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Method For Producing Non-Oriented Electrical Steel Sheet - EP4060059

The patent EP4060059 was granted to Nippon Steel on Feb 26, 2025. The application was filed on Nov 13, 2020 under application number EP20886738A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4060059

NIPPON STEEL
Application Number
EP20886738A
Filing Date
Nov 13, 2020
Status
Granted And Under Opposition
Jan 24, 2025
Publication Date
Feb 26, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status
ARCELORMITTALNov 14, 2025LAVOIXADMISSIBLE

Patent Citations (26) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONJP2019206708
DESCRIPTIONJP4029430B
DESCRIPTIONJPS6319465B
EXAMINATIONEP3140430
INTERNATIONAL-SEARCH-REPORTJP2017145462
INTERNATIONAL-SEARCH-REPORTJP2017193731
INTERNATIONAL-SEARCH-REPORTJP2019019355
INTERNATIONAL-SEARCH-REPORTJP2019178380
INTERNATIONAL-SEARCH-REPORTKR20140084895
OPPOSITIONEP2450117
OPPOSITIONEP3798328
OPPOSITIONEP4134456
OPPOSITIONJP2005213595
OPPOSITIONJP2017145462
OPPOSITIONJP2017193731
OPPOSITIONJP2018141206
OPPOSITIONJP2019019355
OPPOSITIONJP2019178380
OPPOSITIONJP2019206708
OPPOSITIONUS2008202639
OPPOSITIONWO2019225529
SEARCHEP2602335
SEARCHEP3140430
SEARCHEP3214195
SEARCHJP2017193731
SEARCHJP2019178380

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

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