Friday, July 10, 2026

Patent intelligence · US

US 12220485

Method of making lipid-encapsulated RNA nanoparticles

granted A61KA61K47/60A61K47/69A61K9/0019
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 19
Applicant portfolio 55
Patent details — US 12220485
Jurisdiction
US
Status
granted
Grant date
Feb 11, 2025
Expiration
Feb 6, 2045
Claims
20
CPC classes
A61K, A61K47/60, A61K47/69, A61K9/0019
View on Google Patents ↗

Quick answer

US 12220485 (Method of making lipid-encapsulated RNA nanoparticles) is held by ARCTURUS THERAPEUTICS, INC.. Status: granted. Granted Feb 11, 2025. Expires Feb 6, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K47/60, A61K47/69, A61K9/0019, A61K9/1271, A61K9/1272

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Frequently asked questions

What is US patent 12220485?

US 12220485 (Method of making lipid-encapsulated RNA nanoparticles) is held by ARCTURUS THERAPEUTICS, INC.. Status: granted. Granted Feb 11, 2025. Expires Feb 6, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12220485?

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 12220485 expire?

Our index shows an expiration date of Feb 6, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.