US Patent

US8057811 — Stable clozapine suspension formulation

Formulation · Assigned to Douglas Pharmaceuticals Ltd · Expires 2028-05-01 · 2y remaining

Vulnerability score 55/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects a stable aqueous composition that includes a suspension of the medication clozapine.

USPTO Abstract

A physicochemically stable aqueous composition including clozapine suspension.

Drugs covered by this patent

Patent Metadata

Patent number
US8057811
Jurisdiction
US
Classification
Formulation
Expires
2028-05-01
Drug substance claim
No
Drug product claim
Yes
Assignee
Douglas Pharmaceuticals Ltd
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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