Wednesday, July 8, 2026

Patent intelligence · US

US 10273477

Therapeutic compositions

granted A61KA61K31/713A61K47/554A61P
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 13
Applicant portfolio 379
Patent details — US 10273477
Jurisdiction
US
Status
granted
Grant date
Apr 30, 2019
Expiration
Apr 25, 2039
Claims
20
CPC classes
A61K, A61K31/713, A61K47/554, A61P
View on Google Patents ↗

Quick answer

US 10273477 (Therapeutic compositions) is held by Alnylam Pharmaceuticals, Inc.. Status: granted. Granted Apr 30, 2019. Expires Apr 25, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K31/713, A61K47/554, A61P, A61P3/10

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Frequently asked questions

What is US patent 10273477?

US 10273477 (Therapeutic compositions) is held by Alnylam Pharmaceuticals, Inc.. Status: granted. Granted Apr 30, 2019. Expires Apr 25, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10273477?

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 10273477 expire?

Our index shows an expiration date of Apr 25, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.