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Details for Patent: 7,094,427

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Patent 7,094,427 protects RYTARY and is included in one NDA. There have been two Paragraph IV challenges on Rytary.

This patent has nine patent family members in six countries.

Summary for Patent: 7,094,427

Title:Combination immediate release controlled release levodopa/carbidopa dosage forms
Abstract: The present invention relates to dosage forms of a combination of carbidopa and levodopa comprising both immediate release and controlled release components for the treatment of ailments associated with depleted amounts of dopamine in a patient's brain tissue.
Inventor(s): Han; Chien-Hsuan (Sunnyvale, CA), Hsu; Larry (Los Altos Hills, CA), Hsu; Ann F. (Los Altos Hills, CA)
Assignee: Impax Laboratories, Inc. (Hayward, CA)
Application Number:10/241,837
Patent Claim Types:
see list of patent claims
Use; Formulation; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 21st 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, 2015RXNo7,094,427► subscribeY TREATMENT OF PARKINSON'S DISEASE, POST-ENCEPHALITIC PARKINSONISM, AND PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION OR MANGANESE INTOXICATION
Impax Labs Inc
RYTARY
carbidopa; levodopa
CAPSULE, EXTENDED RELEASE;ORAL203312-002Jan 7, 2015RXNo7,094,427► subscribeY TREATMENT OF PARKINSON'S DISEASE, POST-ENCEPHALITIC PARKINSONISM, AND PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION OR MANGANESE INTOXICATION
Impax Labs Inc
RYTARY
carbidopa; levodopa
CAPSULE, EXTENDED RELEASE;ORAL203312-003Jan 7, 2015RXNo7,094,427► subscribeY TREATMENT OF PARKINSON'S DISEASE, POST-ENCEPHALITIC PARKINSONISM, AND PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION OR MANGANESE INTOXICATION
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International Patent Family for Patent: 7,094,427

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia2003247409► subscribe
Canada2486859► subscribe
European Patent Office1507518► 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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