US 12,752,639 · Application 18/947,507 · Granted Oct 6, 2026
US 12,752,639
Systems for auxiliary battery for inverter for electric vehicle
Estimated expiration
December 6, 2044
18y 48d remaining
Earliest effective filing
Nov 14, 2024
+ 20 years
Nov 14, 2044
PTA +22d
Dec 6, 2044
No TD
—
Final
Dec 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
- November 14, 2024
- Earliest effective filing
- November 14, 2024
- Issue date
- October 6, 2026
- PTA
- +22 days
- Base expiry (before PTA)
- November 14, 2044
November 14, 2024 + 20 years = November 14, 2044 + 22 PTA days = December 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
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Application 18/947,507 · US 12,752,639
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www.patentreply.ai/tools/patent-expiration/US12752639Data 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.