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Last Updated: January 19, 2026

January 18, 2026 Drug Patent Expirations

Drug Patent Expirations for the Week of January 18, 2026

Tradename Applicant Generic Name Patent No. Patent Expiration
GENOSYL Vero Biotech Inc nitric oxide 8,057,742 ⤷  Get Started Free
TAVALISSE Rigel Pharms fostamatinib disodium 9,266,912 ⤷  Get Started Free
TAVALISSE Rigel Pharms fostamatinib disodium 8,211,889 ⤷  Get Started Free
TAVALISSE Rigel Pharms fostamatinib disodium RE48898 ⤷  Get Started Free
FORZINITY Stealth Biotheraps elamipretide hydrochloride 7,576,061 ⤷  Get Started Free
OZEMPIC Novo semaglutide 10,376,652 ⤷  Get Started Free
OZEMPIC Novo semaglutide 9,861,757 ⤷  Get Started Free
OZEMPIC Novo semaglutide 9,616,180 ⤷  Get Started Free
OZEMPIC Novo semaglutide 10,357,616 ⤷  Get Started Free
OZEMPIC Novo semaglutide 9,108,002 ⤷  Get Started Free
OTREXUP Assertio Speclty methotrexate 9,629,959 ⤷  Get Started Free
OTREXUP Assertio Speclty methotrexate 8,562,564 ⤷  Get Started Free
OTREXUP Assertio Speclty methotrexate 11,446,441 ⤷  Get Started Free
OTREXUP Assertio Speclty methotrexate 9,533,102 ⤷  Get Started Free
XYOSTED (AUTOINJECTOR) Antares Pharma Inc testosterone enanthate 11,446,441 ⤷  Get Started Free
XYOSTED (AUTOINJECTOR) Antares Pharma Inc testosterone enanthate 9,533,102 ⤷  Get Started Free
XYOSTED (AUTOINJECTOR) Antares Pharma Inc testosterone enanthate 9,180,259 ⤷  Get Started Free
XYOSTED (AUTOINJECTOR) Antares Pharma Inc testosterone enanthate 9,629,959 ⤷  Get Started Free
XYOSTED (AUTOINJECTOR) Antares Pharma Inc testosterone enanthate 10,478,560 ⤷  Get Started Free
XYOSTED (AUTOINJECTOR) Antares Pharma Inc testosterone enanthate 8,562,564 ⤷  Get Started Free
>Tradename >Applicant >Generic Name >Patent No. >Patent Expiration

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