Wednesday, July 8, 2026

Patent intelligence · US

US 11661401

2,5-disubstituted 3-methyl pyrazines and 2,5,6-trisubstituted 3-methyl pyrazines as allosteric SHP2 inhibitors

granted A61PA61P35/02A61P35/04
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 17
Applicant portfolio 36
Patent details — US 11661401

Quick answer

US 11661401 (2,5-disubstituted 3-methyl pyrazines and 2,5,6-trisubstituted 3-methyl pyrazines as allosteric SHP2 inhibitors) is held by Revolution Medicines, Inc.. Status: granted. Granted May 30, 2023. Expires May 25, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
11
CPC classes
A61P, A61P35/02, A61P35/04

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Frequently asked questions

What is US patent 11661401?

US 11661401 (2,5-disubstituted 3-methyl pyrazines and 2,5,6-trisubstituted 3-methyl pyrazines as allosteric SHP2 inhibitors) is held by Revolution Medicines, Inc.. Status: granted. Granted May 30, 2023. Expires May 25, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11661401?

Revolution Medicines, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 36 pharmaceutical patents for this assignee.

When does US 11661401 expire?

Our index shows an expiration date of May 25, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.