Patent No. EP1367143 (titled "Hot Dip Zinc Plated Steel Sheet Having High Strength And Method For Producing The Same") was filed by JFE Steel on Feb 26, 2002. The application was issued on Jul 20, 2016.

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.
| Company | Opposition Date | Representative |
|---|---|---|
| VOESTALPINE STAHL | Apr 20, 2017 | HGF EUROPE |
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
Aug 19, 2019
Aug 5, 2019
Jul 26, 2019
Jul 26, 2019
Jul 10, 2019
Jul 5, 2019
Jun 21, 2019
Jun 21, 2019
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
May 8, 2019
May 8, 2019
Apr 11, 2019
Apr 3, 2019
Mar 29, 2019
Mar 27, 2019
Mar 25, 2019
Mar 19, 2019
Mar 19, 2019
Mar 11, 2019
Mar 11, 2019
Mar 5, 2019
Mar 1, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 28, 2019
Feb 26, 2019
Jan 31, 2019
Jan 25, 2019
Jan 25, 2019
Jan 25, 2019
Jan 18, 2019
Jan 15, 2019
Jan 15, 2019
Jan 15, 2019
Jan 11, 2019
Jan 11, 2019
Dec 21, 2018
Dec 20, 2018
Dec 20, 2018
Dec 20, 2018
Oct 29, 2018
Oct 29, 2018
Oct 26, 2018
Oct 26, 2018
Oct 25, 2018
Oct 25, 2018
Oct 25, 2018
Oct 25, 2018
Oct 25, 2018
Oct 25, 2018
Sep 25, 2018
Sep 24, 2018
Sep 24, 2018
Sep 21, 2018
Sep 14, 2018
Aug 24, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 6, 2018
Aug 1, 2018
Jul 27, 2018
Jul 26, 2018
Jul 26, 2018
Jul 26, 2018
Jul 26, 2018
Jul 26, 2018
Jul 26, 2018
Jul 26, 2018
Jul 26, 2018
May 28, 2018
May 28, 2018
May 22, 2018
Mar 5, 2018
Mar 2, 2018
Mar 2, 2018
Mar 1, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Jan 8, 2018
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Oct 5, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Jun 2, 2017
May 30, 2017
May 30, 2017
May 23, 2017
May 8, 2017
Apr 20, 2017
Apr 20, 2017
Apr 20, 2017
Apr 20, 2017
Apr 20, 2017
Apr 20, 2017
Apr 20, 2017
Apr 20, 2017
Apr 20, 2017
Jul 20, 2016
Jun 23, 2016
Jun 3, 2016
Jun 3, 2016
Jun 3, 2016
Jun 3, 2016
Feb 29, 2016
Feb 29, 2016
Feb 29, 2016
Feb 29, 2016
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Jun 12, 2015
Jun 12, 2015
Sep 26, 2014
Mar 24, 2014
Nov 27, 2013
Nov 27, 2013
Feb 28, 2008
Jan 9, 2008
Dec 20, 2007
Aug 21, 2007
Aug 21, 2007
Mar 13, 2006
Mar 13, 2006
Jan 11, 2006
Jan 2, 2006
Sep 1, 2005
Sep 1, 2005
Sep 1, 2005
Sep 1, 2005
Aug 2, 2004
Jun 11, 2004
Jun 4, 2004
Jun 4, 2004
Jun 4, 2004
Dec 22, 2003
Nov 25, 2003
Nov 25, 2003
Oct 22, 2003
Oct 7, 2003
Oct 1, 2003
Oct 1, 2003
Oct 1, 2003
Oct 1, 2003
Oct 1, 2003
Jul 11, 2003
Nov 14, 2002
Nov 14, 2002
Nov 14, 2002
Nov 14, 2002
Nov 14, 2002
Nov 14, 2002
Nov 14, 2002
Nov 14, 2002
Sep 10, 2002
Sep 6, 2002
Sep 6, 2002
Sep 6, 2002