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: leuprolide mesylate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: January 18, 2026
Generic Entry Controlled by: Spain Patent 2,397,712

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: alcaftadine
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: March 31, 2026
Generic Entry Controlled by: Spain Patent 2,594,655

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: eslicarbazepine acetate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: April 21, 2026
Generic Entry Controlled by: Spain Patent 2,371,556

APTIOM is a drug marketed by Sumitomo Pharma Am. There are eleven patents protecting this drug and one Paragraph IV challenge. One tentatively approved generic is ready to enter the market.

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.

Generic name: eslicarbazepine acetate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: April 21, 2026
Generic Entry Controlled by: Spain Patent 2,562,816

APTIOM is a drug marketed by Sumitomo Pharma Am. There are eleven patents protecting this drug and one Paragraph IV challenge. One tentatively approved generic is ready to enter the market.

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.

Generic name: treprostinil diolamine
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: April 27, 2026
Generic Entry Controlled by: Spain Patent 2,399,200

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.

Generic name: linagliptin
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: May 04, 2026
Generic Entry Controlled by: Spain Patent 2,348,576

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: Spain Patent 2,527,409

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: Spain Patent 2,538,818

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: hydrocodone bitartrate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 15, 2026
Generic Entry Controlled by: Spain Patent 2,543,802

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.

Generic name: morphine sulfate; naltrexone hydrochloride
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 19, 2026
Generic Entry Controlled by: Spain Patent 2,600,141

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: aliskiren hemifumarate; hydrochlorothiazide
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 23, 2026
Generic Entry Controlled by: Spain Patent 2,704,979

TEKTURNA HCT is a drug marketed by Noden Pharma. There is one patent protecting this drug and one Paragraph IV challenge.

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.

Generic name: vadadustat
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 26, 2026
Generic Entry Controlled by: Spain Patent 2,705,587

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

This drug has two hundred and sixty 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.

Generic name: vadadustat
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 26, 2026
Generic Entry Controlled by: Spain Patent 2,922,078

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

This drug has two hundred and sixty 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.

Generic name: bosutinib monohydrate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Spain Patent 2,449,197

BOSULIF is a drug marketed by Pf Prism Cv. There are four patents protecting this drug and two Paragraph IV challenges. Two tentatively approved generics are ready to enter the market.

This drug has eighty-one patent family members in thirty countries. There has been litigation on patents covering BOSULIF

See drug price trends for BOSULIF.

The generic ingredient in BOSULIF is bosutinib monohydrate. There are five drug master file entries for this API. Two suppliers are listed for this generic product. Additional details are available on the bosutinib monohydrate profile page.

Generic name: exenatide synthetic
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: June 28, 2026
Generic Entry Controlled by: Spain Patent 2,521,665

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: adapalene; benzoyl peroxide
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: July 13, 2026
Generic Entry Controlled by: Spain Patent 2,703,505

EPIDUO is a drug marketed by Galderma Labs Lp and Galderma LabsThere are four patents protecting this drug and two Paragraph IV challenges.

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.

Generic name: adapalene; benzoyl peroxide
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: July 13, 2026
Generic Entry Controlled by: Spain Patent 2,703,505

EPIDUO FORTE is a drug marketed by Galderma Labs.

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.

Generic name: menthol; methyl salicylate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: August 04, 2026
Generic Entry Controlled by: Spain Patent 2,755,027

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.

Generic name: pancrelipase (amylase;lipase;protease)
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: August 15, 2026
Generic Entry Controlled by: Spain Patent 2,341,284

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.

Generic name: macitentan
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: August 29, 2026
Generic Entry Controlled by: Spain Patent 2,438,792

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: Spain Patent 2,438,792

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: benzgalantamine gluconate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2026
Generic Entry Controlled by: Spain Patent 2,348,334

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: pregabalin
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: October 23, 2026
Generic Entry Controlled by: Spain Patent 2,449,231

LYRICA CR is a drug marketed by Upjohn. There are three patents protecting this drug and four Paragraph IV challenges. Six tentatively approved generics are ready to enter the market.

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

See drug price trends for LYRICA CR.

The generic ingredient in LYRICA CR is pregabalin. There are forty-one drug master file entries for this API. Fifty-six suppliers are listed for this generic product. Additional details are available on the pregabalin profile page.

Generic name: difelikefalin acetate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: November 10, 2026
Generic Entry Controlled by: Spain Patent 2,394,377

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: Spain Patent 2,402,419

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: Spain Patent 2,812,250

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: suvorexant
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 01, 2026
Generic Entry Controlled by: Spain Patent 2,397,188

BELSOMRA is a drug marketed by Merck Sharp Dohme. There are three patents protecting this drug.

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.

Generic name: telotristat etiprate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 12, 2026
Generic Entry Controlled by: Spain Patent 2,562,775

XERMELO is a drug marketed by Tersera. There are five patents protecting this drug.

This drug has seventy patent family members in twenty-nine countries.

See drug price trends for XERMELO.

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

Generic name: telotristat etiprate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 12, 2026
Generic Entry Controlled by: Spain Patent 2,625,083

XERMELO is a drug marketed by Tersera. There are five patents protecting this drug.

This drug has seventy patent family members in twenty-nine countries.

See drug price trends for XERMELO.

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

Generic name: ingenol mebutate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 18, 2026
Generic Entry Controlled by: Spain Patent 2,461,315

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.

Generic name: diazoxide choline
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 20, 2026
Generic Entry Controlled by: Spain Patent 2,374,963

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: December 20, 2026
Generic Entry Controlled by: Spain Patent 2,984,297

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: aminolevulinic acid hydrochloride
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: December 22, 2026
Generic Entry Controlled by: Spain Patent 2,602,107

AMELUZ is a drug marketed by Biofrontera. There are three patents protecting this drug.

This drug has twenty-nine patent family members in eighteen countries.

See drug price trends for AMELUZ.

The generic ingredient in AMELUZ is aminolevulinic acid hydrochloride. There are six drug master file entries for this API. Four suppliers are listed for this generic product. Additional details are available on the aminolevulinic acid hydrochloride profile page.