Patent No. EP2007682 (titled "Composition Based On Zirconium Oxide And Cerium Oxide, With A High Reproducibility And A Stable Specific Surface Area, Method Of Preparation And Use In The Treatment Of Exhaust Gases") was filed by Rhodia Operations on Mar 19, 2007. The application was issued on Jun 8, 2022.

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 |
|---|---|---|
| NEO CHEMICALS & OXIDES EUROPE | Feb 6, 2017 | BIRD & BIRD |
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
Jun 9, 2022
May 12, 2022
May 12, 2022
May 6, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Jan 14, 2022
Jan 14, 2022
Jan 10, 2022
Dec 28, 2021
Dec 28, 2021
Dec 28, 2021
Dec 28, 2021
Jul 22, 2021
Jul 6, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Jun 29, 2021
Mar 19, 2021
Mar 19, 2021
Feb 17, 2021
Feb 17, 2021
Feb 12, 2021
Feb 12, 2021
Feb 12, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 8, 2021
Feb 2, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Dec 18, 2020
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Dec 9, 2020
Nov 12, 2020
Nov 6, 2020
Nov 6, 2020
Nov 6, 2020
Oct 29, 2020
Oct 16, 2020
Aug 27, 2020
Aug 21, 2020
Aug 21, 2020
Aug 21, 2020
Aug 13, 2020
Aug 7, 2020
Aug 7, 2020
Aug 7, 2020
Jul 17, 2020
Jul 17, 2020
Jul 16, 2020
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 4, 2020
Jun 3, 2020
May 29, 2020
May 29, 2020
May 29, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Feb 17, 2020
Feb 11, 2020
Feb 11, 2020
Feb 11, 2020
Feb 7, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Feb 4, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Nov 20, 2019
Nov 19, 2019
Nov 14, 2019
Nov 14, 2019
Nov 14, 2019
Nov 14, 2019
Nov 14, 2019
Nov 13, 2019
Nov 13, 2019
Nov 13, 2019
Nov 13, 2019
Nov 13, 2019
Sep 24, 2019
Sep 24, 2019
Aug 13, 2019
Aug 7, 2019
Aug 7, 2019
Aug 5, 2019
Aug 1, 2019
Aug 1, 2019
Aug 1, 2019
Jul 31, 2019
Jul 31, 2019
Jul 31, 2019
Jul 31, 2019
Jul 29, 2019
Jul 29, 2019
Jul 26, 2019
Jul 26, 2019
Jul 26, 2019
Jul 26, 2019
Jul 26, 2019
Jul 25, 2019
Jul 25, 2019
Jul 25, 2019
Jul 22, 2019
Jul 19, 2019
Jul 19, 2019
Jul 17, 2019
Jul 17, 2019
Jul 16, 2019
Jul 16, 2019
Jul 4, 2019
Jul 4, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jul 1, 2019
Jun 28, 2019
Jun 28, 2019
Jun 28, 2019
Jun 28, 2019
Jun 28, 2019
Jun 28, 2019
Jun 28, 2019
Jun 28, 2019
Mar 12, 2019
Mar 12, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Mar 7, 2019
Mar 6, 2019
Mar 4, 2019
Mar 4, 2019
Feb 27, 2019
Feb 27, 2019
Feb 27, 2019
Feb 27, 2019
Feb 22, 2019
Feb 22, 2019
Feb 21, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Oct 24, 2018
Oct 23, 2018
Oct 18, 2018
Oct 18, 2018
Oct 18, 2018
Oct 18, 2018
Oct 18, 2018
Oct 5, 2018
Oct 5, 2018
Oct 5, 2018
Oct 5, 2018
Oct 5, 2018
Sep 27, 2018
Sep 24, 2018
Sep 24, 2018
Sep 24, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Sep 10, 2018
Aug 30, 2018
Aug 30, 2018
Aug 30, 2018
Aug 29, 2018
Aug 28, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Aug 23, 2018
Apr 20, 2018
Apr 3, 2018
Mar 26, 2018
Mar 23, 2018
Mar 21, 2018
Mar 20, 2018
Mar 20, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 16, 2018
Mar 13, 2018
Mar 12, 2018
Mar 8, 2018
Mar 8, 2018
Mar 8, 2018
Mar 7, 2018
Mar 7, 2018
Mar 7, 2018
Mar 7, 2018
Mar 7, 2018
Mar 6, 2018
Mar 6, 2018
Mar 6, 2018
Mar 6, 2018
Mar 6, 2018
Mar 2, 2018
Feb 28, 2018
Feb 23, 2018
Feb 23, 2018
Feb 23, 2018
Feb 23, 2018
Feb 23, 2018
Feb 22, 2018
Feb 21, 2018
Feb 21, 2018
Feb 21, 2018
Feb 21, 2018
Feb 21, 2018
Feb 20, 2018
Feb 20, 2018
Feb 19, 2018
Feb 12, 2018
Feb 12, 2018
Feb 12, 2018
Jan 29, 2018
Jan 26, 2018
Jan 23, 2018
Jan 23, 2018
Jan 23, 2018
Jan 23, 2018
Jan 23, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Jan 18, 2018
Oct 6, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Oct 1, 2017
Aug 1, 2017
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Mar 13, 2017
Mar 13, 2017
Mar 8, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
May 4, 2016
Apr 7, 2016
Mar 21, 2016
Mar 21, 2016
Mar 21, 2016
Mar 21, 2016
Mar 21, 2016
Dec 11, 2015
Dec 11, 2015
Dec 11, 2015
Dec 11, 2015
Mar 26, 2015
Feb 9, 2015
Feb 9, 2015
Apr 16, 2013
Apr 2, 2013
Apr 2, 2013
Apr 2, 2013
Apr 2, 2013
Mar 29, 2013
Mar 29, 2013
Mar 29, 2013
Mar 29, 2013
Mar 29, 2013
Mar 29, 2013
Mar 29, 2013
Feb 14, 2013
Nov 5, 2012
Oct 30, 2012
Oct 29, 2012
Oct 29, 2012
Jun 26, 2012
Jun 26, 2012
Jun 21, 2012
Jun 21, 2012
Nov 11, 2009
Oct 30, 2009
Oct 30, 2009
Oct 28, 2009
Oct 28, 2009
Oct 28, 2009
Jul 22, 2009
Jul 22, 2009
Dec 5, 2008
Dec 3, 2008
Nov 19, 2008
Nov 19, 2008
Nov 19, 2008
Nov 5, 2008
Oct 15, 2008
Oct 15, 2008
Oct 15, 2008
Aug 1, 2008
Oct 22, 2007
Sep 27, 2007
Sep 27, 2007
Sep 27, 2007
Apr 4, 2007
Mar 19, 2007
Mar 19, 2007
Mar 19, 2007