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Last Updated: March 28, 2026

Patents Expiring in December 2042

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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
Axsome Malta	SUNOSI	solriamfetol hydrochloride	TABLET;ORAL	211230-001	Jun 17, 2019		RX	Yes	No	12,064,411	⤷ Start Trial				TREATMENT OF EXCESSIVE DAYTIME SLEEPINESS IN A BREAST-FEEDING PATIENT WHILE REDUCING INFANT EXPOSURE TO SOLRIAMFETOL
Axsome Malta	SUNOSI	solriamfetol hydrochloride	TABLET;ORAL	211230-001	Jun 17, 2019		RX	Yes	No	12,090,126	⤷ Start Trial				TREATMENT OF EXCESSIVE DAYTIME SLEEPINESS IN A BREAST-FEEDING PATIENT WHILE REDUCING INFANT EXPOSURE TO SOLRIAMFETOL
Axsome Malta	SUNOSI	solriamfetol hydrochloride	TABLET;ORAL	211230-001	Jun 17, 2019		RX	Yes	No	12,263,145	⤷ Start Trial				TREATMENT OF EXCESSIVE DAYTIME SLEEPINESS IN A BREAST-FEEDING PATIENT WHILE REDUCING INFANT EXPOSURE TO SOLRIAMFETOL
Axsome Malta	SUNOSI	solriamfetol hydrochloride	TABLET;ORAL	211230-001	Jun 17, 2019		RX	Yes	No	11,793,776	⤷ Start Trial				TREATMENT OF EXCESSIVE DAYTIME SLEEPINESS IN A BREAST-FEEDING PATIENT WHILE REDUCING INFANT EXPOSURE TO SOLRIAMFETOL
>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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