www.patentreply.ai/tools/patent-expiration/US7304174Important: This calculator does not include patent term extension under 35 U.S.C. § 156, which may apply to certain drug, biologic, animal drug, and medical device patents.
Learn more about PTE and patent expirationCasr Antagonist
Application No. 10830480
September 24, 2025
Expired 283 days agoEarliest effective filing
Apr 23, 2004
+ 20 years
Apr 23, 2024
PTA +519d
Sep 24, 2025
No TD
—
Final
Sep 24, 2025
Filing Date
April 23, 2004
Earliest Effective Filing
April 23, 2004
Issue Date
December 4, 2007
PTA
+519 days
Base Expiry (before PTA)
April 23, 2024
Data sourced from public USPTO records. This tool provides informational estimates and should not be relied upon as legal advice. Always verify patent expiration dates independently, especially where patent term extension, terminal disclaimers, or unusual continuity issues may apply.