Last Updated: November 4, 2026

Details for Patent: 11,439,597

Name: Drug Patent Intelligence for US Patent 11439597
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Which drugs does patent 11,439,597 protect, and when does it expire?

Patent 11,439,597 protects SUNOSI and is included in one NDA.

This patent has twenty-three patent family members in nineteen countries.

Summary for Patent: 11,439,597

Title:	Formulations of (R)-2-amino-3-phenylpropyl carbamate
Abstract:	The present invention relates to immediate release formulations of (R)-2-amino-3-phenylpropyl carbamate and methods of using the same to treat disorders.
Inventor(s):	Clark Patrick Allphin, Edwin Gerard Walsh
Assignee:	Axsome Malta Ltd
Application Number:	US17/154,336
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 11,439,597
Patent Claim Types: see list of patent claims	Composition; Formulation; Compound; Delivery; Dosage form;

Drugs Protected by US Patent 11,439,597

Glossary

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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	Submissiondate
Axsome Malta	SUNOSI	solriamfetol hydrochloride	TABLET;ORAL	211230-001	Jun 17, 2019	AB	RX	Yes	No	⤷ Start Trial	⤷ Start Trial	Y				⤷ Start Trial
Axsome Malta	SUNOSI	solriamfetol hydrochloride	TABLET;ORAL	211230-002	Jun 17, 2019	AB	RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 11,439,597

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2017324855	⤷ Start Trial
Canada	3036068	⤷ Start Trial
Chile	2019000571	⤷ Start Trial
China	109906078	⤷ Start Trial
Denmark	3509581	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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