www.patentreply.ai/tools/patent-expiration/US11109168Important: 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 expirationExternal Device Of Prosthesis Connector
Application No. 15599668
November 10, 2038
12y 120d remainingEarliest effective filing
May 19, 2017
+ 20 years
May 19, 2037
PTA +540d
Nov 10, 2038
No TD
—
Final
Nov 10, 2038
Filing Date
May 19, 2017
Earliest Effective Filing
May 19, 2017
Issue Date
August 31, 2021
PTA
+540 days
Base Expiry (before PTA)
May 19, 2037
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.