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Serving hundreds of leading biopharmaceutical companies globally:

Deloitte
US Department of Justice
Julphar
Fuji
Argus Health
Express Scripts
Medtronic
Federal Trade Commission
Cerilliant

Generated: April 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 8,377,474

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Which drugs does patent 8,377,474 protect, and when does it expire?

Patent 8,377,474 protects RYTARY and is included in one NDA.

This patent has twenty-two patent family members in eleven countries.
Summary for Patent: 8,377,474
Title:Controlled release formulations of levodopa and uses thereof
Abstract: The current invention provides a controlled release oral solid formulation of levodopa comprising levodopa, a decarboxylase inhibitor, and a carboxylic acid. Also provided by this invention is multiparticulate, controlled release oral solid formulations of levodopa comprising: i) a controlled release component comprising a mixture of levodopa, a decarboxylase inhibitor and a rate controlling excipient; ii) a carboxylic acid component; and iii) an immediate release component comprising a mixture of levodopa and a decarboxylase inhibitor.
Inventor(s): Hsu; Ann (Los Altos Hills, CA), Kou; Jim H. (San Jose, CA), Alani; Laman (Hillsborough, CA)
Assignee: Impax Laboratories, Inc. (Hayward, CA)
Application Number:12/599,668
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Use; Dosage form;

Drugs Protected by US Patent 8,377,474

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
Impax Labs Inc RYTARY carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 203312-001 Jan 7, 2015 RX Yes No ➤ Sign Up ➤ Sign Up Y TREATMENT OF PARKINSON'S DISEASE ➤ Sign Up
Impax Labs Inc RYTARY carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 203312-001 Jan 7, 2015 RX Yes No ➤ Sign Up ➤ Sign Up Y TREATMENT OF PARKINSON'S DISEASE, POST-ENCEPHALITIC PARKINSONISM, AND PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION OR MANGANESE INTOXICATION ➤ Sign Up
Impax Labs Inc RYTARY carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 203312-002 Jan 7, 2015 RX Yes No ➤ Sign Up ➤ Sign Up Y TREATMENT OF PARKINSON'S DISEASE, POST-ENCEPHALITIC PARKINSONISM, AND PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION OR MANGANESE INTOXICATION ➤ Sign Up
Impax Labs Inc RYTARY carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 203312-002 Jan 7, 2015 RX Yes No ➤ Sign Up ➤ Sign Up Y TREATMENT OF PARKINSON'S DISEASE ➤ 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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Foreign Priority and PCT Information for Patent: 8,377,474

PCT Information
PCT FiledDecember 26, 2008PCT Application Number:PCT/US2008/014080
PCT Publication Date:July 09, 2009PCT Publication Number: WO2009/085306

Non-Orange Book US Patents Family Members for Patent 8,377,474

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
9,089,607 Controlled release formulations of levodopa and uses thereof ➤ Sign Up
9,089,608 Controlled release formulations of levodopa and uses thereof ➤ Sign Up
9,463,246 Controlled release formulations of levodopa and uses thereof ➤ Sign Up
8,454,998 Controlled release formulations of levodopa and uses thereof ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Baxter
Fuji
Mallinckrodt
Citi
Dow
Moodys
Cantor Fitzgerald
Covington
Merck

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