Details for Patent: 8,431,156

Which drugs does patent 8,431,156 protect, and when does it expire?

Patent 8,431,156 protects ELEPSIA XR and is included in one NDA.

This patent has three patent family members in three countries.

Summary for Patent: 8,431,156

Title:	Pharmaceutical composition
Abstract:	The present invention relates to an oral controlled release pharmaceutical composition in the form of a unit dosage form comprising: (a) a highly soluble high dose active ingredient consisting essentially of therapeutically effective amount of levetiracetam or a pharmaceutically acceptable derivative thereof, and (b) a rate controlling means comprising a rate-controlling agent and/or a coating selected from (i) a active ingredient permeable coating surrounding the unit dosage form, and (ii) an active ingredient impermeable coating covering one or more surfaces but not all the surfaces of the unit dosage form, wherein the composition is in the form of a compact tablet and the levetiracetam or a pharmaceutically acceptable derivative thereof is present in an amount ranging from about 55% to about 90% by weight of the tablet.
Inventor(s):	Zala; Yashoraj Rupsinh (Mumbai, IN), Dharmadhikari; Nitin Bhalachandra (Mumbai, IN)
Assignee:	Sun Pharma Advanced Research Company Ltd. (Mumbai, IN)
Application Number:	11/884,770
Patent Claim Types: see list of patent claims	Composition; Dosage form;

Drugs Protected by US Patent 8,431,156

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Tripoint	ELEPSIA XR	levetiracetam	TABLET, EXTENDED RELEASE;ORAL	204417-001	Dec 20, 2018		RX	Yes	No			Y
Tripoint	ELEPSIA XR	levetiracetam	TABLET, EXTENDED RELEASE;ORAL	204417-002	Dec 20, 2018		RX	Yes	Yes			Y

Foreign Priority and PCT Information for Patent: 8,431,156

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
India	196/MUM/2005	Feb 22, 2005

PCT Information
PCT Filed	February 22, 2006	PCT Application Number:	PCT/IN2006/000059
PCT Publication Date:	November 23, 2006	PCT Publication Number:	WO2006/123357

International Family Members for US Patent 8,431,156

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	1909770
Spain	2403069
World Intellectual Property Organization (WIPO)	2006123357