Friday, July 10, 2026

Patent intelligence · US

US 12178921

Method of lyophilizing lipid nanoparticles

granted A61KA61K31/7105A61K47/10A61K47/12
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 18
Applicant portfolio 55
Patent details — US 12178921
Jurisdiction
US
Status
granted
Grant date
Dec 31, 2024
Expiration
Dec 26, 2044
Claims
16
CPC classes
A61K, A61K31/7105, A61K47/10, A61K47/12
View on Google Patents ↗

Quick answer

US 12178921 (Method of lyophilizing lipid nanoparticles) is held by ARCTURUS THERAPEUTICS, INC.. Status: granted. Granted Dec 31, 2024. Expires Dec 26, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
16
CPC classes
A61K, A61K31/7105, A61K47/10, A61K47/12, A61K48/0033, A61K9/0019

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Frequently asked questions

What is US patent 12178921?

US 12178921 (Method of lyophilizing lipid nanoparticles) is held by ARCTURUS THERAPEUTICS, INC.. Status: granted. Granted Dec 31, 2024. Expires Dec 26, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12178921?

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 12178921 expire?

Our index shows an expiration date of Dec 26, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.