US 12704747 — Patent Expiration

METHOD AND DEVICE FOR OPTICAL POWER LIMITER

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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 how PTE is calculated

US 12704747

Method And Device For Optical Power Limiter

High Confidence

Application No. 18015022

August 4, 2043

16y 339d remaining

Could not fetch continuity data for application PCTSG2021050403: Resource not found (404)

Earliest effective filing

Jul 9, 2021

+ 20 years

Jul 9, 2041

PTA +756d

Aug 4, 2043

No TD

—

Final

Aug 4, 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

January 6, 2023

Earliest Effective Filing

July 9, 2021

Issue Date

August 11, 2026

PTA

+756 days

Base Expiry (before PTA)

July 9, 2041

July 9, 2021 + 20 years = July 9, 2041 + 756 PTA days = August 4, 2043

National Stage Entry of application PCTSG2021050403, filed Jul 9, 2021

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

Who owns this patent?

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.