US Patent

US9144559 — Solid pharmaceutical compositions containing pregabalin

Formulation · Assigned to Warner Lambert Co LLC · Expires 2026-11-02 · 0y remaining

Vulnerability score 43/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects a solid pharmaceutical composition containing pregabalin, suitable for once daily oral administration.

USPTO Abstract

A solid pharmaceutical composition containing pregabalin is described. The composition includes a matrix forming agent and a swelling agent and is suitable for once daily oral administration. Exemplary matrix forming agents include mixtures of polyvinyl acetate and polyvinylpyrrolidone, and exemplary swelling agents include cross-linked polymers of polyvinylpyrrolidone.

Drugs covered by this patent

Patent Metadata

Patent number
US9144559
Jurisdiction
US
Classification
Formulation
Expires
2026-11-02
Drug substance claim
No
Drug product claim
Yes
Assignee
Warner Lambert Co 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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