Wednesday, July 8, 2026

Patent intelligence · US

US 11149273

Lipid formulated compositions and methods for inhibiting expression of serum amyloid A gene

granted A61KA61K31/713A61PA61P1/00
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 15
Applicant portfolio 379
Patent details — US 11149273
Jurisdiction
US
Status
granted
Grant date
Oct 19, 2021
Expiration
Oct 14, 2041
Claims
17
CPC classes
A61K, A61K31/713, A61P, A61P1/00
View on Google Patents ↗

Quick answer

US 11149273 (Lipid formulated compositions and methods for inhibiting expression of serum amyloid A gene) is held by Alnylam Pharmaceuticals, Inc.. Status: granted. Granted Oct 19, 2021. Expires Oct 14, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
17
CPC classes
A61K, A61K31/713, A61P, A61P1/00, A61P1/04, A61P1/16

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Frequently asked questions

What is US patent 11149273?

US 11149273 (Lipid formulated compositions and methods for inhibiting expression of serum amyloid A gene) is held by Alnylam Pharmaceuticals, Inc.. Status: granted. Granted Oct 19, 2021. Expires Oct 14, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11149273?

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 11149273 expire?

Our index shows an expiration date of Oct 14, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.