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Last Updated: December 17, 2025

World Intellectual Property Organization (WIPO): These 30 Drugs Face Patent Expirations and Generic Entry in 2025 - 2026

DrugPatentWatch® Estimated Loss of Exclusivity Dates in World Intellectual Property Organization (WIPO)

Generic Entry Dates in Other Countries

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.

Summary: World Intellectual Property Organization (WIPO): These 30 Drugs Face Patent Expirations and Generic Entry in 2025 - 2026

Tradename Ingredient Estimated Entry Opportunity Date
FARXIGA dapagliflozin 2026-06-28
QTERN dapagliflozin; saxagliptin hydrochloride 2026-06-28
ESBRIET pirfenidone 2026-09-22
>Tradename >Ingredient >Estimated Entry Opportunity Date

Details: World Intellectual Property Organization (WIPO): These 30 Drugs Face Patent Expirations and Generic Entry in 2025 - 2026

When can FARXIGA (dapagliflozin) generic drug versions launch?

Generic name: dapagliflozin
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: June 28, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,008,002,824

Drug Price Trends for FARXIGA
FARXIGA is a drug marketed by Astrazeneca Ab. There are nineteen patents protecting this drug and one Paragraph IV challenge. Sixteen tentatively approved generics are ready to enter the market.

This drug has four hundred and fifty 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 Patent Expiration / Generic Entry Opportunity Date: June 28, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,008,002,824

Drug Price Trends for QTERN
QTERN is a drug marketed by Astrazeneca Ab. There are eight patents protecting this drug and one Paragraph IV challenge.

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 ESBRIET (pirfenidone) generic drug versions launch?

Generic name: pirfenidone
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: September 22, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,038,315

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-four suppliers are listed for this generic product. Additional details are available on the pirfenidone profile page.

When can OLYSIO (simeprevir sodium) generic drug versions launch?

Generic name: simeprevir sodium
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: July 28, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,014,926

OLYSIO is a drug marketed by Janssen Prods. There are nine patents protecting this drug.

This drug has one hundred and forty patent family members in forty-three countries.

See drug price trends for OLYSIO.

The generic ingredient in OLYSIO is simeprevir sodium. There is one drug master file entry for this API. Additional details are available on the simeprevir sodium profile page.

When can XALKORI (crizotinib) generic drug versions launch?

Generic name: crizotinib
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: November 23, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,066,185

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 PICATO (ingenol mebutate) generic drug versions launch?

Generic name: ingenol mebutate
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: December 18, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,068,963

Drug Price Trends for PICATO
PICATO is a drug marketed by Leo Labs. There are twelve patents protecting this drug and one Paragraph IV challenge. One tentatively approved generic is ready to enter the market.

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 ZUBSOLV (buprenorphine hydrochloride; naloxone hydrochloride) generic drug versions launch?

Generic name: buprenorphine hydrochloride; naloxone hydrochloride
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: December 04, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,008,068,471

Drug Price Trends for ZUBSOLV
ZUBSOLV is a drug marketed by Orexo Us Inc. There are ten patents protecting this drug and four Paragraph IV challenges. Two tentatively approved generics are ready to enter the market.

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 BYDUREON (exenatide synthetic) generic drug versions launch?

Generic name: exenatide synthetic
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: June 28, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,008,002,824

Drug Price Trends for BYDUREON
BYDUREON is a drug marketed by Astrazeneca Ab. There are eleven patents protecting this drug.

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 AMYVID (florbetapir f-18) generic drug versions launch?

Generic name: florbetapir f-18
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: March 30, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,126,733

AMYVID is a drug marketed by Avid Radiopharms Inc. There are two patents protecting this drug.

This drug has fifty-one patent family members in thirty-three countries. There has been litigation on patents covering AMYVID

The generic ingredient in AMYVID is florbetapir f-18. One supplier is listed for this generic product. Additional details are available on the florbetapir f-18 profile page.

When can RASUVO (methotrexate) generic drug versions launch?

Generic name: methotrexate
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: July 21, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,008,009,476

Drug Price Trends for RASUVO
RASUVO is a drug marketed by Medexus. There is one patent protecting this drug.

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 TRINTELLIX (vortioxetine hydrobromide) generic drug versions launch?

Generic name: vortioxetine hydrobromide
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: June 16, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,144,005

Drug Price Trends for TRINTELLIX
TRINTELLIX is a drug marketed by Takeda Pharms Usa. There are ten patents protecting this drug and one Paragraph IV challenge. Two tentatively approved generics are ready to enter the market.

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 ORENITRAM (treprostinil diolamine) generic drug versions launch?

Generic name: treprostinil diolamine
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: April 27, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,127,216

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 SALONPAS (menthol; methyl salicylate) generic drug versions launch?

Generic name: menthol; methyl salicylate
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: August 04, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,008,016,077

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 KORSUVA (difelikefalin acetate) generic drug versions launch?

Generic name: difelikefalin acetate
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: November 10, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,008,057,608

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 KOSELUGO (selumetinib sulfate) generic drug versions launch?

Generic name: selumetinib sulfate
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: December 12, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,076,245

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 CREON (pancrelipase (amylase;lipase;protease)) generic drug versions launch?

Generic name: pancrelipase (amylase;lipase;protease)
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: August 15, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,020,259

CREON is a drug marketed by

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. 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 Patent Expiration / Generic Entry Opportunity Date: August 15, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,020,260

CREON is a drug marketed by

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. Additional details are available on the pancrelipase (amylase;lipase;protease) profile page.

When can TRADJENTA (linagliptin) generic drug versions launch?

Generic name: linagliptin
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: May 04, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,128,724

Drug Price Trends for TRADJENTA
TRADJENTA is a drug marketed by Boehringer Ingelheim. There are eleven patents protecting this drug and one Paragraph IV challenge. Three tentatively approved generics are ready to enter the market.

This drug has four hundred and eighty-six patent family members in forty-five countries. There has been litigation on patents covering TRADJENTA

See drug price trends for TRADJENTA.

The generic ingredient in TRADJENTA is linagliptin. There are nineteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the linagliptin profile page.

When can CAMCEVI KIT (leuprolide mesylate) generic drug versions launch?

Generic name: leuprolide mesylate
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: January 18, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,084,460

CAMCEVI KIT is a drug marketed by Accord. There are five patents protecting this drug.

This drug has thirty-nine patent family members in nineteen countries.

The generic ingredient in CAMCEVI KIT is leuprolide mesylate. There are twenty-two drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the leuprolide mesylate profile page.

When can LASTACAFT (alcaftadine) generic drug versions launch?

Generic name: alcaftadine
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: March 31, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,117,971

Drug Price Trends for LASTACAFT
LASTACAFT is a drug marketed by Abbvie. There are two patents protecting this drug and one Paragraph IV challenge.

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 ZTALMY (ganaxolone) generic drug versions launch?

Generic name: ganaxolone
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: November 28, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,062,266

ZTALMY is a drug marketed by Marinus. There are eleven patents protecting this drug.

This drug has forty-eight 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 RAPIVAB (peramivir) generic drug versions launch?

Generic name: peramivir
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: February 13, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,095,218

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 Patent Expiration / Generic Entry Opportunity Date: April 12, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,117,241

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 VAFSEO (vadadustat) generic drug versions launch?

Generic name: vadadustat
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: June 26, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,008,002,576

VAFSEO is a drug marketed by Akebia. There are thirteen patents protecting this drug.

This drug has two hundred and fifty-eight 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 ZUNVEYL (benzgalantamine gluconate) generic drug versions launch?

Generic name: benzgalantamine gluconate
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: September 22, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,039,138

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 VYKAT XR (diazoxide choline) generic drug versions launch?

Generic name: diazoxide choline
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: December 20, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,007,081,521

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 VICTRELIS (boceprevir) generic drug versions launch?

Generic name: boceprevir
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: May 31, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,006,130,628

VICTRELIS is a drug marketed by Merck Sharp Dohme. There are two patents protecting this drug.

This drug has twenty-seven patent family members in seventeen countries.

The generic ingredient in VICTRELIS is boceprevir. Additional details are available on the boceprevir profile page.

When can VOCABRIA (cabotegravir sodium) generic drug versions launch?

Generic name: cabotegravir sodium
DrugPatentWatch® Estimated Patent Expiration / Generic Entry Opportunity Date: February 20, 2026
Generic Entry Controlled by: World Intellectual Property Organization (WIPO) Patent 2,006,088,173

VOCABRIA is a drug marketed by Viiv Hlthcare. There are two patents protecting this drug.

This drug has one hundred and twenty-six patent family members in thirty-three countries.

The generic ingredient in VOCABRIA is cabotegravir sodium. One supplier is listed for this generic product. Additional details are available on the cabotegravir sodium profile page.

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