Patent No. EP2749341 (titled "Device And Method For Purification Of Flue Gas Of A Metallurgical Plant") was filed by SMS Group on Dec 20, 2013. The application was issued on Apr 10, 2019.

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 |
|---|---|---|
| PRIMETALS AUSTRIA | Jan 10, 2020 | METALSLINZ |
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
Mar 28, 2023
Mar 9, 2023
Mar 2, 2023
Mar 2, 2023
Mar 2, 2023
Feb 28, 2023
Feb 23, 2023
Feb 15, 2023
Feb 10, 2023
Nov 14, 2022
Nov 10, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Oct 24, 2022
Oct 24, 2022
Oct 19, 2022
Oct 19, 2022
Jul 15, 2022
Jan 31, 2022
Oct 12, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 6, 2021
Sep 29, 2021
Sep 23, 2021
Sep 23, 2021
Sep 23, 2021
Aug 12, 2021
Aug 12, 2021
Aug 9, 2021
Aug 9, 2021
Aug 9, 2021
Aug 6, 2021
Aug 6, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Jun 11, 2021
Jun 9, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
Apr 23, 2021
Apr 13, 2021
Apr 12, 2021
Apr 7, 2021
Mar 29, 2021
Mar 22, 2021
Mar 10, 2021
Mar 8, 2021
Mar 4, 2021
Feb 23, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Jan 20, 2021
Jan 20, 2021
Oct 30, 2020
Oct 30, 2020
Oct 27, 2020
Sep 21, 2020
Sep 17, 2020
Sep 11, 2020
Sep 11, 2020
Sep 11, 2020
Sep 11, 2020
Sep 11, 2020
Jun 4, 2020
May 29, 2020
May 29, 2020
May 29, 2020
May 29, 2020
May 29, 2020
May 29, 2020
May 29, 2020
May 29, 2020
May 29, 2020
May 29, 2020
May 29, 2020
Jan 22, 2020
Jan 22, 2020
Jan 15, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Apr 24, 2019
Mar 14, 2019
Feb 20, 2019
Feb 20, 2019
Feb 20, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Oct 31, 2018
Oct 31, 2018
Oct 31, 2018
Oct 31, 2018
Oct 31, 2018
Aug 21, 2018
Aug 21, 2018
Aug 21, 2018
Aug 21, 2018
Aug 21, 2018
Aug 21, 2018
Aug 21, 2018
Apr 20, 2018
Apr 20, 2018
May 27, 2016
May 27, 2016
May 27, 2016
May 27, 2016
May 27, 2016
May 27, 2016
May 27, 2016
Feb 1, 2016
Feb 1, 2016
Jun 30, 2015
Jun 29, 2015
Jun 22, 2015
Jun 22, 2015
Dec 11, 2014
Dec 11, 2014
Dec 11, 2014
Dec 11, 2014
Dec 11, 2014
Dec 10, 2014
Dec 10, 2014
Dec 10, 2014
Dec 10, 2014
Dec 10, 2014
Oct 10, 2014
Oct 8, 2014
Oct 6, 2014
Jul 7, 2014
Jun 4, 2014
Jun 4, 2014
Jun 4, 2014
Apr 10, 2014
Apr 4, 2014
Mar 20, 2014
Mar 20, 2014
Mar 14, 2014
Mar 14, 2014
Mar 12, 2014
Feb 13, 2014
Feb 13, 2014
Dec 20, 2013
Dec 20, 2013
Dec 20, 2013
Dec 20, 2013
Dec 20, 2013
Dec 20, 2013
Dec 20, 2013
Dec 20, 2013