Wednesday, July 8, 2026

Patent intelligence · US

US 7923004

4-ethynyl pyrazole derivative compounds and methods for treatment of HCV

granted A61PA61P31/12A61P31/18A61P43/00
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 5
Applicant portfolio 7
Patent details — US 7923004
Jurisdiction
US
Status
granted
Grant date
Apr 12, 2011
Expiration
Apr 7, 2031
Claims
13
CPC classes
A61P, A61P31/12, A61P31/18, A61P43/00
View on Google Patents ↗

Quick answer

US 7923004 (4-ethynyl pyrazole derivative compounds and methods for treatment of HCV) is held by XTL BIOPHARMACEUTICALS LTD.. Status: granted. Granted Apr 12, 2011. Expires Apr 7, 2031 (5 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61P, A61P31/12, A61P31/18, A61P43/00

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Frequently asked questions

What is US patent 7923004?

US 7923004 (4-ethynyl pyrazole derivative compounds and methods for treatment of HCV) is held by XTL BIOPHARMACEUTICALS LTD.. Status: granted. Granted Apr 12, 2011. Expires Apr 7, 2031 (5 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7923004?

XTL BIOPHARMACEUTICALS LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 7 pharmaceutical patents for this assignee.

When does US 7923004 expire?

Our index shows an expiration date of Apr 7, 2031 (5 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.