US Patent

US8394408 — Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic

Formulation · Assigned to Depomed Inc · Expires 2029-03-11 · 3y remaining

Vulnerability score 60/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects a dosage form that delivers a combination of acetaminophen and an opioid to the upper gastrointestinal tract of a mammal for an extended period of time.

USPTO Abstract

Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.

Drugs covered by this patent

Patent Metadata

Patent number
US8394408
Jurisdiction
US
Classification
Formulation
Expires
2029-03-11
Drug substance claim
No
Drug product claim
Yes
Assignee
Depomed Inc
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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