Patent No. EP2454196 (titled "Composition Comprising Cerium Oxide And Zirconium Oxide Having A Specific Porosity, Preparation Method Thereof And Use Of Same In Catalysis") was filed by Rhodia Operations on Jul 2, 2010. The application was issued on Mar 21, 2018.

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 | Dec 21, 2018 | 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
Get instant alerts for new documents
Jul 8, 2024
Jul 8, 2024
Jul 8, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jun 3, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 6, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Mar 4, 2024
Mar 4, 2024
Jan 3, 2024
Jan 3, 2024
Dec 12, 2023
Dec 12, 2023
Dec 11, 2023
Dec 11, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Aug 18, 2023
Aug 18, 2023
Aug 8, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Jul 18, 2023
Jul 17, 2023
Jul 17, 2023
Jul 12, 2023
Jul 12, 2023
Sep 22, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Jul 25, 2022
Jun 14, 2022
Jun 9, 2022
Jun 9, 2022
May 9, 2022
May 9, 2022
May 9, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Mar 1, 2022
Mar 1, 2022
Feb 23, 2022
Feb 23, 2022
Feb 23, 2022
Dec 22, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
May 12, 2021
Mar 17, 2021
Mar 17, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Feb 8, 2021
Feb 8, 2021
Oct 29, 2020
Oct 6, 2020
Sep 30, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Aug 14, 2020
Aug 14, 2020
Aug 5, 2020
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
Jul 17, 2020
Jul 17, 2020
Apr 1, 2020
Mar 19, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
May 31, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019
Jan 11, 2019
Jan 11, 2019
Jan 4, 2019
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Apr 3, 2018
Feb 22, 2018
Feb 14, 2018
Feb 6, 2018
Feb 6, 2018
Feb 6, 2018
Feb 6, 2018
Feb 6, 2018
Feb 6, 2018
Jan 30, 2018
Jan 30, 2018
Jan 30, 2018
Jan 17, 2018
Jan 11, 2018
Dec 19, 2017
Dec 19, 2017
Dec 19, 2017
Dec 19, 2017
Dec 19, 2017
Dec 19, 2017
Dec 19, 2017
Nov 16, 2017
Nov 3, 2017
Nov 3, 2017
Aug 11, 2017
Aug 11, 2017
Aug 11, 2017
Aug 11, 2017
Aug 11, 2017
May 18, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
Jan 4, 2017
Jan 4, 2017
Jan 4, 2017
Jan 4, 2017
Jan 4, 2017
Mar 26, 2015
Mar 5, 2015
Mar 5, 2015
Mar 5, 2015
Mar 5, 2015
Mar 5, 2015
Feb 9, 2015
Feb 9, 2015
Nov 17, 2014
Nov 17, 2014
Mar 13, 2013
Mar 1, 2013
Mar 1, 2013
Mar 1, 2013
Mar 1, 2013
Mar 1, 2013
Mar 1, 2013
Mar 1, 2013
Mar 1, 2013
Aug 3, 2012
Aug 3, 2012
Aug 1, 2012
Aug 1, 2012
Aug 1, 2012
Apr 25, 2012
Feb 24, 2012
Feb 8, 2012
Feb 8, 2012
Feb 1, 2012
Nov 25, 2011
Feb 21, 2011
Feb 11, 2011
Jan 20, 2011
Jan 20, 2011
Jan 20, 2011
Sep 3, 2010
Sep 3, 2010
Sep 3, 2010
Jul 16, 2010
Jul 2, 2010
Jul 2, 2010
Jul 2, 2010
Jul 2, 2010
Jul 2, 2010
Jul 2, 2010
Jul 2, 2010