US 12488918 — Patent Expiration

NEODYMIUM-IRON-BORON MAGNET MATERIAL, RAW MATERIAL COMPOSITION PREPARATION METHOD, AND APPLICATION

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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 12488918

Neodymium-iron-boron Magnet Material, Raw Material Composition Preparation Method, And Application

High Confidence

Application No. 17785044

July 1, 2042

16y 1d remaining

Could not fetch continuity data for application PCTCN2021077178: Resource not found (404)

Earliest effective filing

Feb 22, 2021

+ 20 years

Feb 22, 2041

PTA +494d

Jul 1, 2042

No TD

—

Final

Jul 1, 2042

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

June 13, 2022

Earliest Effective Filing

February 22, 2021

Issue Date

December 2, 2025

PTA

+494 days

Base Expiry (before PTA)

February 22, 2041

February 22, 2021 + 20 years = February 22, 2041 + 494 PTA days = July 1, 2042

National Stage Entry of application PCTCN2021077178, filed Feb 22, 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.