Wednesday, July 8, 2026

Patent intelligence · US

US 8182835

Sustained-release liposomal anesthetic compositions

granted A61KA61K31/167A61K31/40A61K31/445
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 6
Applicant portfolio 57
Patent details — US 8182835
Jurisdiction
US
Status
granted
Grant date
May 22, 2012
Expiration
May 17, 2032
Claims
21
CPC classes
A61K, A61K31/167, A61K31/40, A61K31/445
View on Google Patents ↗

Quick answer

US 8182835 (Sustained-release liposomal anesthetic compositions) is held by Pacira Pharmaceuticals, Inc.. Status: granted. Granted May 22, 2012. Expires May 17, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
21
CPC classes
A61K, A61K31/167, A61K31/40, A61K31/445, A61K47/02, A61K47/12

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Frequently asked questions

What is US patent 8182835?

US 8182835 (Sustained-release liposomal anesthetic compositions) is held by Pacira Pharmaceuticals, Inc.. Status: granted. Granted May 22, 2012. Expires May 17, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8182835?

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 8182835 expire?

Our index shows an expiration date of May 17, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.