US 12,691,309 · Application 18/534,604 · Granted Jul 28, 2026
US 12,691,309
Ember armor wildfire protection sprinkler
Estimated expiration
October 6, 2044
17y 352d remaining
Earliest effective filing
Dec 9, 2023
+ 20 years
Dec 9, 2043
PTA +302d
Oct 6, 2044
No TD
—
Final
Oct 6, 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
- December 9, 2023
- Earliest effective filing
- December 9, 2023
- Issue date
- July 28, 2026
- PTA
- +302 days
- Base expiry (before PTA)
- December 9, 2043
December 9, 2023 + 20 years = December 9, 2043 + 302 PTA days = October 6, 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 18/534,604 · US 12,691,309
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www.patentreply.ai/tools/patent-expiration/US12691309Data 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.