US 10,381,139 · Application 15/185,430 · Granted Aug 13, 2019
US 10,381,139
W-containing r-fe-b-cu sintered magnet and quenching alloy
Estimated expiration
November 25, 2035
9y 50d remaining
- Could not fetch continuity data for application PCTCN2015075512: Resource not found (404)
Earliest effective filing
Mar 31, 2015
+ 20 years
Mar 31, 2035
PTA +239d
Nov 25, 2035
No TD
—
Final
Nov 25, 2035
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
- June 17, 2016
- Earliest effective filing
- March 31, 2015
- Issue date
- August 13, 2019
- PTA
- +239 days
- Base expiry (before PTA)
- March 31, 2035
March 31, 2015 + 20 years = March 31, 2035 + 239 PTA days = November 25, 2035
- Continuation of application PCTCN2015075512, filed Mar 31, 2015
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 15/185,430 · US 10,381,139
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www.patentreply.ai/tools/patent-expiration/US10381139Data 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.