Wednesday, July 8, 2026

Patent intelligence · US

US 12043831

Modulation of alpha synuclein expression

granted A61PA61P21/00A61P25/00A61P25/02
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 18
Applicant portfolio 222
Patent details — US 12043831
Jurisdiction
US
Status
granted
Grant date
Jul 23, 2024
Expiration
Jul 18, 2044
Claims
26
CPC classes
A61P, A61P21/00, A61P25/00, A61P25/02
View on Google Patents ↗

Quick answer

US 12043831 (Modulation of alpha synuclein expression) is held by Ionis Pharmaceuticals, Inc.. Status: granted. Granted Jul 23, 2024. Expires Jul 18, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
26
CPC classes
A61P, A61P21/00, A61P25/00, A61P25/02, A61P25/16, A61P25/28

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Frequently asked questions

What is US patent 12043831?

US 12043831 (Modulation of alpha synuclein expression) is held by Ionis Pharmaceuticals, Inc.. Status: granted. Granted Jul 23, 2024. Expires Jul 18, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12043831?

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 12043831 expire?

Our index shows an expiration date of Jul 18, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.