US 12,618,978 · Application 18/072,211 · Granted May 5, 2026
US 12,618,978
Demodulating qzss signals
Estimated expiration
March 27, 2044
17y 205d remaining
Earliest effective filing
Nov 30, 2022
+ 20 years
Nov 30, 2042
PTA +483d
Mar 27, 2044
No TD
—
Final
Mar 27, 2044
This calculation includes patent term adjustment (PTA) under 35 U.S.C. §154(b). Patent term extension (PTE) under 35 U.S.C. §156 (for FDA-regulated products) is not included.
Calculation details
Base term
- 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
November 30, 2022 + 20 years = November 30, 2042 + 483 PTA days = March 27, 2044
Continuity chain
No continuity chain; the patent’s own filing date was used.
Terminal disclaimers
Patent term extension under 35 U.S.C. §156, which can apply to certain drug, biologic, animal drug and medical device patents, is not included in this calculation. How PTE is calculated
The prosecution record for your AI
Application 18/072,211 · US 12,618,978
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www.patentreply.ai/tools/patent-expiration/US12618978Data 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.