Wednesday, July 8, 2026

Patent intelligence · US

US 11141378

Lipid formulations for nucleic acid delivery

granted A61KA61K31/713A61K48/0025A61K9/1271
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 15
Applicant portfolio 56
Patent details — US 11141378
Jurisdiction
US
Status
granted
Grant date
Oct 12, 2021
Expiration
Oct 7, 2041
Claims
30
CPC classes
A61K, A61K31/713, A61K48/0025, A61K9/1271
View on Google Patents ↗

Quick answer

US 11141378 (Lipid formulations for nucleic acid delivery) is held by ARBUTUS BIOPHARMA CORPORATION. Status: granted. Granted Oct 12, 2021. Expires Oct 7, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
30
CPC classes
A61K, A61K31/713, A61K48/0025, A61K9/1271, A61K9/1272, A61P

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Frequently asked questions

What is US patent 11141378?

US 11141378 (Lipid formulations for nucleic acid delivery) is held by ARBUTUS BIOPHARMA CORPORATION. Status: granted. Granted Oct 12, 2021. Expires Oct 7, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11141378?

ARBUTUS BIOPHARMA CORPORATION is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 56 pharmaceutical patents for this assignee.

When does US 11141378 expire?

Our index shows an expiration date of Oct 7, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.