Wednesday, July 8, 2026

Patent intelligence · US

US 12226610

Treatment of pain associated with total knee arthroplasty with sustained-release liposomal anesthetic compositions

granted A61KA61K31/167A61K31/445A61K9/0019
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 19
Applicant portfolio 57
Patent details — US 12226610
Jurisdiction
US
Status
granted
Grant date
Feb 18, 2025
Expiration
Feb 13, 2045
Claims
28
CPC classes
A61K, A61K31/167, A61K31/445, A61K9/0019
View on Google Patents ↗

Quick answer

US 12226610 (Treatment of pain associated with total knee arthroplasty with sustained-release liposomal anesthetic compositions) is held by Pacira Pharmaceuticals, Inc.. Status: granted. Granted Feb 18, 2025. Expires Feb 13, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
28
CPC classes
A61K, A61K31/167, A61K31/445, A61K9/0019, A61K9/0085, A61K9/127

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Frequently asked questions

What is US patent 12226610?

US 12226610 (Treatment of pain associated with total knee arthroplasty with sustained-release liposomal anesthetic compositions) is held by Pacira Pharmaceuticals, Inc.. Status: granted. Granted Feb 18, 2025. Expires Feb 13, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12226610?

Pacira Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 57 pharmaceutical patents for this assignee.

When does US 12226610 expire?

Our index shows an expiration date of Feb 13, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.