US Patent

US8992975 — Combination composition comprising oxycodone and acetaminophen for rapid onset and extended duration of analgesia

Formulation · Assigned to Mallinckrodt LLC · Expires 2032-05-16 · 6y remaining

Vulnerability score 48/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects an extended release pharmaceutical composition of oxycodone and acetaminophen for rapid onset and extended duration of analgesia.

USPTO Abstract

The present disclosure provides an extended release pharmaceutical composition comprising oxycodone and acetaminophen that provides a rapid onset of analgesia, and reduced levels of acetaminophen near the end of the dosing interval. Also provided are methods for reducing the risk of acetaminophen-induced hepatic damage in a subject being treated with an acetaminophen containing composition, as well as methods for treating pain in a subject in need thereof.

Drugs covered by this patent

Patent Metadata

Patent number
US8992975
Jurisdiction
US
Classification
Formulation
Expires
2032-05-16
Drug substance claim
No
Drug product claim
Yes
Assignee
Mallinckrodt 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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