US 12,609,224 · Application 17/639,366 · Granted Apr 21, 2026
US 12,609,224
Neodymium-iron-boron magnet material, raw material composition,preparation method therefor and use thereof
Estimated expiration
January 22, 2043
16y 110d remaining
- Could not fetch continuity data for application PCTCN2020100588: Resource not found (404)
Earliest effective filing
Jul 7, 2020
+ 20 years
Jul 7, 2040
PTA +929d
Jan 22, 2043
No TD
—
Final
Jan 22, 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
- Filing date
- March 1, 2022
- Earliest effective filing
- July 7, 2020
- Issue date
- April 21, 2026
- PTA
- +929 days
- Base expiry (before PTA)
- July 7, 2040
July 7, 2020 + 20 years = July 7, 2040 + 929 PTA days = January 22, 2043
- National stage entry of application PCTCN2020100588, filed Jul 7, 2020
Terminal disclaimers
Patent term extension under 35 U.S.C. §156, which can apply to certain drug, biologic, animal drug and medical device patents, is not included in this calculation. How PTE is calculated
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Application 17/639,366 · US 12,609,224
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www.patentreply.ai/tools/patent-expiration/US12609224Data 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.