US 12,655,067 · Application 18/082,247 · Granted Jun 16, 2026
US 12,655,067
High permittivity antiferroelectric and manufacturing method thereof
Estimated expiration
November 23, 2044
18y 76d remaining
Earliest effective filing
Dec 15, 2022
+ 20 years
Dec 15, 2042
PTA +709d
Nov 23, 2044
TD applied
Nov 23, 2044
Final
Nov 23, 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. Terminal disclaimers can affect PTA (In re Cellect, LLC).
Calculation details
Base term
- Filing date
- December 15, 2022
- Earliest effective filing
- December 15, 2022
- Issue date
- June 16, 2026
- PTA
- +709 days
- Base expiry (before PTA)
- December 15, 2042
December 15, 2022 + 20 years = December 15, 2042 + 709 PTA days = November 23, 2044
Continuity chain
No continuity chain; the patent’s own filing date was used.
Terminal disclaimers
TD caps expiration to November 23, 2044
US 12,655,067· Application 18/082,247(from application 18/082,247)Capping patent
High permittivity antiferroelectric and manufacturing method thereof
- Filing date
- Dec 15, 2022
- Earliest effective filing
- Dec 15, 2022
- Issue date
- Jun 16, 2026
- PTA
- +709 days
- Calculated expiration
- Nov 23, 2044
Dec 15, 2022 + 20y + 709d PTA = Nov 23, 2044
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 18/082,247 · US 12,655,067
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www.patentreply.ai/tools/patent-expiration/US12655067Data 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.