Wednesday, July 8, 2026

Patent intelligence · US

US 10639278

Delivery of agents using metastable liposomes

granted A61KA61K31/436A61K49/0084A61K9/0034
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 14
Applicant portfolio 4
Patent details — US 10639278
Jurisdiction
US
Status
granted
Grant date
May 5, 2020
Expiration
Apr 30, 2040
Claims
29
CPC classes
A61K, A61K31/436, A61K49/0084, A61K9/0034
View on Google Patents ↗

Quick answer

US 10639278 (Delivery of agents using metastable liposomes) is held by LIPELLA PHARMACEUTICALS, INC.. Status: granted. Granted May 5, 2020. Expires Apr 30, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
29
CPC classes
A61K, A61K31/436, A61K49/0084, A61K9/0034, A61K9/1272, A61P

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Frequently asked questions

What is US patent 10639278?

US 10639278 (Delivery of agents using metastable liposomes) is held by LIPELLA PHARMACEUTICALS, INC.. Status: granted. Granted May 5, 2020. Expires Apr 30, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10639278?

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 10639278 expire?

Our index shows an expiration date of Apr 30, 2040 (14 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.