US Patent

US11304908 — Tamper resistant dosage forms

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

Vulnerability score 46/100 Strong — defensible against typical IPR challenges

What this patent protects

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

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: US11304908
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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