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Details for Patent: 7,981,439

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Which drugs does patent 7,981,439 protect, and when does it expire?

Patent 7,981,439 protects OXAYDO and is included in one NDA.

This patent has thirteen patent family members in six countries.

Summary for Patent: 7,981,439

Title:	Methods and compositions for deterring abuse of drugs susceptible to abuse and dosage forms thereof
Abstract:	This invention relates to an abuse deterrent dosage form of opioid analgesics, wherein an analgesically effective amount of opioid analgesic is combined with a polymer to form a matrix.
Inventor(s):	Kumar; Vijai (Morris Plains, NJ), Dixon; David (Woodside, NY), Tewari; Divya (Suffern, NY), Wadgaonkar; Dilip B. (Suffern, NY)
Assignee:	Acura Pharmaceuticals, Inc. (Palatine, IL)
Application Number:	12/231,136
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,981,439
Patent Claim Types: see list of patent claims	Composition; Dosage form;

Drugs Protected by US Patent 7,981,439

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Patent Submitted
Egalet Us Inc	OXAYDO	oxycodone hydrochloride	TABLET;ORAL	202080-001	Jun 17, 2011		RX	No	No			Y
Egalet Us Inc	OXAYDO	oxycodone hydrochloride	TABLET;ORAL	202080-002	Jun 17, 2011		RX	No	No			Y

Non-Orange Book US Patents Family Members for Patent 7,981,439

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No.	Title	Estimated Patent Expiration
8,101,630	Extended release opioid abuse deterrent compositions and methods of making same
8,637,540	Compositions for deterring abuse of opioid containing dosage forms
8,822,489	Abuse deterrent compositions and methods of making same
7,201,920	Methods and compositions for deterring abuse of opioid containing dosage forms

International Family Members for US Patent 7,981,439

Country	Document Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2004294953
Australia	2010200979
Australia	2013206525
Australia	2015264950