US 12649977 — Patent Expiration

ELECTROCHEMICAL SYSTEMS AND METHODS OF USE

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Important: This calculator does not include patent term extension under 35 U.S.C. § 156, which may apply to certain drug, biologic, animal drug, and medical device patents.

Learn more about PTE and patent expiration

US 12649977

Electrochemical Systems And Methods Of Use

High Confidence

Application No. 18040189

March 31, 2043

16y 274d 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 Calculation

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

PRO

63060812 — Provisional — not used for base term

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

Data 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.