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Serving hundreds of leading biopharmaceutical companies globally:

Federal Trade Commission
Colorcon
Merck
Argus Health
Chinese Patent Office
Julphar
McKinsey
Chubb
Queensland Health

Generated: June 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 8,557,283

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Which drugs does patent 8,557,283 protect, and when does it expire?

Patent 8,557,283 protects RYTARY and is included in one NDA.

This patent has twenty-two patent family members in eleven countries.
Summary for Patent: 8,557,283
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 Lynn (Fort Worth, TX)
Assignee: Impax Laboratories, Inc. (Hayward, CA)
Application Number:13/711,248
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,557,283
Patent Claim Types:
see list of patent claims
Use; Formulation;

Drugs Protected by US Patent 8,557,283

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 ➤ Try a Free Trial ➤ Try a Free Trial Y TREATMENT OF PARKINSON'S DISEASE ➤ Try a Free Trial
Impax Labs Inc RYTARY carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 203312-001 Jan 7, 2015 RX Yes No ➤ Try a Free Trial ➤ Try a Free Trial Y TREATMENT OF PARKINSON'S DISEASE, POST-ENCEPHALITIC PARKINSONISM, AND PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION OR MANGANESE INTOXICATION ➤ Try a Free Trial
Impax Labs Inc RYTARY carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 203312-002 Jan 7, 2015 RX Yes No ➤ Try a Free Trial ➤ Try a Free Trial Y TREATMENT OF PARKINSON'S DISEASE ➤ Try a Free Trial
Impax Labs Inc RYTARY carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 203312-002 Jan 7, 2015 RX Yes No ➤ Try a Free Trial ➤ Try a Free Trial Y TREATMENT OF PARKINSON'S DISEASE, POST-ENCEPHALITIC PARKINSONISM, AND PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION OR MANGANESE INTOXICATION ➤ Try a Free Trial
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 8,557,283

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
9,089,608 Controlled release formulations of levodopa and uses thereof ➤ Try a Free Trial
9,533,046 Controlled release formulations of levodopa and uses thereof ➤ Try a Free Trial
8,377,474 Controlled release formulations of levodopa and uses thereof ➤ Try a Free Trial
9,463,246 Controlled release formulations of levodopa and uses thereof ➤ Try a Free Trial
Patent No. Title Estimated Patent Expiration

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International Family Members for US Patent 8,557,283

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2008343787 ➤ Try a Free Trial
Canada 2711014 ➤ Try a Free Trial
China 101910113 ➤ Try a Free Trial
European Patent Office 2234963 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Farmers Insurance
Teva
Fish and Richardson
Moodys
Covington
Argus Health
Cantor Fitzgerald
Federal Trade Commission
Colorcon

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