Expiring Drug Patents Cheat Sheet
We analyse the patents covering drugs in 134 countries and quickly give you the likely loss-of-exclusivity/generic entry date
Japan: These 43 Drugs Face Patent Expirations and Generic Entry From 2025 - 2026
The content of this page is licensed under a Creative Commons Attribution 4.0 International License.
Generic Entry Dates in Other Countries
Friedman, Yali, "Japan: These 43 Drugs Face Patent Expirations and Generic Entry From 2025 - 2026" DrugPatentWatch.com thinkBiotech, 2025 www.drugpatentwatch.com/p/expiring-drug-patents-generic-entry/.
Media collateral
These estimated drug patent expiration dates and generic entry opportunity dates are calculated from analysis of known patents covering drugs. Many factors can influence early or late generic entry. This information is provided as a rough estimate of generic entry potential and should not be used as an independent source. The methodology is described in this blog post.
When can ZTALMY (ganaxolone) generic drug versions launch?
Generic name: ganaxolone
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 28, 2025
Generic Entry Controlled by: Japan Patent 2,009,524,582
ZTALMY is a drug marketed by Marinus. There are nine patents protecting this drug.
This drug has forty-five patent family members in sixteen countries. There has been litigation on patents covering ZTALMY
See drug price trends for ZTALMY.
The generic ingredient in ZTALMY is ganaxolone. One supplier is listed for this generic product. Additional details are available on the ganaxolone profile page.
When can AXUMIN (fluciclovine f-18) generic drug versions launch?
Generic name: fluciclovine f-18
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 29, 2025
Generic Entry Controlled by: Japan Patent 2,013,177,468
Patent Title: METHOD FOR PRODUCING RADIOACTIVE HALOGEN-LABELED ORGANIC COMPOUND
AXUMIN is a drug marketed by Blue Earth. There are eight patents protecting this drug.
This drug has thirty patent family members in sixteen countries.
The generic ingredient in AXUMIN is fluciclovine f-18. One supplier is listed for this generic product. Additional details are available on the fluciclovine f-18 profile page.
When can AXUMIN (fluciclovine f-18) generic drug versions launch?
Generic name: fluciclovine f-18
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 29, 2025
Generic Entry Controlled by: Japan Patent 5,635,225
AXUMIN is a drug marketed by Blue Earth. There are eight patents protecting this drug.
This drug has thirty patent family members in sixteen countries.
The generic ingredient in AXUMIN is fluciclovine f-18. One supplier is listed for this generic product. Additional details are available on the fluciclovine f-18 profile page.
When can AXUMIN (fluciclovine f-18) generic drug versions launch?
Generic name: fluciclovine f-18
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 29, 2025
Generic Entry Controlled by: Japan Patent 5,684,333
AXUMIN is a drug marketed by Blue Earth. There are eight patents protecting this drug.
This drug has thirty patent family members in sixteen countries.
The generic ingredient in AXUMIN is fluciclovine f-18. One supplier is listed for this generic product. Additional details are available on the fluciclovine f-18 profile page.
When can AXUMIN (fluciclovine f-18) generic drug versions launch?
Generic name: fluciclovine f-18
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 29, 2025
Generic Entry Controlled by: Japan Patent WO2007063824
Patent Title: 放射性ハロゲン標識有機化合物の前駆体化合物
AXUMIN is a drug marketed by Blue Earth. There are eight patents protecting this drug.
This drug has thirty patent family members in sixteen countries.
The generic ingredient in AXUMIN is fluciclovine f-18. One supplier is listed for this generic product. Additional details are available on the fluciclovine f-18 profile page.
When can BUNAVAIL (buprenorphine hydrochloride; naloxone hydrochloride) generic drug versions launch?
Generic name: buprenorphine hydrochloride; naloxone hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 13, 2025
Generic Entry Controlled by: Japan Patent 2,009,519,347

This drug has eighty-three patent family members in twenty-six countries. There has been litigation on patents covering BUNAVAIL
See drug price trends for BUNAVAIL.
The generic ingredient in BUNAVAIL is buprenorphine hydrochloride; naloxone hydrochloride. There are twenty-nine drug master file entries for this API. Twenty-four suppliers are listed for this generic product. Additional details are available on the buprenorphine hydrochloride; naloxone hydrochloride profile page.
When can BUNAVAIL (buprenorphine hydrochloride; naloxone hydrochloride) generic drug versions launch?
Generic name: buprenorphine hydrochloride; naloxone hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 13, 2025
Generic Entry Controlled by: Japan Patent 5,586,151

This drug has eighty-three patent family members in twenty-six countries. There has been litigation on patents covering BUNAVAIL
See drug price trends for BUNAVAIL.
The generic ingredient in BUNAVAIL is buprenorphine hydrochloride; naloxone hydrochloride. There are twenty-nine drug master file entries for this API. Twenty-four suppliers are listed for this generic product. Additional details are available on the buprenorphine hydrochloride; naloxone hydrochloride profile page.
When can KOSELUGO (selumetinib sulfate) generic drug versions launch?
Generic name: selumetinib sulfate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 21, 2025
Generic Entry Controlled by: Japan Patent 2,009,521,487
KOSELUGO is a drug marketed by Astrazeneca. There are eight patents protecting this drug.
This drug has two hundred and one patent family members in forty-five countries. There has been litigation on patents covering KOSELUGO
See drug price trends for KOSELUGO.
The generic ingredient in KOSELUGO is selumetinib sulfate. One supplier is listed for this generic product. Additional details are available on the selumetinib sulfate profile page.
When can KOSELUGO (selumetinib sulfate) generic drug versions launch?
Generic name: selumetinib sulfate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 21, 2025
Generic Entry Controlled by: Japan Patent 5,127,723
KOSELUGO is a drug marketed by Astrazeneca. There are eight patents protecting this drug.
This drug has two hundred and one patent family members in forty-five countries. There has been litigation on patents covering KOSELUGO
See drug price trends for KOSELUGO.
The generic ingredient in KOSELUGO is selumetinib sulfate. One supplier is listed for this generic product. Additional details are available on the selumetinib sulfate profile page.
When can VYKAT XR (diazoxide choline) generic drug versions launch?
Generic name: diazoxide choline
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: January 05, 2026
Generic Entry Controlled by: Japan Patent 2,010,500,960
VYKAT XR is a drug marketed by Soleno Therap. There are six patents protecting this drug.
This drug has seventy-eight patent family members in twenty-two countries.
The generic ingredient in VYKAT XR is diazoxide choline. There are five drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the diazoxide choline profile page.
When can VYKAT XR (diazoxide choline) generic drug versions launch?
Generic name: diazoxide choline
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: January 05, 2026
Generic Entry Controlled by: Japan Patent 5,543,110
VYKAT XR is a drug marketed by Soleno Therap. There are six patents protecting this drug.
This drug has seventy-eight patent family members in twenty-two countries.
The generic ingredient in VYKAT XR is diazoxide choline. There are five drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the diazoxide choline profile page.
When can LEXISCAN (regadenoson) generic drug versions launch?
Generic name: regadenoson
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: February 03, 2026
Generic Entry Controlled by: Japan Patent 2,013,010,791
Patent Title: PROCESS FOR PREPARING A2A-ADENOSINE RECEPTOR AGONIST AND ITS POLYMORPHS
LEXISCAN is a drug marketed by Astellas. There are two patents protecting this drug and one Paragraph IV challenge.
This drug has twenty-eight patent family members in eighteen countries. There has been litigation on patents covering LEXISCAN
See drug price trends for LEXISCAN.
The generic ingredient in LEXISCAN is regadenoson. There are nine drug master file entries for this API. Eighteen suppliers are listed for this generic product. Additional details are available on the regadenoson profile page.
When can RAPIVAB (peramivir) generic drug versions launch?
Generic name: peramivir
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: February 13, 2026
Generic Entry Controlled by: Japan Patent 2,009,538,822
RAPIVAB is a drug marketed by Biocryst. There are two patents protecting this drug.
This drug has forty-three patent family members in fourteen countries.
See drug price trends for RAPIVAB.
The generic ingredient in RAPIVAB is peramivir. There is one drug master file entry for this API. One supplier is listed for this generic product. Additional details are available on the peramivir profile page.
When can RAPIVAB (peramivir) generic drug versions launch?
Generic name: peramivir
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: February 13, 2026
Generic Entry Controlled by: Japan Patent 6,073,202
RAPIVAB is a drug marketed by Biocryst. There are two patents protecting this drug.
This drug has forty-three patent family members in fourteen countries.
See drug price trends for RAPIVAB.
The generic ingredient in RAPIVAB is peramivir. There is one drug master file entry for this API. One supplier is listed for this generic product. Additional details are available on the peramivir profile page.
When can MACRILEN (macimorelin acetate) generic drug versions launch?
Generic name: macimorelin acetate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: February 18, 2026
Generic Entry Controlled by: Japan Patent 4,852,728
MACRILEN is a drug marketed by Novo. There is one patent protecting this drug.
This drug has eleven patent family members in ten countries.
See drug price trends for MACRILEN.
The generic ingredient in MACRILEN is macimorelin acetate. One supplier is listed for this generic product. Additional details are available on the macimorelin acetate profile page.
When can VALCHLOR (mechlorethamine hydrochloride) generic drug versions launch?
Generic name: mechlorethamine hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: March 14, 2026
Generic Entry Controlled by: Japan Patent 5,236,457
VALCHLOR is a drug marketed by Helsinn. There are six patents protecting this drug.
This drug has fifty patent family members in twenty countries.
See drug price trends for VALCHLOR.
The generic ingredient in VALCHLOR is mechlorethamine hydrochloride. There is one drug master file entry for this API. One supplier is listed for this generic product. Additional details are available on the mechlorethamine hydrochloride profile page.
When can TUZISTRA XR (chlorpheniramine polistirex; codeine polistirex) generic drug versions launch?
Generic name: chlorpheniramine polistirex; codeine polistirex
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: March 16, 2026
Generic Entry Controlled by: Japan Patent 2,009,530,298
TUZISTRA XR is a drug marketed by Tris Pharma Inc. There are two patents protecting this drug.
This drug has twenty-one patent family members in fourteen countries. There has been litigation on patents covering TUZISTRA XR
See drug price trends for TUZISTRA XR.
The generic ingredient in TUZISTRA XR is chlorpheniramine polistirex; codeine polistirex. There are twenty-nine drug master file entries for this API. Additional details are available on the chlorpheniramine polistirex; codeine polistirex profile page.
When can TUZISTRA XR (chlorpheniramine polistirex; codeine polistirex) generic drug versions launch?
Generic name: chlorpheniramine polistirex; codeine polistirex
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: March 16, 2026
Generic Entry Controlled by: Japan Patent 5,479,086
TUZISTRA XR is a drug marketed by Tris Pharma Inc. There are two patents protecting this drug.
This drug has twenty-one patent family members in fourteen countries. There has been litigation on patents covering TUZISTRA XR
See drug price trends for TUZISTRA XR.
The generic ingredient in TUZISTRA XR is chlorpheniramine polistirex; codeine polistirex. There are twenty-nine drug master file entries for this API. Additional details are available on the chlorpheniramine polistirex; codeine polistirex profile page.
When can KETEK (telithromycin) generic drug versions launch?
Generic name: telithromycin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: March 23, 2026
Generic Entry Controlled by: Japan Patent 2,007,045,847
Patent Title: INTERMEDIATE FOR PRODUCING ERYTHROMYCIN DERIVATIVES
KETEK is a drug marketed by Sanofi Aventis Us.
This drug has twenty-one patent family members in fourteen countries.
The generic ingredient in KETEK is telithromycin. Additional details are available on the telithromycin profile page.
When can LASTACAFT (alcaftadine) generic drug versions launch?
Generic name: alcaftadine
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: March 31, 2026
Generic Entry Controlled by: Japan Patent 2,009,533,333

This drug has forty-six patent family members in thirty countries. There has been litigation on patents covering LASTACAFT
See drug price trends for LASTACAFT.
The generic ingredient in LASTACAFT is alcaftadine. There are six drug master file entries for this API. Four suppliers are listed for this generic product. Additional details are available on the alcaftadine profile page.
When can RAPIVAB (peramivir) generic drug versions launch?
Generic name: peramivir
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: April 12, 2026
Generic Entry Controlled by: Japan Patent 2,009,533,428
RAPIVAB is a drug marketed by Biocryst. There are two patents protecting this drug.
This drug has forty-three patent family members in fourteen countries.
See drug price trends for RAPIVAB.
The generic ingredient in RAPIVAB is peramivir. There is one drug master file entry for this API. One supplier is listed for this generic product. Additional details are available on the peramivir profile page.
When can APTIOM (eslicarbazepine acetate) generic drug versions launch?
Generic name: eslicarbazepine acetate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: April 21, 2026
Generic Entry Controlled by: Japan Patent 5,295,765

This drug has one hundred patent family members in twenty-six countries. There has been litigation on patents covering APTIOM
See drug price trends for APTIOM.
The generic ingredient in APTIOM is eslicarbazepine acetate. There are twelve drug master file entries for this API. Eight suppliers are listed for this generic product. Additional details are available on the eslicarbazepine acetate profile page.
When can ORENITRAM (treprostinil diolamine) generic drug versions launch?
Generic name: treprostinil diolamine
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: April 27, 2026
Generic Entry Controlled by: Japan Patent 2,009,535,337
ORENITRAM is a drug marketed by United Therap. There are nine patents protecting this drug and two Paragraph IV challenges.
This drug has fifty-nine patent family members in eight countries. There has been litigation on patents covering ORENITRAM
See drug price trends for ORENITRAM.
The generic ingredient in ORENITRAM is treprostinil diolamine. There are nineteen drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the treprostinil diolamine profile page.
When can FARYDAK (panobinostat lactate) generic drug versions launch?
Generic name: panobinostat lactate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 12, 2026
Generic Entry Controlled by: Japan Patent 2,015,164,968
FARYDAK is a drug marketed by Secura. There are two patents protecting this drug.
This drug has sixty-eight patent family members in forty countries. There has been litigation on patents covering FARYDAK
See drug price trends for FARYDAK.
The generic ingredient in FARYDAK is panobinostat lactate. There is one drug master file entry for this API. Additional details are available on the panobinostat lactate profile page.
When can VANTRELA ER (hydrocodone bitartrate) generic drug versions launch?
Generic name: hydrocodone bitartrate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 15, 2026
Generic Entry Controlled by: Japan Patent 2,011,517,654
VANTRELA ER is a drug marketed by Teva Branded Pharm. There are three patents protecting this drug. One tentatively approved generic is ready to enter the market.
This drug has thirty-three patent family members in thirteen countries. There has been litigation on patents covering VANTRELA ER
The generic ingredient in VANTRELA ER is hydrocodone bitartrate. There are twenty-three drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the hydrocodone bitartrate profile page.
When can VANTRELA ER (hydrocodone bitartrate) generic drug versions launch?
Generic name: hydrocodone bitartrate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 15, 2026
Generic Entry Controlled by: Japan Patent 5,357,032
VANTRELA ER is a drug marketed by Teva Branded Pharm. There are three patents protecting this drug. One tentatively approved generic is ready to enter the market.
This drug has thirty-three patent family members in thirteen countries. There has been litigation on patents covering VANTRELA ER
The generic ingredient in VANTRELA ER is hydrocodone bitartrate. There are twenty-three drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the hydrocodone bitartrate profile page.
When can TRINTELLIX (vortioxetine hydrobromide) generic drug versions launch?
Generic name: vortioxetine hydrobromide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 16, 2026
Generic Entry Controlled by: Japan Patent 2,009,541,216

This drug has two hundred and seventeen patent family members in forty-two countries. There has been litigation on patents covering TRINTELLIX
See drug price trends for TRINTELLIX.
The generic ingredient in TRINTELLIX is vortioxetine hydrobromide. There are sixteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the vortioxetine hydrobromide profile page.
When can TRINTELLIX (vortioxetine hydrobromide) generic drug versions launch?
Generic name: vortioxetine hydrobromide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 16, 2026
Generic Entry Controlled by: Japan Patent 2,015,157,872
Patent Title: 認識機能障害(cognitiveimpairment)を治療するための、組み合わされたセロトニン再取り込み、5−HT3および5−HT1A活性を有する化合物としての1−[2−(2,4−ジメチルフェニルスルファニル)−フェニル]ピペラジン (1-[2-(2,4-DIMETHYLPHENYLSULFANYL)-PHENYL]PIPERAZINE AS COMPOUND WITH COMBINED SEROTONIN REUPTAKE, 5-HT3 AND 5-HT1A ACTIVITY FOR TREATMENT OF COGNITIVE IMPAIRMENT)

This drug has two hundred and seventeen patent family members in forty-two countries. There has been litigation on patents covering TRINTELLIX
See drug price trends for TRINTELLIX.
The generic ingredient in TRINTELLIX is vortioxetine hydrobromide. There are sixteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the vortioxetine hydrobromide profile page.
When can TRINTELLIX (vortioxetine hydrobromide) generic drug versions launch?
Generic name: vortioxetine hydrobromide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 16, 2026
Generic Entry Controlled by: Japan Patent 2,020,152,732
Patent Title: 認識機能障害(cognitive impairment)を治療するための、組み合わされたセロトニン再取り込み、5−HT3および5−HT1A活性を有する化合物としての1−[2−(2,4−ジメチルフェニルスルファニル)−フェニル]ピペラジン (1-[2[(2,4-DIMETHYLPHENYLSULFANYL)-PHENYL]PIPERAZINE AS COMPOUND WITH COMBINED SEROTONIN REUPTAKE 5-HT3 AND 5-HT1A ACTIVITY FOR TREATMENT OF COGNITIVE IMPAIRMENT)

This drug has two hundred and seventeen patent family members in forty-two countries. There has been litigation on patents covering TRINTELLIX
See drug price trends for TRINTELLIX.
The generic ingredient in TRINTELLIX is vortioxetine hydrobromide. There are sixteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the vortioxetine hydrobromide profile page.
When can TRINTELLIX (vortioxetine hydrobromide) generic drug versions launch?
Generic name: vortioxetine hydrobromide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 16, 2026
Generic Entry Controlled by: Japan Patent 2,025,021,476

This drug has two hundred and seventeen patent family members in forty-two countries. There has been litigation on patents covering TRINTELLIX
See drug price trends for TRINTELLIX.
The generic ingredient in TRINTELLIX is vortioxetine hydrobromide. There are sixteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the vortioxetine hydrobromide profile page.
When can TRINTELLIX (vortioxetine hydrobromide) generic drug versions launch?
Generic name: vortioxetine hydrobromide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 16, 2026
Generic Entry Controlled by: Japan Patent 5,763,609

This drug has two hundred and seventeen patent family members in forty-two countries. There has been litigation on patents covering TRINTELLIX
See drug price trends for TRINTELLIX.
The generic ingredient in TRINTELLIX is vortioxetine hydrobromide. There are sixteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the vortioxetine hydrobromide profile page.
When can TRINTELLIX (vortioxetine hydrobromide) generic drug versions launch?
Generic name: vortioxetine hydrobromide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 16, 2026
Generic Entry Controlled by: Japan Patent 6,101,742

This drug has two hundred and seventeen patent family members in forty-two countries. There has been litigation on patents covering TRINTELLIX
See drug price trends for TRINTELLIX.
The generic ingredient in TRINTELLIX is vortioxetine hydrobromide. There are sixteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the vortioxetine hydrobromide profile page.
When can TRINTELLIX (vortioxetine hydrobromide) generic drug versions launch?
Generic name: vortioxetine hydrobromide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 16, 2026
Generic Entry Controlled by: Japan Patent 6,724,082

This drug has two hundred and seventeen patent family members in forty-two countries. There has been litigation on patents covering TRINTELLIX
See drug price trends for TRINTELLIX.
The generic ingredient in TRINTELLIX is vortioxetine hydrobromide. There are sixteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the vortioxetine hydrobromide profile page.
When can EMBEDA (morphine sulfate; naltrexone hydrochloride) generic drug versions launch?
Generic name: morphine sulfate; naltrexone hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 19, 2026
Generic Entry Controlled by: Japan Patent 5,566,102
EMBEDA is a drug marketed by Alpharma Pharms. There are nine patents protecting this drug and four Paragraph IV challenges.
This drug has seventy-four patent family members in twenty-three countries.
See drug price trends for EMBEDA.
The generic ingredient in EMBEDA is morphine sulfate; naltrexone hydrochloride. There are twenty-three drug master file entries for this API. Additional details are available on the morphine sulfate; naltrexone hydrochloride profile page.
When can TEKTURNA HCT (aliskiren hemifumarate; hydrochlorothiazide) generic drug versions launch?
Generic name: aliskiren hemifumarate; hydrochlorothiazide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 23, 2026
Generic Entry Controlled by: Japan Patent 2,009,541,239

This drug has thirty-two patent family members in twenty-five countries. There has been litigation on patents covering TEKTURNA HCT
See drug price trends for TEKTURNA HCT.
The generic ingredient in TEKTURNA HCT is aliskiren hemifumarate; hydrochlorothiazide. There are four drug master file entries for this API. Additional details are available on the aliskiren hemifumarate; hydrochlorothiazide profile page.
When can TEKTURNA HCT (aliskiren hemifumarate; hydrochlorothiazide) generic drug versions launch?
Generic name: aliskiren hemifumarate; hydrochlorothiazide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 23, 2026
Generic Entry Controlled by: Japan Patent 5,362,556

This drug has thirty-two patent family members in twenty-five countries. There has been litigation on patents covering TEKTURNA HCT
See drug price trends for TEKTURNA HCT.
The generic ingredient in TEKTURNA HCT is aliskiren hemifumarate; hydrochlorothiazide. There are four drug master file entries for this API. Additional details are available on the aliskiren hemifumarate; hydrochlorothiazide profile page.
When can VAFSEO (vadadustat) generic drug versions launch?
Generic name: vadadustat
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 26, 2026
Generic Entry Controlled by: Japan Patent 5,113,838
VAFSEO is a drug marketed by Akebia. There are thirteen patents protecting this drug.
This drug has two hundred and fifty-seven patent family members in forty-eight countries. There has been litigation on patents covering VAFSEO
The generic ingredient in VAFSEO is vadadustat. One supplier is listed for this generic product. Additional details are available on the vadadustat profile page.
When can BYDUREON (exenatide synthetic) generic drug versions launch?
Generic name: exenatide synthetic
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 2,016,172,758

This drug has three hundred and forty-six patent family members in forty-eight countries. There has been litigation on patents covering BYDUREON
See drug price trends for BYDUREON.
The generic ingredient in BYDUREON is exenatide synthetic. There are seven drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the exenatide synthetic profile page.
When can BYDUREON (exenatide synthetic) generic drug versions launch?
Generic name: exenatide synthetic
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 2,017,222,681

This drug has three hundred and forty-six patent family members in forty-eight countries. There has been litigation on patents covering BYDUREON
See drug price trends for BYDUREON.
The generic ingredient in BYDUREON is exenatide synthetic. There are seven drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the exenatide synthetic profile page.
When can BYDUREON (exenatide synthetic) generic drug versions launch?
Generic name: exenatide synthetic
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 5,313,889

This drug has three hundred and forty-six patent family members in forty-eight countries. There has been litigation on patents covering BYDUREON
See drug price trends for BYDUREON.
The generic ingredient in BYDUREON is exenatide synthetic. There are seven drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the exenatide synthetic profile page.
When can BYDUREON (exenatide synthetic) generic drug versions launch?
Generic name: exenatide synthetic
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 5,666,651

This drug has three hundred and forty-six patent family members in forty-eight countries. There has been litigation on patents covering BYDUREON
See drug price trends for BYDUREON.
The generic ingredient in BYDUREON is exenatide synthetic. There are seven drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the exenatide synthetic profile page.
When can BYDUREON (exenatide synthetic) generic drug versions launch?
Generic name: exenatide synthetic
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 5,937,187

This drug has three hundred and forty-six patent family members in forty-eight countries. There has been litigation on patents covering BYDUREON
See drug price trends for BYDUREON.
The generic ingredient in BYDUREON is exenatide synthetic. There are seven drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the exenatide synthetic profile page.
When can FARXIGA (dapagliflozin) generic drug versions launch?
Generic name: dapagliflozin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 2,016,172,758

This drug has four hundred and forty-nine patent family members in fifty-two countries. There has been litigation on patents covering FARXIGA
See drug price trends for FARXIGA.
The generic ingredient in FARXIGA is dapagliflozin. There are twenty-six drug master file entries for this API. Five suppliers are listed for this generic product. Additional details are available on the dapagliflozin profile page.
When can FARXIGA (dapagliflozin) generic drug versions launch?
Generic name: dapagliflozin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 2,017,222,681

This drug has four hundred and forty-nine patent family members in fifty-two countries. There has been litigation on patents covering FARXIGA
See drug price trends for FARXIGA.
The generic ingredient in FARXIGA is dapagliflozin. There are twenty-six drug master file entries for this API. Five suppliers are listed for this generic product. Additional details are available on the dapagliflozin profile page.
When can FARXIGA (dapagliflozin) generic drug versions launch?
Generic name: dapagliflozin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 5,313,889

This drug has four hundred and forty-nine patent family members in fifty-two countries. There has been litigation on patents covering FARXIGA
See drug price trends for FARXIGA.
The generic ingredient in FARXIGA is dapagliflozin. There are twenty-six drug master file entries for this API. Five suppliers are listed for this generic product. Additional details are available on the dapagliflozin profile page.
When can FARXIGA (dapagliflozin) generic drug versions launch?
Generic name: dapagliflozin
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 5,666,651

This drug has four hundred and forty-nine patent family members in fifty-two countries. There has been litigation on patents covering FARXIGA
See drug price trends for FARXIGA.
The generic ingredient in FARXIGA is dapagliflozin. There are twenty-six drug master file entries for this API. Five suppliers are listed for this generic product. Additional details are available on the dapagliflozin profile page.
When can QTERN (dapagliflozin; saxagliptin hydrochloride) generic drug versions launch?
Generic name: dapagliflozin; saxagliptin hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 2,016,172,758

This drug has three hundred and thirteen patent family members in forty-eight countries. There has been litigation on patents covering QTERN
See drug price trends for QTERN.
The generic ingredient in QTERN is dapagliflozin; saxagliptin hydrochloride. There are twenty-six drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the dapagliflozin; saxagliptin hydrochloride profile page.
When can QTERN (dapagliflozin; saxagliptin hydrochloride) generic drug versions launch?
Generic name: dapagliflozin; saxagliptin hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 2,017,222,681

This drug has three hundred and thirteen patent family members in forty-eight countries. There has been litigation on patents covering QTERN
See drug price trends for QTERN.
The generic ingredient in QTERN is dapagliflozin; saxagliptin hydrochloride. There are twenty-six drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the dapagliflozin; saxagliptin hydrochloride profile page.
When can QTERN (dapagliflozin; saxagliptin hydrochloride) generic drug versions launch?
Generic name: dapagliflozin; saxagliptin hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 5,313,889

This drug has three hundred and thirteen patent family members in forty-eight countries. There has been litigation on patents covering QTERN
See drug price trends for QTERN.
The generic ingredient in QTERN is dapagliflozin; saxagliptin hydrochloride. There are twenty-six drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the dapagliflozin; saxagliptin hydrochloride profile page.
When can QTERN (dapagliflozin; saxagliptin hydrochloride) generic drug versions launch?
Generic name: dapagliflozin; saxagliptin hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Japan Patent 5,666,651

This drug has three hundred and thirteen patent family members in forty-eight countries. There has been litigation on patents covering QTERN
See drug price trends for QTERN.
The generic ingredient in QTERN is dapagliflozin; saxagliptin hydrochloride. There are twenty-six drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the dapagliflozin; saxagliptin hydrochloride profile page.
When can EPIDUO (adapalene; benzoyl peroxide) generic drug versions launch?
Generic name: adapalene; benzoyl peroxide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 13, 2026
Generic Entry Controlled by: Japan Patent 2,014,040,481
Patent Title: COMBINATIONS OF ADAPALENE AND BENZOYL PEROXIDE FOR TREATING ACNE LESIONS

This drug has sixty-eight patent family members in twenty-five countries. There has been litigation on patents covering EPIDUO
See drug price trends for EPIDUO.
The generic ingredient in EPIDUO is adapalene; benzoyl peroxide. There are twelve drug master file entries for this API. Thirteen suppliers are listed for this generic product. Additional details are available on the adapalene; benzoyl peroxide profile page.
When can EPIDUO FORTE (adapalene; benzoyl peroxide) generic drug versions launch?
Generic name: adapalene; benzoyl peroxide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 13, 2026
Generic Entry Controlled by: Japan Patent 2,014,040,481
Patent Title: COMBINATIONS OF ADAPALENE AND BENZOYL PEROXIDE FOR TREATING ACNE LESIONS

This drug has sixty-eight patent family members in twenty-five countries. There has been litigation on patents covering EPIDUO FORTE
See drug price trends for EPIDUO FORTE.
The generic ingredient in EPIDUO FORTE is adapalene; benzoyl peroxide. There are twelve drug master file entries for this API. Thirteen suppliers are listed for this generic product. Additional details are available on the adapalene; benzoyl peroxide profile page.
When can RASUVO (methotrexate) generic drug versions launch?
Generic name: methotrexate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 21, 2026
Generic Entry Controlled by: Japan Patent 2,009,544,636

This drug has twenty-nine patent family members in twenty-one countries. There has been litigation on patents covering RASUVO
See drug price trends for RASUVO.
The generic ingredient in RASUVO is methotrexate. There are twenty drug master file entries for this API. Four suppliers are listed for this generic product. Additional details are available on the methotrexate profile page.
When can RASUVO (methotrexate) generic drug versions launch?
Generic name: methotrexate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 21, 2026
Generic Entry Controlled by: Japan Patent 5,683,810

This drug has twenty-nine patent family members in twenty-one countries. There has been litigation on patents covering RASUVO
See drug price trends for RASUVO.
The generic ingredient in RASUVO is methotrexate. There are twenty drug master file entries for this API. Four suppliers are listed for this generic product. Additional details are available on the methotrexate profile page.
When can EPSOLAY (benzoyl peroxide) generic drug versions launch?
Generic name: benzoyl peroxide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: August 02, 2026
Generic Entry Controlled by: Japan Patent 2,009,503,056

This drug has fifty-one patent family members in fifteen countries. There has been litigation on patents covering EPSOLAY
See drug price trends for EPSOLAY.
The generic ingredient in EPSOLAY is benzoyl peroxide. There are seventeen drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the benzoyl peroxide profile page.
When can SALONPAS (menthol; methyl salicylate) generic drug versions launch?
Generic name: menthol; methyl salicylate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: August 04, 2026
Generic Entry Controlled by: Japan Patent 5,230,423
SALONPAS is a drug marketed by Hisamitsu Pharm Co. There are two patents protecting this drug.
This drug has twenty patent family members in sixteen countries.
The generic ingredient in SALONPAS is menthol; methyl salicylate. There are eighteen drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the menthol; methyl salicylate profile page.
When can CREON (pancrelipase (amylase;lipase;protease)) generic drug versions launch?
Generic name: pancrelipase (amylase;lipase;protease)
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: August 15, 2026
Generic Entry Controlled by: Japan Patent 2,009,504,709
CREON is a drug marketed by
This drug has twenty patent family members in sixteen countries.
See drug price trends for CREON.
The generic ingredient in CREON is pancrelipase (amylase;lipase;protease). There are six drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the pancrelipase (amylase;lipase;protease) profile page.
When can CREON (pancrelipase (amylase;lipase;protease)) generic drug versions launch?
Generic name: pancrelipase (amylase;lipase;protease)
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: August 15, 2026
Generic Entry Controlled by: Japan Patent 5,284,092
CREON is a drug marketed by
This drug has twenty patent family members in sixteen countries.
See drug price trends for CREON.
The generic ingredient in CREON is pancrelipase (amylase;lipase;protease). There are six drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the pancrelipase (amylase;lipase;protease) profile page.
When can CREON (pancrelipase (amylase;lipase;protease)) generic drug versions launch?
Generic name: pancrelipase (amylase;lipase;protease)
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: August 15, 2026
Generic Entry Controlled by: Japan Patent 5,452,918
CREON is a drug marketed by
This drug has twenty patent family members in sixteen countries.
See drug price trends for CREON.
The generic ingredient in CREON is pancrelipase (amylase;lipase;protease). There are six drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the pancrelipase (amylase;lipase;protease) profile page.
When can BRILINTA (ticagrelor) generic drug versions launch?
Generic name: ticagrelor
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: August 21, 2026
Generic Entry Controlled by: Japan Patent 2,014,040,448

This drug has one hundred and forty-seven patent family members in forty-four countries. There has been litigation on patents covering BRILINTA
See drug price trends for BRILINTA.
The generic ingredient in BRILINTA is ticagrelor. There are twenty-one drug master file entries for this API. Twenty suppliers are listed for this generic product. Additional details are available on the ticagrelor profile page.
When can JYNARQUE (tolvaptan) generic drug versions launch?
Generic name: tolvaptan
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: September 04, 2026
Generic Entry Controlled by: Japan Patent 5,893,083
JYNARQUE is a drug marketed by Otsuka. There are two patents protecting this drug.
This drug has eighty-six patent family members in twenty-four countries. There has been litigation on patents covering JYNARQUE
See drug price trends for JYNARQUE.
The generic ingredient in JYNARQUE is tolvaptan. There are eight drug master file entries for this API. Seven suppliers are listed for this generic product. Additional details are available on the tolvaptan profile page.
When can SAMSCA (tolvaptan) generic drug versions launch?
Generic name: tolvaptan
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: September 04, 2026
Generic Entry Controlled by: Japan Patent 5,893,083
SAMSCA is a drug marketed by Otsuka. There are two patents protecting this drug and two Paragraph IV challenges.
This drug has eighty-six patent family members in twenty-four countries. There has been litigation on patents covering SAMSCA
See drug price trends for SAMSCA.
The generic ingredient in SAMSCA is tolvaptan. There are eight drug master file entries for this API. Seven suppliers are listed for this generic product. Additional details are available on the tolvaptan profile page.
When can ESBRIET (pirfenidone) generic drug versions launch?
Generic name: pirfenidone
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: Japan Patent 2,009,509,962
ESBRIET is a drug marketed by Genentech Inc. There are twenty patents protecting this drug and two Paragraph IV challenges. One tentatively approved generic is ready to enter the market.
This drug has two hundred and sixty-six patent family members in forty-six countries. There has been litigation on patents covering ESBRIET
See drug price trends for ESBRIET.
The generic ingredient in ESBRIET is pirfenidone. There are twenty-three drug master file entries for this API. Twenty-five suppliers are listed for this generic product. Additional details are available on the pirfenidone profile page.
When can ESBRIET (pirfenidone) generic drug versions launch?
Generic name: pirfenidone
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: Japan Patent 5,715,101
ESBRIET is a drug marketed by Genentech Inc. There are twenty patents protecting this drug and two Paragraph IV challenges. One tentatively approved generic is ready to enter the market.
This drug has two hundred and sixty-six patent family members in forty-six countries. There has been litigation on patents covering ESBRIET
See drug price trends for ESBRIET.
The generic ingredient in ESBRIET is pirfenidone. There are twenty-three drug master file entries for this API. Twenty-five suppliers are listed for this generic product. Additional details are available on the pirfenidone profile page.
When can ESBRIET (pirfenidone) generic drug versions launch?
Generic name: pirfenidone
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: Japan Patent 5,837,732
ESBRIET is a drug marketed by Genentech Inc. There are twenty patents protecting this drug and two Paragraph IV challenges. One tentatively approved generic is ready to enter the market.
This drug has two hundred and sixty-six patent family members in forty-six countries. There has been litigation on patents covering ESBRIET
See drug price trends for ESBRIET.
The generic ingredient in ESBRIET is pirfenidone. There are twenty-three drug master file entries for this API. Twenty-five suppliers are listed for this generic product. Additional details are available on the pirfenidone profile page.
When can ZUNVEYL (benzgalantamine gluconate) generic drug versions launch?
Generic name: benzgalantamine gluconate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: Japan Patent 2,009,508,903
ZUNVEYL is a drug marketed by Alpha Cognition. There are three patents protecting this drug.
This drug has twenty-six patent family members in seventeen countries. There has been litigation on patents covering ZUNVEYL
The generic ingredient in ZUNVEYL is benzgalantamine gluconate. One supplier is listed for this generic product. Additional details are available on the benzgalantamine gluconate profile page.
When can ENTRESTO SPRINKLE (sacubitril; valsartan) generic drug versions launch?
Generic name: sacubitril; valsartan
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 08, 2026
Generic Entry Controlled by: Japan Patent 2,008,542,447

This drug has one hundred and thirty-four patent family members in forty-one countries. There has been litigation on patents covering ENTRESTO SPRINKLE
See drug price trends for ENTRESTO SPRINKLE.
The generic ingredient in ENTRESTO SPRINKLE is sacubitril; valsartan. There are eleven drug master file entries for this API. Twenty-one suppliers are listed for this generic product. Additional details are available on the sacubitril; valsartan profile page.
When can KORSUVA (difelikefalin acetate) generic drug versions launch?
Generic name: difelikefalin acetate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 10, 2026
Generic Entry Controlled by: Japan Patent 2,013,241,447
KORSUVA is a drug marketed by Vifor Intl. There are twelve patents protecting this drug.
This drug has fifty-three patent family members in twenty-seven countries. There has been litigation on patents covering KORSUVA
See drug price trends for KORSUVA.
The generic ingredient in KORSUVA is difelikefalin acetate. One supplier is listed for this generic product. Additional details are available on the difelikefalin acetate profile page.
When can KORSUVA (difelikefalin acetate) generic drug versions launch?
Generic name: difelikefalin acetate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 10, 2026
Generic Entry Controlled by: Japan Patent 5,244,810
KORSUVA is a drug marketed by Vifor Intl. There are twelve patents protecting this drug.
This drug has fifty-three patent family members in twenty-seven countries. There has been litigation on patents covering KORSUVA
See drug price trends for KORSUVA.
The generic ingredient in KORSUVA is difelikefalin acetate. One supplier is listed for this generic product. Additional details are available on the difelikefalin acetate profile page.
When can KORSUVA (difelikefalin acetate) generic drug versions launch?
Generic name: difelikefalin acetate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 10, 2026
Generic Entry Controlled by: Japan Patent 5,364,583
KORSUVA is a drug marketed by Vifor Intl. There are twelve patents protecting this drug.
This drug has fifty-three patent family members in twenty-seven countries. There has been litigation on patents covering KORSUVA
See drug price trends for KORSUVA.
The generic ingredient in KORSUVA is difelikefalin acetate. One supplier is listed for this generic product. Additional details are available on the difelikefalin acetate profile page.
When can KORSUVA (difelikefalin acetate) generic drug versions launch?
Generic name: difelikefalin acetate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 10, 2026
Generic Entry Controlled by: Japan Patent 6,220,180
KORSUVA is a drug marketed by Vifor Intl. There are twelve patents protecting this drug.
This drug has fifty-three patent family members in twenty-seven countries. There has been litigation on patents covering KORSUVA
See drug price trends for KORSUVA.
The generic ingredient in KORSUVA is difelikefalin acetate. One supplier is listed for this generic product. Additional details are available on the difelikefalin acetate profile page.
When can ZTALMY (ganaxolone) generic drug versions launch?
Generic name: ganaxolone
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 28, 2026
Generic Entry Controlled by: Japan Patent 2,013,064,008
Patent Title: GANAXOLONE FORMULATION AND METHOD FOR PREPARING THE SAME AND USE THEREOF
ZTALMY is a drug marketed by Marinus. There are nine patents protecting this drug.
This drug has forty-five patent family members in sixteen countries. There has been litigation on patents covering ZTALMY
See drug price trends for ZTALMY.
The generic ingredient in ZTALMY is ganaxolone. One supplier is listed for this generic product. Additional details are available on the ganaxolone profile page.
When can ZTALMY (ganaxolone) generic drug versions launch?
Generic name: ganaxolone
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 28, 2026
Generic Entry Controlled by: Japan Patent 5,334,588
ZTALMY is a drug marketed by Marinus. There are nine patents protecting this drug.
This drug has forty-five patent family members in sixteen countries. There has been litigation on patents covering ZTALMY
See drug price trends for ZTALMY.
The generic ingredient in ZTALMY is ganaxolone. One supplier is listed for this generic product. Additional details are available on the ganaxolone profile page.
When can ZTALMY (ganaxolone) generic drug versions launch?
Generic name: ganaxolone
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 28, 2026
Generic Entry Controlled by: Japan Patent 5,748,732
ZTALMY is a drug marketed by Marinus. There are nine patents protecting this drug.
This drug has forty-five patent family members in sixteen countries. There has been litigation on patents covering ZTALMY
See drug price trends for ZTALMY.
The generic ingredient in ZTALMY is ganaxolone. One supplier is listed for this generic product. Additional details are available on the ganaxolone profile page.
When can BELSOMRA (suvorexant) generic drug versions launch?
Generic name: suvorexant
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 01, 2026
Generic Entry Controlled by: Japan Patent 2,010,511,621

This drug has seventy-five patent family members in thirty-six countries.
See drug price trends for BELSOMRA.
The generic ingredient in BELSOMRA is suvorexant. One supplier is listed for this generic product. Additional details are available on the suvorexant profile page.
When can BELSOMRA (suvorexant) generic drug versions launch?
Generic name: suvorexant
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 01, 2026
Generic Entry Controlled by: Japan Patent 5,335,758

This drug has seventy-five patent family members in thirty-six countries.
See drug price trends for BELSOMRA.
The generic ingredient in BELSOMRA is suvorexant. One supplier is listed for this generic product. Additional details are available on the suvorexant profile page.
When can BELSOMRA (suvorexant) generic drug versions launch?
Generic name: suvorexant
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 01, 2026
Generic Entry Controlled by: Japan Patent 5,767,803

This drug has seventy-five patent family members in thirty-six countries.
See drug price trends for BELSOMRA.
The generic ingredient in BELSOMRA is suvorexant. One supplier is listed for this generic product. Additional details are available on the suvorexant profile page.
When can XALKORI (crizotinib) generic drug versions launch?
Generic name: crizotinib
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 04, 2026
Generic Entry Controlled by: Japan Patent 2,007,153,893
XALKORI is a drug marketed by Pf Prism Cv. There are five patents protecting this drug.
This drug has one hundred and fifty-two patent family members in forty-eight countries.
See drug price trends for XALKORI.
The generic ingredient in XALKORI is crizotinib. One supplier is listed for this generic product. Additional details are available on the crizotinib profile page.
When can XALKORI (crizotinib) generic drug versions launch?
Generic name: crizotinib
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 04, 2026
Generic Entry Controlled by: Japan Patent 4,663,619
XALKORI is a drug marketed by Pf Prism Cv. There are five patents protecting this drug.
This drug has one hundred and fifty-two patent family members in forty-eight countries.
See drug price trends for XALKORI.
The generic ingredient in XALKORI is crizotinib. One supplier is listed for this generic product. Additional details are available on the crizotinib profile page.
When can ZUBSOLV (buprenorphine hydrochloride; naloxone hydrochloride) generic drug versions launch?
Generic name: buprenorphine hydrochloride; naloxone hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 04, 2026
Generic Entry Controlled by: Japan Patent 2,010,511,683

This drug has sixty-two patent family members in thirty-two countries. There has been litigation on patents covering ZUBSOLV
See drug price trends for ZUBSOLV.
The generic ingredient in ZUBSOLV is buprenorphine hydrochloride; naloxone hydrochloride. There are twenty-nine drug master file entries for this API. Twenty-four suppliers are listed for this generic product. Additional details are available on the buprenorphine hydrochloride; naloxone hydrochloride profile page.
When can LETAIRIS (ambrisentan) generic drug versions launch?
Generic name: ambrisentan
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 12, 2026
Generic Entry Controlled by: Japan Patent 2,010,512,414
LETAIRIS is a drug marketed by Gilead. There are three patents protecting this drug and one Paragraph IV challenge.
This drug has fifty-one patent family members in twenty-six countries. There has been litigation on patents covering LETAIRIS
See drug price trends for LETAIRIS.
The generic ingredient in LETAIRIS is ambrisentan. There are nine drug master file entries for this API. Twelve suppliers are listed for this generic product. Additional details are available on the ambrisentan profile page.
When can PICATO (ingenol mebutate) generic drug versions launch?
Generic name: ingenol mebutate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 18, 2026
Generic Entry Controlled by: Japan Patent 2,009,519,314

This drug has thirty-five patent family members in twenty-one countries. There has been litigation on patents covering PICATO
See drug price trends for PICATO.
The generic ingredient in PICATO is ingenol mebutate. There are three drug master file entries for this API. Additional details are available on the ingenol mebutate profile page.
When can PICATO (ingenol mebutate) generic drug versions launch?
Generic name: ingenol mebutate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 18, 2026
Generic Entry Controlled by: Japan Patent 2,013,049,715
Patent Title: THERAPEUTIC COMPOSITION

This drug has thirty-five patent family members in twenty-one countries. There has been litigation on patents covering PICATO
See drug price trends for PICATO.
The generic ingredient in PICATO is ingenol mebutate. There are three drug master file entries for this API. Additional details are available on the ingenol mebutate profile page.
When can PICATO (ingenol mebutate) generic drug versions launch?
Generic name: