Wednesday, July 8, 2026

Patent intelligence · US

US 11858913

Bicyclic pyridazinones and methods of use thereof

granted A61PA61P1/16A61P5/16
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 17
Applicant portfolio 32
Related coverage 1
Patent details — US 11858913

Quick answer

US 11858913 (Bicyclic pyridazinones and methods of use thereof) is held by Aligos Therapeutics, Inc.. Status: granted. Granted Jan 2, 2024. Expires Dec 28, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61P, A61P1/16, A61P5/16

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Related coverage

Frequently asked questions

What is US patent 11858913?

US 11858913 (Bicyclic pyridazinones and methods of use thereof) is held by Aligos Therapeutics, Inc.. Status: granted. Granted Jan 2, 2024. Expires Dec 28, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11858913?

Aligos Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 32 pharmaceutical patents for this assignee.

When does US 11858913 expire?

Our index shows an expiration date of Dec 28, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.