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Serving hundreds of leading biopharmaceutical companies globally:

Queensland Health
Daiichi Sankyo
Boehringer Ingelheim
Merck
Accenture
Citi
Chinese Patent Office
UBS
US Department of Justice

Generated: June 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,495,162

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Summary for Patent: 6,495,162
Title: Controlled release oral tablet having a unitary core
Abstract:A controlled release antihyperglycemic tablet that does not contain an expanding polymer and comprising a core containing the antihyperglycemic drug, a semipermeable membrane coating the core and at least one passageway in the membrane.
Inventor(s): Cheng; Xiu Xiu (Davie, FL), Chen; Chih-Ming (Davie, FL), Jan; Steve (Coral Springs, FL), Chou; Joseph (Coral Springs, FL)
Assignee: Andrx Pharmaceuticals, Inc. (Davie, FL)
Application Number:10/016,556
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,495,162
Patent Claim Types:
see list of patent claims
Dosage form; Formulation; Device;

Drugs Protected by US Patent 6,495,162

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
Takeda Pharms Usa ACTOPLUS MET XR metformin hydrochloride; pioglitazone hydrochloride TABLET, EXTENDED RELEASE;ORAL 022024-001 May 12, 2009 RX Yes No ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Takeda Pharms Usa ACTOPLUS MET XR metformin hydrochloride; pioglitazone hydrochloride TABLET, EXTENDED RELEASE;ORAL 022024-002 May 12, 2009 RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Andrx Labs Llc FORTAMET metformin hydrochloride TABLET, EXTENDED RELEASE;ORAL 021574-002 Apr 27, 2004 AB2 RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Andrx Labs Llc FORTAMET metformin hydrochloride TABLET, EXTENDED RELEASE;ORAL 021574-001 Apr 27, 2004 AB2 RX Yes No ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
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

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Non-Orange Book US Patents Family Members for Patent 6,495,162

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
6,099,859 Controlled release oral tablet having a unitary core ➤ Sign Up
8,475,841 Controlled release metformin formulations ➤ Sign Up
7,919,116 Controlled release metformin formulations ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Accenture
UBS
Fuji
US Army
QuintilesIMS
Queensland Health
Federal Trade Commission
Mallinckrodt
Covington

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