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Serving hundreds of leading biopharmaceutical companies globally:

Chinese Patent Office
Deloitte
Accenture
Cipla
McKesson
Daiichi Sankyo
Chubb
Merck
McKinsey

Generated: April 20, 2018

DrugPatentWatch Database Preview

Details for Patent: 7,820,203

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Which drugs does patent 7,820,203 protect, and when does it expire?

Patent 7,820,203 protects AMRIX and is included in one NDA.

This patent has one patent family member in one country.
Summary for Patent: 7,820,203
Title:Modified release dosage forms of skeletal muscle relaxants
Abstract:A unit dosage form, such as a capsule or the like, for delivering a skeletal muscle relaxant, such as cyclobenzaprine hydrochloride, into the body in an extended or sustained release fashion comprising one or more populations of drug-containing particles (beads, pellets, granules, etc.) is disclosed. At least one bead population exhibits a pre-designed sustained release profile. Such a drug delivery system is designed for once-daily oral administration to maintain an adequate plasma concentration--time profile, thereby providing relief of muscle spasm associated with painful musculoskeletal conditions over a 24 hour period.
Inventor(s): Venkatesh; Gopi (Vandalia, OH), Clevenger; James M. (Vandalia, OH)
Assignee: Eurand, Inc. (Vandalia, OH)
Application Number:12/026,882
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form;

Drugs Protected by US Patent 7,820,203

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
Teva Pharms Intl AMRIX cyclobenzaprine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 021777-001 Feb 1, 2007 RX Yes No ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Teva Pharms Intl AMRIX cyclobenzaprine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 021777-002 Feb 1, 2007 RX Yes Yes ➤ 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 7,820,203

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
7,790,199 Modified release dosage forms of skeletal muscle relaxants ➤ Sign Up
7,829,121 Modified release dosage forms of skeletal muscle relaxants ➤ Sign Up
8,877,245 Modified release dosage forms of skeletal muscle relaxants ➤ Sign Up
7,387,793 Modified release dosage forms of skeletal muscle relaxants ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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International Patents Family Members for US Patent 7,820,203

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
World Intellectual Property Organization (WIPO) 2005048996 ➤ Sign Up
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Express Scripts
Cantor Fitzgerald
Farmers Insurance
AstraZeneca
Medtronic
Chinese Patent Office
Accenture
Harvard Business School
Dow

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