Wednesday, July 8, 2026

Patent intelligence · US

US 11801257

Stimulation of an immune response by enantiomers of cationic lipids

granted A61KA61K31/685A61PA61P31/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 17
Applicant portfolio 11
Patent details — US 11801257
Jurisdiction
US
Status
granted
Grant date
Oct 31, 2023
Expiration
Oct 26, 2043
Claims
13
CPC classes
A61K, A61K31/685, A61P, A61P31/00
View on Google Patents ↗

Quick answer

US 11801257 (Stimulation of an immune response by enantiomers of cationic lipids) is held by PDS Biotechnology Corporation. Status: granted. Granted Oct 31, 2023. Expires Oct 26, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61K, A61K31/685, A61P, A61P31/00, A61P31/12, A61P35/00

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Frequently asked questions

What is US patent 11801257?

US 11801257 (Stimulation of an immune response by enantiomers of cationic lipids) is held by PDS Biotechnology Corporation. Status: granted. Granted Oct 31, 2023. Expires Oct 26, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11801257?

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 11801257 expire?

Our index shows an expiration date of Oct 26, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.