Patent No. EP2799089 (titled "Process For Preparing A Pharmaceutical Formulation Of Contrast Agents") was filed by Guerbet on Feb 18, 2009. The application was issued on Sep 6, 2017.

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 |
|---|---|---|
| SANOCHEMIA PHARMAZEUTIKA | Apr 27, 2017 | SONN PATENTANWALTE |
| BAYER | Aug 4, 2016 | SANTARELLI |
| AGFA HEALTHCARE | Aug 3, 2016 | - |
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
Dec 21, 2022
Dec 21, 2022
Dec 21, 2022
Dec 21, 2022
Dec 20, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Oct 28, 2022
Oct 28, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 21, 2022
Oct 21, 2022
Oct 21, 2022
Oct 21, 2022
Oct 21, 2022
Oct 20, 2022
Oct 20, 2022
Oct 20, 2022
Oct 20, 2022
Oct 20, 2022
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Oct 14, 2022
Oct 14, 2022
Oct 11, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
Sep 13, 2022
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Aug 25, 2022
Aug 22, 2022
Aug 22, 2022
Aug 22, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 13, 2021
Dec 13, 2021
Dec 10, 2021
Dec 10, 2021
Dec 10, 2021
Dec 9, 2021
Dec 7, 2021
Dec 7, 2021
Dec 7, 2021
Dec 6, 2021
Dec 6, 2021
Dec 6, 2021
May 27, 2021
May 27, 2021
May 27, 2021
May 18, 2021
May 18, 2021
May 18, 2021
May 18, 2021
May 18, 2021
May 18, 2021
May 14, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 5, 2021
Jan 15, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Nov 13, 2020
Nov 12, 2020
Nov 5, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 22, 2020
Oct 22, 2020
Oct 22, 2020
Jul 28, 2020
Jul 23, 2020
Jul 23, 2020
Jul 23, 2020
Jun 5, 2020
Apr 30, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Jan 13, 2020
Jan 13, 2020
Jan 6, 2020
Jan 6, 2020
Jan 6, 2020
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Aug 28, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Aug 22, 2019
Jul 1, 2019
Jun 28, 2019
Jun 28, 2019
Jun 26, 2019
Jun 21, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
May 16, 2019
May 3, 2019
May 3, 2019
May 3, 2019
Apr 29, 2019
Apr 29, 2019
Apr 29, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Feb 7, 2019
Feb 5, 2019
Feb 5, 2019
Feb 5, 2019
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
Feb 1, 2019
Jan 30, 2019
Jan 30, 2019
Jan 30, 2019
Jan 30, 2019
Jan 30, 2019
Jan 30, 2019
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Jan 24, 2019
Jan 24, 2019
Jan 24, 2019
Jan 18, 2019
Jan 18, 2019
Jan 18, 2019
Jan 18, 2019
Jan 17, 2019
Jan 17, 2019
Jan 17, 2019
Jan 14, 2019
Jan 14, 2019
Jan 14, 2019
Jan 14, 2019
Jan 9, 2019
Jan 9, 2019
Jan 9, 2019
Jan 7, 2019
Jan 7, 2019
Jan 7, 2019
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 11, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Jul 26, 2018
Jul 26, 2018
Jul 26, 2018
Jul 18, 2018
Jul 9, 2018
Jul 6, 2018
Jul 6, 2018
Jun 13, 2018
Jun 11, 2018
Jun 8, 2018
Jun 7, 2018
Jun 7, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
May 30, 2018
May 15, 2018
May 15, 2018
May 15, 2018
Apr 27, 2018
Apr 27, 2018
Apr 27, 2018
Apr 27, 2018
Apr 27, 2018
Apr 27, 2018
Apr 27, 2018
Mar 7, 2018
Mar 7, 2018
Mar 7, 2018
Feb 27, 2018
Feb 27, 2018
Feb 27, 2018
Nov 3, 2017
Nov 3, 2017
Nov 3, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Oct 27, 2017
Jul 13, 2017
Jul 13, 2017
Jul 13, 2017
Jul 13, 2017
Jul 10, 2017
Jun 19, 2017
Jun 19, 2017
Jun 19, 2017
Jun 19, 2017
May 9, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Oct 7, 2016
Oct 7, 2016
Sep 2, 2016
Sep 2, 2016
Sep 2, 2016
Aug 24, 2016
Aug 12, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 4, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Jul 7, 2016
Jun 21, 2016
Jun 21, 2016
Jun 21, 2016
Jun 21, 2016
Jun 21, 2016
Jun 3, 2016
Jun 3, 2016
Jun 3, 2016
Jun 3, 2016
Jun 3, 2016
Mar 29, 2016
Mar 29, 2016
Mar 9, 2016
Mar 9, 2016
Mar 9, 2016
Mar 9, 2016
Mar 9, 2016
Mar 9, 2016
Mar 9, 2016
Feb 8, 2016
Feb 8, 2016
Feb 8, 2016
Sep 28, 2015
Sep 28, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Sep 22, 2015
Sep 3, 2015
Sep 3, 2015
Sep 3, 2015
Sep 3, 2015
Sep 3, 2015
Sep 3, 2015
Sep 3, 2015
May 20, 2015
Mar 9, 2015
Feb 3, 2015
Feb 3, 2015
Feb 3, 2015
Oct 13, 2014
Oct 8, 2014
Oct 6, 2014
Sep 26, 2014
Sep 16, 2014
Sep 5, 2014
Jun 13, 2014
Jun 13, 2014
Jun 10, 2014
Jun 10, 2014
Jun 10, 2014
Jun 10, 2014
Jun 10, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Apr 16, 2014
Mar 8, 2013
Mar 8, 2013
Sep 17, 2009
Sep 17, 2009
Sep 17, 2009