Wednesday, July 8, 2026

Patent intelligence · US

US 12285485

Methods of treating pain

granted A61KA61K31/573A61K31/661A61K45/06
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 8
Patent details — US 12285485
Jurisdiction
US
Status
granted
Grant date
Apr 29, 2025
Expiration
Apr 24, 2045
Claims
29
CPC classes
A61K, A61K31/573, A61K31/661, A61K45/06
View on Google Patents ↗

Quick answer

US 12285485 (Methods of treating pain) is held by Semnur Pharmaceuticals, Inc.. Status: granted. Granted Apr 29, 2025. Expires Apr 24, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
29
CPC classes
A61K, A61K31/573, A61K31/661, A61K45/06, A61K47/02, A61K47/36

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Frequently asked questions

What is US patent 12285485?

US 12285485 (Methods of treating pain) is held by Semnur Pharmaceuticals, Inc.. Status: granted. Granted Apr 29, 2025. Expires Apr 24, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12285485?

Semnur Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8 pharmaceutical patents for this assignee.

When does US 12285485 expire?

Our index shows an expiration date of Apr 24, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.