US Patent

US9545380 — Tamper resistant dosage forms

Method of Use · Assigned to Purdue Pharma LP · Expires 2027-08-24 · 1y remaining

Vulnerability score 58/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects a tamper-resistant dosage form of 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

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

CodeDescriptionDrug
U-1556 hydrocodone-bitartrate
U-1556 hydrocodone-bitartrate
U-1556 hydrocodone-bitartrate
U-1556 hydrocodone-bitartrate
U-1556 hydrocodone-bitartrate
U-1556 hydrocodone-bitartrate
U-1556 hydrocodone-bitartrate

Patent Metadata

Patent number
US9545380
Jurisdiction
US
Classification
Method of Use
Expires
2027-08-24
Drug substance claim
No
Drug product claim
No
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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