Last Updated: October 29, 2026

Details for Patent: 10,973,769


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Summary for Patent: 10,973,769
Title:Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof
Abstract:The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and a method of using the controlled release oral solid formulation to treat Parkinson's disease or primary parkinsonism.
Inventor(s):Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
Assignee: Impax Laboratories LLC
Application Number:US16/864,323
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,973,769
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Device; Dosage form;

Drugs Protected by US Patent 10,973,769

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 CREXONT carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 217186-001 Aug 7, 2024 RX Yes No 10,973,769 ⤷  Start Trial Y TREATMENT OF PARKINSON'S DISEASE ⤷  Start Trial
Impax CREXONT carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 217186-002 Aug 7, 2024 RX Yes No 10,973,769 ⤷  Start Trial Y TREATMENT OF PARKINSON'S DISEASE ⤷  Start Trial
Impax CREXONT carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 217186-003 Aug 7, 2024 RX Yes No 10,973,769 ⤷  Start Trial Y TREATMENT OF PARKINSON'S DISEASE ⤷  Start Trial
Impax CREXONT carbidopa; levodopa CAPSULE, EXTENDED RELEASE;ORAL 217186-004 Aug 7, 2024 RX Yes Yes 10,973,769 ⤷  Start Trial Y TREATMENT OF PARKINSON'S DISEASE ⤷  Start 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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