Friday, July 10, 2026

Patent intelligence · US

US 12286395

Method of synthesis of an ionizable cationic lipid

granted A61KA61K47/18A61K47/20A61P
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 19
Applicant portfolio 55
Patent details — US 12286395
Jurisdiction
US
Status
granted
Grant date
Apr 29, 2025
Expiration
Apr 24, 2045
Claims
18
CPC classes
A61K, A61K47/18, A61K47/20, A61P
View on Google Patents ↗

Quick answer

US 12286395 (Method of synthesis of an ionizable cationic lipid) is held by ARCTURUS THERAPEUTICS, INC.. Status: granted. Granted Apr 29, 2025. Expires Apr 24, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K47/18, A61K47/20, A61P, A61P29/00, A61P35/00

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Frequently asked questions

What is US patent 12286395?

US 12286395 (Method of synthesis of an ionizable cationic lipid) is held by ARCTURUS THERAPEUTICS, INC.. Status: granted. Granted Apr 29, 2025. Expires Apr 24, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12286395?

ARCTURUS THERAPEUTICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 55 pharmaceutical patents for this assignee.

When does US 12286395 expire?

Our index shows an expiration date of Apr 24, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.