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Steel Production From Iron Smelt - EP4237587

The patent EP4237587 was granted to Primetals Austria on Aug 28, 2024. The application was originally filed on Oct 28, 2021 under application number EP21799055A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4237587

PRIMETALS AUSTRIA
Application Number
EP21799055A
Filing Date
Oct 28, 2021
Status
Granted And Under Opposition
Jul 26, 2024
Publication Date
Aug 28, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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

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THYSSENKRUPP STEEL EUROPEMay 23, 2025THYSSENKRUPP STEEL EUROPEADMISSIBLE
ARCELORMITTALMay 13, 2025LAVOIXADMISSIBLE
TATA STEEL IJMUIDENApr 15, 2025GROUP SERVICESADMISSIBLE

Patent Citations (20) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2012251186
INTERNATIONAL-SEARCH-REPORTUS4728360
INTERNATIONAL-SEARCH-REPORTUS5259865
INTERNATIONAL-SEARCH-REPORTUS5417740
INTERNATIONAL-SEARCH-REPORTUS6149709
OPPOSITIONEP1354969
OPPOSITIONEP3954786
OPPOSITIONEP3992309
OPPOSITIONEP4032990
OPPOSITIONJP2012251186
OPPOSITIONUS2010180723
OPPOSITIONUS2015040722
OPPOSITIONUS2805930
OPPOSITIONUS4728360
OPPOSITIONUS5259865
OPPOSITIONUS5417740
OPPOSITIONUS6149709
OPPOSITIONUS6284018
OPPOSITIONWO2021100565
OTHERUS6284018

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.

  • Date

    Description

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