Wednesday, July 8, 2026

Patent intelligence · US

US 6593307

Cyclic-ADP-ribose analogs

expired A61KA61K31/706A61K31/7076A61K45/06
Status expired
Linked drugs 3
Pipeline programs 6
Years to expiry 0
Applicant portfolio 8,292
Patent details — US 6593307
Jurisdiction
US
Status
expired
Grant date
Jul 15, 2003
Expiration
Jul 10, 2023
Claims
24
CPC classes
A61K, A61K31/706, A61K31/7076, A61K45/06
View on Google Patents ↗

Quick answer

US 6593307 (Cyclic-ADP-ribose analogs) is held by Regents of the University of Minnesota. Status: expired. Granted Jul 15, 2003. Expires Jul 10, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
24
CPC classes
A61K, A61K31/706, A61K31/7076, A61K45/06

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Frequently asked questions

What is US patent 6593307?

US 6593307 (Cyclic-ADP-ribose analogs) is held by Regents of the University of Minnesota. Status: expired. Granted Jul 15, 2003. Expires Jul 10, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6593307?

Regents of the University of Minnesota is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 6593307 expire?

Our index shows an expiration date of Jul 10, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.