www.patentreply.ai/tools/patent-expiration/US12618978Important: 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 how PTE is calculatedDemodulating Qzss Signals
Application No. 18072211
March 27, 2044
17y 220d remainingEarliest effective filing
Nov 30, 2022
+ 20 years
Nov 30, 2042
PTA +483d
Mar 27, 2044
No TD
—
Final
Mar 27, 2044
Filing Date
November 30, 2022
Earliest Effective Filing
November 30, 2022
Issue Date
May 5, 2026
PTA
+483 days
Base Expiry (before PTA)
November 30, 2042
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.