Thursday, July 9, 2026

Patent intelligence · US

US 11351124

Sustained release of formulations of local anesthetics

granted A61KA61K31/445A61K9/0024A61K9/0085
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 3
Patent details — US 11351124
Jurisdiction
US
Status
granted
Grant date
Jun 7, 2022
Expiration
Jun 2, 2042
Claims
17
CPC classes
A61K, A61K31/445, A61K9/0024, A61K9/0085
View on Google Patents ↗

Quick answer

US 11351124 (Sustained release of formulations of local anesthetics) is held by Eupraxia Pharmaceuticals Inc.. Status: granted. Granted Jun 7, 2022. Expires Jun 2, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
17
CPC classes
A61K, A61K31/445, A61K9/0024, A61K9/0085, A61K9/5026, A61K9/5089

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Frequently asked questions

What is US patent 11351124?

US 11351124 (Sustained release of formulations of local anesthetics) is held by Eupraxia Pharmaceuticals Inc.. Status: granted. Granted Jun 7, 2022. Expires Jun 2, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11351124?

Eupraxia Pharmaceuticals Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 3 pharmaceutical patents for this assignee.

When does US 11351124 expire?

Our index shows an expiration date of Jun 2, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.