US 12,649,977 · Application 18/040,189 · Granted Jun 9, 2026
US 12,649,977
Electrochemical systems and methods of use
Estimated expiration
March 31, 2043
16y 178d remaining
- Could not fetch continuity data for application PCTIL2021050946: Resource not found (404)
Earliest effective filing
Aug 4, 2021
+ 20 years
Aug 4, 2041
PTA +604d
Mar 31, 2043
No TD
—
Final
Mar 31, 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
- February 1, 2023
- Earliest effective filing
- August 4, 2021
- Issue date
- June 9, 2026
- PTA
- +604 days
- Base expiry (before PTA)
- August 4, 2041
August 4, 2021 + 20 years = August 4, 2041 + 604 PTA days = March 31, 2043
- National stage entry of application PCTIL2021050946, filed Aug 4, 2021
- PRO63/060,812 — Provisional — not used for base term
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 18/040,189 · US 12,649,977
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www.patentreply.ai/tools/patent-expiration/US12649977Data 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.