US Patent

US9492389 — Tamper resistant dosage forms

Formulation · Assigned to Purdue Pharma LP · Expires 2027-08-24 · 1y remaining

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

What this patent protects

This patent protects tamper-resistant dosage forms, including those containing an opioid analgesic, such as oxycodone hydrochloride.

USPTO Abstract

The present invention relates to pharmaceutical dosage forms, for example to a tamper resistant dosage form including an opioid analgesic, and processes of manufacture, uses, and methods of treatment thereof.

Drugs covered by this patent

Patent Metadata

Patent number: US9492389
Jurisdiction: US
Classification: Formulation
Expires: 2027-08-24
Drug substance claim: No
Drug product claim: Yes
Assignee: Purdue Pharma LP
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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