US Patent

US9642797 — Sublingual fentanyl spray and methods of use to treat pain

Method of Use · Assigned to Insys Development Co Inc · Expires 2027-01-25 · 1y remaining

Vulnerability score 63/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects sublingual fentanyl formulations and methods for treating pain using these formulations.

USPTO Abstract

The present invention is directed to sublingual formulations containing fentanyl, a pharmaceutically acceptable salt thereof, or derivative thereof, suitable for administration to a patient, and methods for treatment with the formulations.

Drugs covered by this patent

Duragesic (fentanyl) · Johnson & Johnson (Janssen Pharmaceutica)

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-55`	—	Duragesic
`U-55`	—	Duragesic
`U-55`	—	Duragesic
`U-55`	—	Duragesic
`U-55`	—	Duragesic
`U-55`	—	Duragesic
`U-55`	—	Duragesic

Patent Metadata

Patent number: US9642797
Jurisdiction: US
Classification: Method of Use
Expires: 2027-01-25
Drug substance claim: No
Drug product claim: Yes
Assignee: Insys Development Co Inc
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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