US 12198840 — Patent Expiration

RARE EARTH PERMANENT MAGNET MATERIAL AND RAW MATERIAL COMPOSITION,PREPARATION METHOD THEREFOR AND USE THEREOF

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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 12198840

Rare Earth Permanent Magnet Material And Raw Material Composition,preparation Method Therefor And Use Thereof

High Confidence

Application No. 17600102

June 13, 2041

14y 348d remaining

Could not fetch continuity data for application PCTCN2020103430: Resource not found (404)

Earliest effective filing

Jul 22, 2020

+ 20 years

Jul 22, 2040

PTA +326d

Jun 13, 2041

No TD

—

Final

Jun 13, 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 22, 2020

Issue Date

January 14, 2025

PTA

+326 days

Base Expiry (before PTA)

July 22, 2040

July 22, 2020 + 20 years = July 22, 2040 + 326 PTA days = June 13, 2041

National Stage Entry of application PCTCN2020103430, filed Jul 22, 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.