US 12,732,537 · Application 18/221,007 · Granted Sep 8, 2026
US 12,732,537
Enhancing security of quantum communication channels
Estimated expiration
September 9, 2043
16y 318d remaining
Earliest effective filing
Jul 12, 2023
+ 20 years
Jul 12, 2043
PTA +59d
Sep 9, 2043
No TD
—
Final
Sep 9, 2043
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
- July 12, 2023
- Earliest effective filing
- July 12, 2023
- Issue date
- September 8, 2026
- PTA
- +59 days
- Base expiry (before PTA)
- July 12, 2043
July 12, 2023 + 20 years = July 12, 2043 + 59 PTA days = September 9, 2043
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 18/221,007 · US 12,732,537
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www.patentreply.ai/tools/patent-expiration/US12732537Data 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.