Wednesday, July 8, 2026

Patent intelligence · US

US 9914927

RNAi inhibition of alpha-ENaC expression

granted A61KA61K31/713A61K45/06A61P
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 12
Applicant portfolio 126
Related coverage 1
Patent details — US 9914927

Quick answer

US 9914927 (RNAi inhibition of alpha-ENaC expression) is held by Arrowhead Pharmaceuticals, Inc.. Status: granted. Granted Mar 13, 2018. Expires Mar 8, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K31/713, A61K45/06, A61P, A61P11/00, A61P11/06

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Frequently asked questions

What is US patent 9914927?

US 9914927 (RNAi inhibition of alpha-ENaC expression) is held by Arrowhead Pharmaceuticals, Inc.. Status: granted. Granted Mar 13, 2018. Expires Mar 8, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9914927?

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 9914927 expire?

Our index shows an expiration date of Mar 8, 2038 (12 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.