US 12,416,070 · Application 17/635,407 · Granted Sep 16, 2025
US 12,416,070
High-cu and high-al neodymium iron boron magnet and preparation method therefor
Estimated expiration
August 1, 2041
14y 301d remaining
- Could not fetch continuity data for application PCTCN2020100582: Resource not found (404)
Earliest effective filing
Jul 7, 2020
+ 20 years
Jul 7, 2040
PTA +390d
Aug 1, 2041
No TD
—
Final
Aug 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
- Filing date
- February 15, 2022
- Earliest effective filing
- July 7, 2020
- Issue date
- September 16, 2025
- PTA
- +390 days
- Base expiry (before PTA)
- July 7, 2040
July 7, 2020 + 20 years = July 7, 2040 + 390 PTA days = August 1, 2041
- National stage entry of application PCTCN2020100582, 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 17/635,407 · US 12,416,070
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www.patentreply.ai/tools/patent-expiration/US12416070Data 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.