US 12,272,472 · Application 17/600,103 · Granted Apr 8, 2025
US 12,272,472
Rare earth permanent magnet material, raw material composition,preparation method, application, and motor
Estimated expiration
October 1, 2041
14y 362d 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
- 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 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 17/600,103 · US 12,272,472
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www.patentreply.ai/tools/patent-expiration/US12272472Data 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.