Last Updated: June 9, 2026

Patents Expiring in December 2031

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use
Boehringer Ingelheim	GILOTRIF	afatinib dimaleate	TABLET;ORAL	201292-001	Jul 12, 2013		RX	Yes	No	⤷ Start Trial	⤷ Start Trial			Y
Boehringer Ingelheim	GILOTRIF	afatinib dimaleate	TABLET;ORAL	201292-002	Jul 12, 2013		RX	Yes	No	⤷ Start Trial	⤷ Start Trial			Y
Boehringer Ingelheim	GILOTRIF	afatinib dimaleate	TABLET;ORAL	201292-003	Jul 12, 2013		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial			Y
Bausch And Lomb	BESIVANCE	besifloxacin hydrochloride	SUSPENSION/DROPS;OPHTHALMIC	022308-001	May 28, 2009		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial		Y
Nalpropion	CONTRAVE	bupropion hydrochloride; naltrexone hydrochloride	TABLET, EXTENDED RELEASE;ORAL	200063-001	Sep 10, 2014		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial				FOR CHRONIC WEIGHT MANAGEMENT FOR TREATING OVERWEIGHT OR OBESITY
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use

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