Wednesday, July 8, 2026

Patent intelligence · US

US 7595326

Synthesis of novel tubulin polymerization inhibitors: benzoylphenylurea (BPU) sulfur analogs

granted A61KA61K31/38A61K31/404A61K31/4152
Status granted
Linked drugs 1
Pipeline programs 1
Years to expiry 3
Applicant portfolio 1
Patent details — US 7595326
Jurisdiction
US
Status
granted
Grant date
Sep 29, 2009
Expiration
Sep 24, 2029
Claims
12
CPC classes
A61K, A61K31/38, A61K31/404, A61K31/4152
View on Google Patents ↗

Quick answer

US 7595326 (Synthesis of novel tubulin polymerization inhibitors: benzoylphenylurea (BPU) sulfur analogs) is held by Champions Biotechnology, Inc. Status: granted. Granted Sep 29, 2009. Expires Sep 24, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
12
CPC classes
A61K, A61K31/38, A61K31/404, A61K31/4152, A61K31/427, A61K31/428

Frequently asked questions

What is US patent 7595326?

US 7595326 (Synthesis of novel tubulin polymerization inhibitors: benzoylphenylurea (BPU) sulfur analogs) is held by Champions Biotechnology, Inc. Status: granted. Granted Sep 29, 2009. Expires Sep 24, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7595326?

Champions Biotechnology, Inc is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 1 pharmaceutical patents for this assignee.

When does US 7595326 expire?

Our index shows an expiration date of Sep 24, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.