Wednesday, July 8, 2026

Patent intelligence · US

US 9562230

Transferrin/transferrin receptor-mediated siRNA delivery

granted A61KA61K31/7088A61K31/713A61K47/64
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 11
Applicant portfolio 126
Patent details — US 9562230
Jurisdiction
US
Status
granted
Grant date
Feb 7, 2017
Expiration
Feb 2, 2037
Claims
11
CPC classes
A61K, A61K31/7088, A61K31/713, A61K47/64
View on Google Patents ↗

Quick answer

US 9562230 (Transferrin/transferrin receptor-mediated siRNA delivery) is held by Arrowhead Pharmaceuticals, Inc.. Status: granted. Granted Feb 7, 2017. Expires Feb 2, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
11
CPC classes
A61K, A61K31/7088, A61K31/713, A61K47/64, A61K47/644, A61K47/6849

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Frequently asked questions

What is US patent 9562230?

US 9562230 (Transferrin/transferrin receptor-mediated siRNA delivery) is held by Arrowhead Pharmaceuticals, Inc.. Status: granted. Granted Feb 7, 2017. Expires Feb 2, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9562230?

Arrowhead Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 126 pharmaceutical patents for this assignee.

When does US 9562230 expire?

Our index shows an expiration date of Feb 2, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.