Patent No. EP3463656 (titled "Selective Hydrogenation Catalyst Comprising An Extruded Support") was filed by IFP Energies Nouvelles on Apr 24, 2017. The application was issued on Jun 10, 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 |
|---|---|---|
| JOHNSON MATTHEY PUBLIC | Feb 24, 2021 | LORKIN |
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
Jun 20, 2023
Jun 20, 2023
Jun 15, 2023
May 16, 2023
Mar 20, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Sep 14, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 7, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Aug 16, 2022
Aug 8, 2022
Aug 8, 2022
Aug 8, 2022
May 3, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Jul 23, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Mar 22, 2021
Mar 22, 2021
Mar 1, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Jun 22, 2020
May 14, 2020
Mar 19, 2020
Mar 19, 2020
Mar 19, 2020
Mar 19, 2020
Mar 19, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Jan 8, 2020
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Sep 24, 2019
Sep 24, 2019
Sep 11, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Jul 17, 2019
Apr 10, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Mar 19, 2019
Mar 13, 2019
Mar 7, 2019
Jan 22, 2019
Jan 16, 2019
Jan 16, 2019
Jan 16, 2019
Jan 15, 2019
Dec 21, 2018
Nov 19, 2018
Nov 19, 2018
Oct 12, 2018
Mar 14, 2018
Mar 14, 2018
Feb 21, 2018
Dec 7, 2017
Dec 7, 2017
Dec 7, 2017
Jun 16, 2017
Jun 16, 2017
Jun 14, 2017
Jun 14, 2017
Jun 14, 2017
May 3, 2017
May 2, 2017
Apr 26, 2017
Apr 24, 2017
Apr 24, 2017
Apr 24, 2017
Apr 24, 2017
Apr 24, 2017
Apr 24, 2017
Apr 24, 2017