Wednesday, July 8, 2026

Patent intelligence · US

US 9012594

Catalyst and byproduct-free native chemical ligation using cyclic thioester precursors

granted A61KA61K47/34A61PA61P29/00
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 9
Applicant portfolio 595
Patent details — US 9012594
Jurisdiction
US
Status
granted
Grant date
Apr 21, 2015
Expiration
Apr 16, 2035
Claims
22
CPC classes
A61K, A61K47/34, A61P, A61P29/00
View on Google Patents ↗

Quick answer

US 9012594 (Catalyst and byproduct-free native chemical ligation using cyclic thioester precursors) is held by Northwestern University. Status: granted. Granted Apr 21, 2015. Expires Apr 16, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
22
CPC classes
A61K, A61K47/34, A61P, A61P29/00

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Frequently asked questions

What is US patent 9012594?

US 9012594 (Catalyst and byproduct-free native chemical ligation using cyclic thioester precursors) is held by Northwestern University. Status: granted. Granted Apr 21, 2015. Expires Apr 16, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9012594?

Northwestern University is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 595 pharmaceutical patents for this assignee.

When does US 9012594 expire?

Our index shows an expiration date of Apr 16, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.