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

Generic name: selumetinib sulfate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 21, 2025
Generic Entry Controlled by: China Patent 102,329,270
Patent Title: Hydrogen sulfate salt

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.

Generic name: diazoxide choline
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: January 05, 2026
Generic Entry Controlled by: China Patent 101,868,239
Patent Title: Salts of potassium ATP channel openers and uses thereof

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.

Generic name: diazoxide choline
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: January 05, 2026
Generic Entry Controlled by: China Patent 103,172,592
Patent Title: Salts of potassium atp channel openers and uses thereof

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.

Generic name: leuprolide mesylate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: January 18, 2026
Generic Entry Controlled by: China Patent 101,400,363
Patent Title: Pharmaceutical compositions with enhanced stability

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.

Generic name: peramivir
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: February 13, 2026
Generic Entry Controlled by: China Patent 101,420,948
Patent Title: Intramuscular antiviral treatments

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.

Generic name: peramivir
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: February 13, 2026
Generic Entry Controlled by: China Patent 104,784,166
Patent Title: Antiviral compound, dosage form including same, and uses thereof

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.

Generic name: alcaftadine
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: March 31, 2026
Generic Entry Controlled by: China Patent 101,460,176
Patent Title: Ocular allergy treatments

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.

Generic name: alcaftadine
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: March 31, 2026
Generic Entry Controlled by: China Patent 102,895,234
Patent Title: Ocular allergy treatments

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.

Generic name: cabotegravir sodium
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: April 28, 2026
Generic Entry Controlled by: China Patent 101,212,903
Patent Title: Polycyclic carbamoylpyridone derivative having HIV integrase inhibitory activity

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.

Generic name: linagliptin
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: May 04, 2026
Generic Entry Controlled by: China Patent 101,437,493

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.

Generic name: linagliptin
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: May 04, 2026
Generic Entry Controlled by: China Patent 102,526,737

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.

Generic name: vortioxetine hydrobromide
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 16, 2026
Generic Entry Controlled by: China Patent 103,948,597
Patent Title: 1-[2-(2,4-dimethylphenylsulfanyl)phenyl]piperazine used for treatment of pain or depression residual symptoms related with sleep and cognition

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.

Generic name: morphine sulfate; naltrexone hydrochloride
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 19, 2026
Generic Entry Controlled by: China Patent 101,677,963

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.

Generic name: amlodipine besylate; hydrochlorothiazide; valsartan
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 27, 2026
Generic Entry Controlled by: China Patent 103,169,711

EXFORGE HCT is a drug marketed by Novartis.

This drug has seventy-four patent family members in twenty-three countries. There has been litigation on patents covering EXFORGE HCT

See drug price trends for EXFORGE HCT.

The generic ingredient in EXFORGE HCT is amlodipine besylate; hydrochlorothiazide; valsartan. There are fifty drug master file entries for this API. Five suppliers are listed for this generic product. Additional details are available on the amlodipine besylate; hydrochlorothiazide; valsartan profile page.

Generic name: exenatide synthetic
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: China Patent 103,145,773

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.

Generic name: dapagliflozin
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: China Patent 103,145,773

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.

Generic name: dapagliflozin; saxagliptin hydrochloride
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: China Patent 103,145,773

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.

Generic name: simeprevir sodium
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: July 28, 2026
Generic Entry Controlled by: China Patent 102,627,639
Patent Title: Macrocydic inhibitors of hepatitis c virus.

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.

Generic name: pancrelipase (amylase;lipase;protease)
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: August 15, 2026
Generic Entry Controlled by: China Patent 101,242,811
Patent Title: Controlled release pharmaceutical compositions for acid labile drugs

CREON is a drug marketed by

This drug has one hundred and forty patent family members in forty-three 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. Additional details are available on the pancrelipase (amylase;lipase;protease) profile page.

Generic name: pancrelipase (amylase;lipase;protease)
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: August 15, 2026
Generic Entry Controlled by: China Patent 101,242,812
Patent Title: Pancreatin micropellets suitable for enteric coating

CREON is a drug marketed by

This drug has one hundred and forty patent family members in forty-three 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. Additional details are available on the pancrelipase (amylase;lipase;protease) profile page.

Generic name: macitentan
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: August 29, 2026
Generic Entry Controlled by: China Patent 101,511,365

OPSUMIT is a drug marketed by Actelion. There are five patents protecting this drug and one Paragraph IV challenge. One tentatively approved generic is ready to enter the market.

This drug has ninety-nine patent family members in thirty-four countries. There has been litigation on patents covering OPSUMIT

See drug price trends for OPSUMIT.

The generic ingredient in OPSUMIT is macitentan. There are ten drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the macitentan profile page.

Generic name: macitentan; tadalafil
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: August 29, 2026
Generic Entry Controlled by: China Patent 101,511,365

OPSYNVI is a drug marketed by Actelion. There are three patents protecting this drug.

This drug has ninety-nine patent family members in thirty-four countries. There has been litigation on patents covering OPSYNVI

See drug price trends for OPSYNVI.

The generic ingredient in OPSYNVI is macitentan; tadalafil. There are ten drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the macitentan; tadalafil profile page.

Generic name: tolvaptan
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 01, 2026
Generic Entry Controlled by: China Patent 101,273,017

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.

Generic name: tolvaptan
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 01, 2026
Generic Entry Controlled by: China Patent 101,273,017

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.

Generic name: pirfenidone
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: China Patent 101,267,810

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.

Generic name: pirfenidone
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: China Patent 103,393,607

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.

Generic name: pirfenidone
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: China Patent 103,735,530

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.

Generic name: benzgalantamine gluconate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: China Patent 101,287,719
Patent Title: Cholinergic enhancers with improved blood-brain barrier permeability for the treatment of diseases accompanied by cognitive impairment

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.

Generic name: sotagliflozin
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 29, 2026
Generic Entry Controlled by: China Patent 103,254,119

INPEFA is a drug marketed by Lexicon Pharms Inc. There are three patents protecting this drug.

This drug has eighty-one patent family members in thirty-three countries.

See drug price trends for INPEFA.

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

Generic name: sacubitril; valsartan
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: November 08, 2026
Generic Entry Controlled by: China Patent 102,702,119
Patent Title: Pharmaceutical combinations of an angiotensin receptor antagonist and an NEP inhibitor

ENTRESTO SPRINKLE is a drug marketed by Novartis. There are four patents protecting this drug.

This drug has one hundred and forty-five patent family members in forty-three 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-two suppliers are listed for this generic product. Additional details are available on the sacubitril; valsartan profile page.

Generic name: difelikefalin acetate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: November 10, 2026
Generic Entry Controlled by: China Patent 101,535,336

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.

Generic name: crizotinib
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: November 23, 2026
Generic Entry Controlled by: China Patent 101,326,175

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.

Generic name: ganaxolone
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: November 28, 2026
Generic Entry Controlled by: China Patent 106,667,918

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.

Generic name: bedaquiline fumarate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 05, 2026
Generic Entry Controlled by: China Patent 105,012,303

SIRTURO is a drug marketed by Janssen Therap. There are two patents protecting this drug.

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

See drug price trends for SIRTURO.

The generic ingredient in SIRTURO is bedaquiline fumarate. There is one drug master file entry for this API. One supplier is listed for this generic product. Additional details are available on the bedaquiline fumarate profile page.

Generic name: betrixaban
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 08, 2026
Generic Entry Controlled by: China Patent 105,193,799

BEVYXXA is a drug marketed by Portola Pharms Inc. There are five patents protecting this drug.

This drug has sixty-seven patent family members in twenty-six countries. There has been litigation on patents covering BEVYXXA

See drug price trends for BEVYXXA.

The generic ingredient in BEVYXXA is betrixaban. Additional details are available on the betrixaban profile page.

Generic name: selumetinib sulfate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 12, 2026
Generic Entry Controlled by: China Patent 101,360,718
Patent Title: Novel hydrogen sulfate salt

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.