Wednesday, July 8, 2026

Patent intelligence · US

US 11517584

RNAi agents for Hepatitis B virus infection

granted A61KA61K31/675A61K31/7088A61K31/7105
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 16
Applicant portfolio 126
Related coverage 1
Patent details — US 11517584

Quick answer

US 11517584 (RNAi agents for Hepatitis B virus infection) is held by Arrowhead Pharmaceuticals, Inc.. Status: granted. Granted Dec 6, 2022. Expires Dec 1, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
58
CPC classes
A61K, A61K31/675, A61K31/7088, A61K31/7105, A61K9/0019, A61P

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Frequently asked questions

What is US patent 11517584?

US 11517584 (RNAi agents for Hepatitis B virus infection) is held by Arrowhead Pharmaceuticals, Inc.. Status: granted. Granted Dec 6, 2022. Expires Dec 1, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11517584?

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 11517584 expire?

Our index shows an expiration date of Dec 1, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.