Last Updated: May 10, 2026

Details for Patent: 9,517,236

Name: Drug Patent Intelligence for US Patent 9517236
Creator: DrugPatentWatch
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Summary for Patent: 9,517,236

Title:	Controlled release hydrocodone formulations
Abstract:	A solid oral controlled-release dosage form of hydrocodone is disclosed, the dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and controlled release material.
Inventor(s):	Benjamin Oshlack, Hua-pin Huang, John K. Masselink, Alfred Tonelli
Assignee:	Purdue Pharma LP
Application Number:	US15/019,695
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 9,517,236
Patent Claim Types: see list of patent claims	Dosage form;

Drugs Protected by US Patent 9,517,236

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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
>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 9,517,236

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2002227383	⤷ Start Trial
Australia	2738302	⤷ Start Trial
Brazil	0115382	⤷ Start Trial
Canada	2427815	⤷ Start Trial
China	100518827	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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