The weekly litigation news digest is live. Subscribe now

High-Strength Steel Plate With Excellent Formability, Warm Working Method, And Warm-Worked Automotive Part - EP2641990

The patent EP2641990 was granted to Kabushiki Kaisha Kobe Seiko SHO Kobe Steel on Mar 20, 2019. The application was originally filed on Nov 16, 2011 under application number EP11840864A. The patent is currently recorded with a legal status of "Revoked".

EP2641990

KABUSHIKI KAISHA KOBE SEIKO SHO KOBE STEEL
Application Number
EP11840864A
Filing Date
Nov 16, 2011
Status
Revoked
Mar 26, 2021
Publication Date
Mar 20, 2019
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

Get instant alerts for new oppositions and patent status changes

ARCELORMITTALDec 18, 2019LAVOIX -

Patent Citations (22) New

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

Citation PhasePublication Number
DESCRIPTIONJP20100258152
DESCRIPTIONJP20110180617
DESCRIPTIONJP2003019319
DESCRIPTIONJP2004190050
INTERNATIONAL-SEARCH-REPORTJP2004190050
INTERNATIONAL-SEARCH-REPORTJP2010065272
INTERNATIONAL-SEARCH-REPORTJP2010116593
OPPOSITIONEP0407275
OPPOSITIONEP2746416
OPPOSITIONJP2007327123
OPPOSITIONJP2010065272
OPPOSITIONJP2010258152
OPPOSITIONJP2011180617
OPPOSITIONUS2005150580
OPPOSITIONWO2009048838
SEARCHEP1676932
SEARCHJP2004190050
SEARCHJP2010065272
SEARCHJP2010116593
SEARCHUS2005150580
SEARCHWO2010029983
SEARCHWO2010030021

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

  • Get instant alerts for new documents