Wednesday, July 8, 2026

Patent intelligence · US

US 11911359

Stimulation of an immune response by cationic lipids

granted A61KA61K2039/55555A61K31/14A61K31/20
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 11
Related coverage 6
Patent details — US 11911359

Quick answer

US 11911359 (Stimulation of an immune response by cationic lipids) is held by PDS Biotechnology Corporation. Status: granted. Granted Feb 27, 2024. Expires Feb 22, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
21
CPC classes
A61K, A61K2039/55555, A61K31/14, A61K31/20, A61K31/231, A61K39/00

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Frequently asked questions

What is US patent 11911359?

US 11911359 (Stimulation of an immune response by cationic lipids) is held by PDS Biotechnology Corporation. Status: granted. Granted Feb 27, 2024. Expires Feb 22, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11911359?

PDS Biotechnology Corporation is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 11 pharmaceutical patents for this assignee.

When does US 11911359 expire?

Our index shows an expiration date of Feb 22, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.