Wednesday, July 8, 2026

Patent intelligence · US

US 11111494

Compositions for modulating Ataxin 2 expression

granted A61PA61P21/00A61P25/00A61P25/16
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 15
Applicant portfolio 222
Patent details — US 11111494
Jurisdiction
US
Status
granted
Grant date
Sep 7, 2021
Expiration
Sep 2, 2041
Claims
27
CPC classes
A61P, A61P21/00, A61P25/00, A61P25/16
View on Google Patents ↗

Quick answer

US 11111494 (Compositions for modulating Ataxin 2 expression) is held by Ionis Pharmaceuticals, Inc.. Status: granted. Granted Sep 7, 2021. Expires Sep 2, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
27
CPC classes
A61P, A61P21/00, A61P25/00, A61P25/16, A61P25/28

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Frequently asked questions

What is US patent 11111494?

US 11111494 (Compositions for modulating Ataxin 2 expression) is held by Ionis Pharmaceuticals, Inc.. Status: granted. Granted Sep 7, 2021. Expires Sep 2, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11111494?

Ionis Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 222 pharmaceutical patents for this assignee.

When does US 11111494 expire?

Our index shows an expiration date of Sep 2, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.