US Patent

US11357733 — Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof

Formulation · Assigned to Impax Laboratories LLC · Expires 2034-10-07 · 8y remaining

Vulnerability score 38/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects a controlled release oral solid formulation of levodopa and/or its esters, with a muco-adhesive and enteric coating.

USPTO 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 (b) a decarboxylase inhibitor component.

Drugs covered by this patent

Patent Metadata

Patent number
US11357733
Jurisdiction
US
Classification
Formulation
Expires
2034-10-07
Drug substance claim
No
Drug product claim
Yes
Assignee
Impax Laboratories LLC
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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