US Patent

US11458091 — Compositions and methods for the treatment of opioid overdose

Method of Use · Assigned to Aegis Therapeutics LLC · Expires 2038-07-10 · 12y remaining

Vulnerability score 70/100 Vulnerable — likely target for IPR or design-around

What this patent protects

This patent protects compositions and methods for treating opioid overdose using nasal delivery devices filled with a pharmaceutical composition containing nalmefene hydrochloride.

USPTO Abstract

Drug products adapted for nasal delivery, comprising a pre-primed device filled with a pharmaceutical composition comprising nalmefene are provided. Methods of treating opioid overdose with the drug products are also provided.

Drugs covered by this patent

nalmefene-hydrochloride (NALMEFENE 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-3630`	—	nalmefene-hydrochloride

Patent Metadata

Patent number: US11458091
Jurisdiction: US
Classification: Method of Use
Expires: 2038-07-10
Drug substance claim: No
Drug product claim: Yes
Assignee: Aegis Therapeutics 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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