Details for Patent: 7,976,870

Which drugs does patent 7,976,870 protect, and when does it expire?

Patent 7,976,870 protects XARTEMIS XR and is included in one NDA.

This patent has six patent family members in six countries.

Summary for Patent: 7,976,870

Title:	Gastric retentive oral dosage form with restricted drug release in the lower gastrointestinal tract
Abstract:	Controlled release oral dosage forms are provided for the continuous, sustained administration of a pharmacologically active agent to the upper gastrointestinal tract of a patient in whom the fed mode as been induced. The majority of the agent is delivered, on an extended release basis, to the stomach, duodenum and upper regions of the small intestine, with drug delivery in the lower gastrointestinal tract and colon substantially restricted. The dosage form comprises a matrix of a biocompatible, hydrophilic, erodible polymer with an active agent incorporated therein, wherein the polymer is one that both swells in the presence of water and gradually erodes over a time period of hours, with swelling and erosion commencing upon contact with gastric fluid, and drug release rate primarily controlled by erosion rate.
Inventor(s):	Berner; Bret (Half Moon Bay, CA), Louie-Helm; Jenny (Fremont, CA), Shell; John W. (Hillsborough, CA)
Assignee:	Depomed, Inc. (Menlo Park, CA)
Application Number:	10/769,574
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,976,870
Patent Claim Types: see list of patent claims	Use; Dosage form; Delivery; Formulation;

Drugs Protected by US Patent 7,976,870

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Mallinckrodt Inc	XARTEMIS XR	acetaminophen; oxycodone hydrochloride	TABLET, EXTENDED RELEASE;ORAL	204031-001	Mar 11, 2014		DISCN	Yes	No						METHOD OF TREATING PATIENTS WITH GASTRIC RETENTIVE DOSAGE FORM

International Family Members for US Patent 7,976,870

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Canada	2409552
European Patent Office	1439826
Japan	2005507000
Mexico	PA04003930