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Details for Patent: 7,731,989

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Which drugs does patent 7,731,989 protect, and when does it expire?

Patent 7,731,989 protects GRALISE and is included in one NDA.

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

Summary for Patent: 7,731,989

Title:	Gastric retained gabapentin dosage form
Abstract:	A method of treatment for epilepsy and other disease states is described, which comprises the delivery of gabapentin in a gastric retained dosage form.
Inventor(s):	Berner; Bret (El Granada, CA), Hou; Sui Yuen Eddie (Foster City, CA), Gusler; Gloria M. (Cupertino, CA)
Assignee:	Depomed, Inc. (Menlo Park, CA)
Application Number:	12/239,591
Patent Claim Types: see list of patent claims	Compound; Dosage form; Formulation;

Drugs Protected by US Patent 7,731,989

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
Depomed Inc	GRALISE	gabapentin	TABLET;ORAL	022544-001	Jan 28, 2011	BX	RX	Yes	Yes			Y
Depomed Inc	GRALISE	gabapentin	TABLET;ORAL	022544-002	Jan 28, 2011	BX	RX	Yes	Yes			Y

Non-Orange Book US Patents Family Members for Patent 7,731,989

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
8,119,166	Methods of treatment using a gastric retained gabapentin dosage
8,192,756	Gastric retained gabapentin dosage form
8,231,905	Gastric retained gabapentin dosage form
7,438,927	Methods of treatment using a gastric retained gabapentin dosage

International Patents Family Members for US Patent 7,731,989

Country	Document Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2002348828
Australia	2005267738
Australia	2006332690
Canada	2464322