Patent No. EP3129142 (titled "Shell Impregnated Catalyst And Process For Producing A Shell Impregnated Catalyst Body") was filed by Haldor Topse on Apr 7, 2015. The application was issued on Nov 18, 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 | Aug 16, 2021 | RIDLAND |
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
Jan 18, 2023
Jan 13, 2023
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 4, 2022
Sep 22, 2022
Sep 20, 2022
Sep 20, 2022
Sep 14, 2022
Sep 14, 2022
Sep 14, 2022
Sep 12, 2022
Sep 12, 2022
Sep 12, 2022
May 31, 2022
May 31, 2022
May 19, 2022
May 19, 2022
May 19, 2022
May 19, 2022
May 18, 2022
May 5, 2022
May 5, 2022
May 5, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 2, 2022
May 2, 2022
May 2, 2022
May 2, 2022
May 2, 2022
May 2, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Apr 27, 2022
Mar 28, 2022
Jan 13, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Jan 4, 2022
Sep 3, 2021
Sep 1, 2021
Sep 1, 2021
Aug 20, 2021
Aug 16, 2021
Aug 16, 2021
Aug 16, 2021
Aug 16, 2021
Aug 16, 2021
Nov 30, 2020
Oct 22, 2020
Oct 9, 2020
Oct 9, 2020
Oct 9, 2020
Oct 9, 2020
Oct 9, 2020
Jul 24, 2020
Jul 24, 2020
Jul 24, 2020
Jul 24, 2020
Jul 24, 2020
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Mar 13, 2019
Mar 13, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Jan 31, 2019
Sep 26, 2018
Sep 26, 2018
Jun 8, 2018
May 29, 2018
May 29, 2018
May 29, 2018
May 29, 2018
May 29, 2018
Mar 20, 2018
Dec 11, 2017
Dec 6, 2017
Dec 6, 2017
Dec 6, 2017
Aug 10, 2017
Aug 10, 2017
Aug 3, 2017
May 24, 2017
May 24, 2017
May 24, 2017
Jan 18, 2017
Nov 15, 2016
Nov 11, 2016
Nov 11, 2016
Nov 11, 2016
Nov 11, 2016
Nov 8, 2016
Oct 12, 2016
Oct 12, 2016
Aug 19, 2016
Nov 3, 2015
Oct 15, 2015
Oct 15, 2015
Jul 7, 2015
Jul 7, 2015
Jul 7, 2015
Jul 7, 2015
Apr 7, 2015
Apr 7, 2015
Apr 7, 2015
Apr 7, 2015
Apr 7, 2015