Patent No. EP2763791 (titled "Oxidation Catalyst For Internal Combustion Engine Exhaust Gas Treatment") was filed by Johnson Matthey Japan Godo Kaisha on Oct 5, 2012. The application was issued on Sep 30, 2015.

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 |
|---|---|---|
| UMICORE | Jun 30, 2016 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
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
Dec 18, 2018
Dec 17, 2018
Dec 12, 2018
Dec 12, 2018
Dec 12, 2018
Dec 11, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 3, 2018
Sep 10, 2018
Sep 7, 2018
Aug 29, 2018
Aug 29, 2018
Aug 29, 2018
Aug 6, 2018
Jul 30, 2018
May 28, 2018
May 25, 2018
May 18, 2018
Feb 27, 2018
Feb 27, 2018
Feb 22, 2018
Feb 22, 2018
Feb 21, 2018
Feb 21, 2018
Feb 21, 2018
Jan 5, 2018
Dec 21, 2017
Dec 21, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Nov 28, 2017
Oct 6, 2017
Oct 4, 2017
Oct 4, 2017
Oct 4, 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
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
Sep 28, 2017
Sep 26, 2017
Sep 25, 2017
Sep 25, 2017
Sep 25, 2017
Sep 6, 2017
Sep 6, 2017
Aug 18, 2017
May 15, 2017
May 13, 2017
May 12, 2017
May 4, 2017
May 3, 2017
May 3, 2017
May 3, 2017
May 3, 2017
May 3, 2017
May 3, 2017
May 3, 2017
Apr 27, 2017
Dec 16, 2016
Dec 9, 2016
Dec 9, 2016
Dec 9, 2016
Dec 9, 2016
Dec 9, 2016
Dec 9, 2016
Dec 9, 2016
Aug 5, 2016
Aug 5, 2016
Jul 8, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Jun 30, 2016
Oct 1, 2015
Sep 3, 2015
Aug 27, 2015
Aug 19, 2015
Aug 19, 2015
Aug 19, 2015
Aug 19, 2015
Aug 19, 2015
Apr 23, 2015
Apr 23, 2015
Apr 23, 2015
Apr 23, 2015
Apr 15, 2015
Feb 27, 2015
Nov 20, 2014
Nov 20, 2014
Nov 20, 2014
Nov 20, 2014
Nov 20, 2014
Nov 20, 2014
Nov 20, 2014
Nov 20, 2014
Jul 16, 2014
May 16, 2014
May 14, 2014
May 9, 2014
May 9, 2014
May 9, 2014
May 9, 2014
May 9, 2014
May 9, 2014
May 9, 2014
May 9, 2014
May 9, 2014
May 9, 2014
May 9, 2014
Apr 25, 2014
Mar 17, 2014
Mar 6, 2014
Mar 6, 2014
Mar 6, 2014
Mar 6, 2014
Mar 6, 2014
Feb 14, 2014
May 30, 2013
May 30, 2013
May 2, 2013
May 2, 2013
May 2, 2013
May 2, 2013
Apr 11, 2013
Mar 28, 2013
Mar 28, 2013
Mar 28, 2013
Jan 16, 2013
Oct 12, 2012
Oct 12, 2012
Oct 12, 2012
Oct 12, 2012