US 12638827 — Patent Expiration

Visual Interlock Specification for Industrial Automation

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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 12638827

Visual Interlock Specification For Industrial Automation

High Confidence

Application No. 18297107

February 16, 2043

16y 231d remaining

Could not fetch continuity data for application PCTEP2021073654: Resource not found (404)

Earliest effective filing

Aug 26, 2021

+ 20 years

Aug 26, 2041

PTA +539d

Feb 16, 2043

No TD

—

Final

Feb 16, 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

April 7, 2023

Earliest Effective Filing

August 26, 2021

Issue Date

May 26, 2026

PTA

+539 days

Base Expiry (before PTA)

August 26, 2041

August 26, 2021 + 20 years = August 26, 2041 + 539 PTA days = February 16, 2043

Continuation of application PCTEP2021073654, filed Aug 26, 2021

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.