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Generated: July 18, 2019

DrugPatentWatch Database Preview

Details for Patent: 8,454,998

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Which drugs does patent 8,454,998 protect, and when does it expire?

Patent 8,454,998 protects RYTARY and is included in one NDA.

This patent has twenty-four patent family members in eleven countries.

Summary for Patent: 8,454,998
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:13/367,230
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,454,998
Prior Art and Litigation SupportOrder Prior Art and Litigation support for Patent 8,454,998
Patent Claim Types:
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Use; Composition; Formulation; Dosage form;

Drugs Protected by US Patent 8,454,998

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
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 203312-001 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 POST-ENCEPHALITIC PARKINSONISM ➤ 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 PARKINSONISM THAT MAY FOLLOW CARBON MONOXIDE INTOXICATION OR MANGANESE INTOXICATION ➤ Try a Free Trial
Impax Labs Inc RYTARY carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 203312-001 Jan 7, 2015 RX Yes No ➤ Try a Free Trial ➤ Try a Free Trial Y TREATMENT OF 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 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 POST-ENCEPHALITIC PARKINSONISM ➤ 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 Submissiondate

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International Family Members for US Patent 8,454,998

Country Patent 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
Israel 206756 ➤ Try a Free Trial
Israel 248520 ➤ Try a Free Trial
Israel 263053 ➤ Try a Free Trial
Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

QuintilesIMS
Colorcon
McKinsey
Johnson and Johnson
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Merck

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.