Wednesday, July 8, 2026

Patent intelligence · US

US 12257224

Methods of administration for highly water-soluble salts of a short acting phenylalkylamine calcium channel blocker

granted A61KA61K31/277A61K31/7048A61K31/7076
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 19
Applicant portfolio 12
Patent details — US 12257224
Jurisdiction
US
Status
granted
Grant date
Mar 25, 2025
Expiration
Mar 20, 2045
Claims
22
CPC classes
A61K, A61K31/277, A61K31/7048, A61K31/7076
View on Google Patents ↗

Quick answer

US 12257224 (Methods of administration for highly water-soluble salts of a short acting phenylalkylamine calcium channel blocker) is held by Milestone Pharmaceuticals Inc.. Status: granted. Granted Mar 25, 2025. Expires Mar 20, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
22
CPC classes
A61K, A61K31/277, A61K31/7048, A61K31/7076, A61K45/06, A61K47/183

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Frequently asked questions

What is US patent 12257224?

US 12257224 (Methods of administration for highly water-soluble salts of a short acting phenylalkylamine calcium channel blocker) is held by Milestone Pharmaceuticals Inc.. Status: granted. Granted Mar 25, 2025. Expires Mar 20, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12257224?

Milestone Pharmaceuticals Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 12 pharmaceutical patents for this assignee.

When does US 12257224 expire?

Our index shows an expiration date of Mar 20, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.