Wednesday, July 8, 2026

Patent intelligence · US

US 12138345

Delivery of agents using metastable liposomes

granted A61KA61K31/436A61K49/0084A61K9/0034
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 18
Applicant portfolio 4
Patent details — US 12138345
Jurisdiction
US
Status
granted
Grant date
Nov 12, 2024
Expiration
Nov 7, 2044
Claims
19
CPC classes
A61K, A61K31/436, A61K49/0084, A61K9/0034
View on Google Patents ↗

Quick answer

US 12138345 (Delivery of agents using metastable liposomes) is held by LIPELLA PHARMACEUTICALS, INC.. Status: granted. Granted Nov 12, 2024. Expires Nov 7, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K31/436, A61K49/0084, A61K9/0034, A61K9/1272, A61P

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Frequently asked questions

What is US patent 12138345?

US 12138345 (Delivery of agents using metastable liposomes) is held by LIPELLA PHARMACEUTICALS, INC.. Status: granted. Granted Nov 12, 2024. Expires Nov 7, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12138345?

LIPELLA PHARMACEUTICALS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 4 pharmaceutical patents for this assignee.

When does US 12138345 expire?

Our index shows an expiration date of Nov 7, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.