US 12272472 — Patent Expiration

RARE EARTH PERMANENT MAGNET MATERIAL, RAW MATERIAL COMPOSITION,PREPARATION METHOD, APPLICATION, AND MOTOR

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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 12272472

Rare Earth Permanent Magnet Material, Raw Material Composition,preparation Method, Application, And Motor

High Confidence

Application No. 17600103

October 1, 2041

15y 93d remaining

Could not fetch continuity data for application PCTCN2020100591: Resource not found (404)

Earliest effective filing

Jul 7, 2020

+ 20 years

Jul 7, 2040

PTA +451d

Oct 1, 2041

No TD

—

Final

Oct 1, 2041

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

September 30, 2021

Earliest Effective Filing

July 7, 2020

Issue Date

April 8, 2025

PTA

+451 days

Base Expiry (before PTA)

July 7, 2040

July 7, 2020 + 20 years = July 7, 2040 + 451 PTA days = October 1, 2041

National Stage Entry of application PCTCN2020100591, filed Jul 7, 2020

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.