US Patent

US9492393 — Tamper resistant dosage forms

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

Vulnerability score 75/100 Vulnerable — likely target for IPR or design-around

What this patent protects

This patent protects a tamper-resistant dosage form of an opioid analgesic, such as Purdue Pharma's formulation of 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

oxycodone-hydrochloride (OXYCODONE HYDROCHLORIDE)

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.

Code	Description	Drug
`U-1556`	—	oxycodone-hydrochloride
`U-1556`	—	oxycodone-hydrochloride
`U-1556`	—	oxycodone-hydrochloride
`U-1556`	—	oxycodone-hydrochloride
`U-1556`	—	oxycodone-hydrochloride
`U-1556`	—	oxycodone-hydrochloride
`U-1556`	—	oxycodone-hydrochloride

Patent Metadata

Patent number: US9492393
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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