Wednesday, July 8, 2026

Patent intelligence · US

US 9227918

Short acting phenylalkylamine calcium channel blockers and uses thereof

granted A61KA61K31/216A61K31/26A61K31/275
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 9
Applicant portfolio 12
Patent details — US 9227918
Jurisdiction
US
Status
granted
Grant date
Jan 5, 2016
Expiration
Dec 31, 2035
Claims
7
CPC classes
A61K, A61K31/216, A61K31/26, A61K31/275
View on Google Patents ↗

Quick answer

US 9227918 (Short acting phenylalkylamine calcium channel blockers and uses thereof) is held by Milestone Pharmaceuticals Inc.. Status: granted. Granted Jan 5, 2016. Expires Dec 31, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
7
CPC classes
A61K, A61K31/216, A61K31/26, A61K31/275, A61K31/277, A61P

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Frequently asked questions

What is US patent 9227918?

US 9227918 (Short acting phenylalkylamine calcium channel blockers and uses thereof) is held by Milestone Pharmaceuticals Inc.. Status: granted. Granted Jan 5, 2016. Expires Dec 31, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9227918?

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 9227918 expire?

Our index shows an expiration date of Dec 31, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.