Wednesday, July 8, 2026

Patent intelligence · US

US 12319657

Solid state crystalline forms of a selective potassium channel modulator

granted A61PA61P25/08
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 106
Patent details — US 12319657

Quick answer

US 12319657 (Solid state crystalline forms of a selective potassium channel modulator) is held by Xenon Pharmaceuticals Inc.. Status: granted. Granted Jun 3, 2025. Expires May 29, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
30
CPC classes
A61P, A61P25/08

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Frequently asked questions

What is US patent 12319657?

US 12319657 (Solid state crystalline forms of a selective potassium channel modulator) is held by Xenon Pharmaceuticals Inc.. Status: granted. Granted Jun 3, 2025. Expires May 29, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12319657?

Xenon Pharmaceuticals Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 106 pharmaceutical patents for this assignee.

When does US 12319657 expire?

Our index shows an expiration date of May 29, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.