Patent No. EP2823905 (titled "Warm Press Forming Method And Automobile Frame Component") was filed by JFE Steel on Mar 4, 2013. The application was issued on Mar 25, 2020.

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 |
|---|---|---|
| THYSSENKRUPP STEEL EUROPE | Oct 11, 2017 | COHAUSZ & FLORACK |
| VOESTALPINE STAHL | Oct 11, 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
Feb 27, 2020
Feb 27, 2020
Feb 27, 2020
Feb 21, 2020
Dec 27, 2019
Dec 27, 2019
Dec 27, 2019
Dec 27, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 17, 2019
Dec 17, 2019
Dec 17, 2019
Dec 17, 2019
Dec 17, 2019
Dec 17, 2019
Oct 10, 2019
Oct 10, 2019
Oct 10, 2019
Oct 10, 2019
Oct 2, 2019
Sep 23, 2019
Jun 21, 2019
Jun 17, 2019
Jun 17, 2019
Jun 14, 2019
Jun 13, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Jun 11, 2019
Apr 25, 2019
Apr 11, 2019
Apr 3, 2019
Apr 1, 2019
Apr 1, 2019
Mar 28, 2019
Feb 26, 2019
Jan 24, 2019
Nov 28, 2018
Nov 28, 2018
Nov 28, 2018
Nov 28, 2018
Nov 28, 2018
Nov 28, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Nov 22, 2018
Nov 22, 2018
Nov 22, 2018
Nov 22, 2018
Oct 15, 2018
Oct 15, 2018
Oct 9, 2018
Oct 9, 2018
Oct 9, 2018
Aug 1, 2018
Jul 27, 2018
May 17, 2018
May 17, 2018
May 16, 2018
May 15, 2018
May 15, 2018
May 11, 2018
May 11, 2018
May 11, 2018
May 11, 2018
May 11, 2018
May 11, 2018
May 11, 2018
May 11, 2018
May 11, 2018
Apr 6, 2018
Apr 6, 2018
Mar 29, 2018
Mar 29, 2018
Mar 29, 2018
Mar 29, 2018
Mar 29, 2018
Mar 29, 2018
Mar 29, 2018
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Oct 27, 2017
Oct 23, 2017
Oct 18, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Oct 11, 2017
Jan 11, 2017
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Dec 15, 2016
Dec 1, 2016
Dec 1, 2016
Dec 1, 2016
Dec 1, 2016
Aug 2, 2016
Aug 2, 2016
Aug 2, 2016
Aug 2, 2016
Aug 2, 2016
Jul 25, 2016
Mar 31, 2016
Mar 31, 2016
Mar 31, 2016
Mar 30, 2016
Mar 30, 2016
Mar 30, 2016
Feb 8, 2016
Feb 8, 2016
Feb 2, 2016
Dec 22, 2015
Dec 22, 2015
Dec 21, 2015
Dec 21, 2015
Jun 18, 2015
Jun 1, 2015
Jun 1, 2015
Jun 1, 2015
Apr 28, 2015
Dec 17, 2014
Oct 10, 2014
Oct 10, 2014
Oct 10, 2014
Oct 10, 2014
Sep 22, 2014
Sep 22, 2014
Aug 11, 2014
Aug 11, 2014
Aug 11, 2014
Aug 11, 2014
Aug 11, 2014
Aug 11, 2014
Jul 16, 2014
Oct 1, 2013
Sep 12, 2013
Sep 12, 2013
Sep 12, 2013