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Details for Patent: 9,089,608

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Patent 9,089,608 protects RYTARY and is included in one NDA. There have been two Paragraph IV challenges on Rytary.

This patent has eighteen patent family members in eleven countries.

Summary for Patent: 9,089,608

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:14/030,792
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 16th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Impax Labs Inc
RYTARY
carbidopa; levodopa
CAPSULE, EXTENDED RELEASE;ORAL203312-001Jan 7, 2015RXNo9,089,608► subscribeY
Impax Labs Inc
RYTARY
carbidopa; levodopa
CAPSULE, EXTENDED RELEASE;ORAL203312-002Jan 7, 2015RXNo9,089,608► subscribeY
Impax Labs Inc
RYTARY
carbidopa; levodopa
CAPSULE, EXTENDED RELEASE;ORAL203312-003Jan 7, 2015RXNo9,089,608► subscribeY
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Non-Orange Book Patents for Patent: 9,089,608

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
8,557,283Controlled release formulations of levodopa and uses thereof► subscribe
9,089,607Controlled release formulations of levodopa and uses thereof► subscribe
8,377,474Controlled release formulations of levodopa and uses thereof► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 9,089,608

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia2008343787► subscribe
Canada2711014► subscribe
China101910113► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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