Wednesday, July 8, 2026

Patent intelligence · US

US 12188020

Methods for reducing Ataxin-2 expression

granted A61KA61K31/7088A61PA61P25/28
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 18
Applicant portfolio 222
Patent details — US 12188020
Jurisdiction
US
Status
granted
Grant date
Jan 7, 2025
Expiration
Jan 2, 2045
Claims
45
CPC classes
A61K, A61K31/7088, A61P, A61P25/28
View on Google Patents ↗

Quick answer

US 12188020 (Methods for reducing Ataxin-2 expression) is held by Ionis Pharmaceuticals, Inc.. Status: granted. Granted Jan 7, 2025. Expires Jan 2, 2045 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
45
CPC classes
A61K, A61K31/7088, A61P, A61P25/28

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Frequently asked questions

What is US patent 12188020?

US 12188020 (Methods for reducing Ataxin-2 expression) is held by Ionis Pharmaceuticals, Inc.. Status: granted. Granted Jan 7, 2025. Expires Jan 2, 2045 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12188020?

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 12188020 expire?

Our index shows an expiration date of Jan 2, 2045 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.