Wednesday, July 8, 2026

Patent intelligence · US

US 9944671

Compositions and methods directed to treating liver fibrosis

granted A61PA61P1/16A61P19/04A61P29/00
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 12
Applicant portfolio 379
Patent details — US 9944671
Jurisdiction
US
Status
granted
Grant date
Apr 17, 2018
Expiration
Apr 12, 2038
Claims
8
CPC classes
A61P, A61P1/16, A61P19/04, A61P29/00
View on Google Patents ↗

Quick answer

US 9944671 (Compositions and methods directed to treating liver fibrosis) is held by Alnylam Pharmaceuticals, Inc.. Status: granted. Granted Apr 17, 2018. Expires Apr 12, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
8
CPC classes
A61P, A61P1/16, A61P19/04, A61P29/00, A61P43/00

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Frequently asked questions

What is US patent 9944671?

US 9944671 (Compositions and methods directed to treating liver fibrosis) is held by Alnylam Pharmaceuticals, Inc.. Status: granted. Granted Apr 17, 2018. Expires Apr 12, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9944671?

Alnylam Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 379 pharmaceutical patents for this assignee.

When does US 9944671 expire?

Our index shows an expiration date of Apr 12, 2038 (12 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.