Patent No. EP2808340 (titled "Recombinant Fsh Including Alpha 2,3- And Alpha 2,6-Sialylation") was filed by Ferring on Apr 16, 2009. The application was issued on Aug 17, 2016.

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 |
|---|---|---|
| MERCK SERONO | May 15, 2017 | WEICKMANN & WEICKMANN PARTMBB |
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
Jan 5, 2022
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Dec 1, 2021
Nov 23, 2021
Nov 23, 2021
Nov 22, 2021
Nov 22, 2021
Nov 17, 2021
Nov 15, 2021
Nov 10, 2021
Nov 10, 2021
Nov 10, 2021
Nov 10, 2021
Nov 10, 2021
Nov 10, 2021
Nov 10, 2021
Nov 9, 2021
Nov 9, 2021
Nov 9, 2021
Nov 9, 2021
Oct 12, 2021
Oct 12, 2021
Oct 7, 2021
Oct 7, 2021
Sep 29, 2021
Sep 7, 2021
Sep 3, 2021
Aug 30, 2021
Aug 30, 2021
Aug 30, 2021
Apr 26, 2021
Apr 26, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 14, 2021
Mar 6, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Dec 4, 2019
Oct 18, 2019
Oct 2, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Sep 24, 2019
Aug 5, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Jul 29, 2019
Mar 19, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Feb 13, 2019
Jan 24, 2019
Jan 21, 2019
Jan 21, 2019
Jan 21, 2019
Jan 17, 2019
Jan 17, 2019
Jan 10, 2019
Jan 9, 2019
Jan 9, 2019
Jan 9, 2019
Nov 20, 2018
Nov 20, 2018
Nov 16, 2018
Nov 16, 2018
Nov 15, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Sep 12, 2018
Aug 16, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Jul 27, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jun 19, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Feb 14, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Feb 7, 2018
Jan 25, 2018
Jan 25, 2018
Jan 23, 2018
Jan 22, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Jan 19, 2018
Nov 14, 2017
Nov 9, 2017
Nov 9, 2017
Nov 6, 2017
Nov 6, 2017
Nov 6, 2017
Nov 6, 2017
Nov 6, 2017
Nov 6, 2017
Nov 6, 2017
Nov 6, 2017
Nov 3, 2017
Nov 3, 2017
Nov 3, 2017
Jun 26, 2017
Jun 26, 2017
May 19, 2017
May 16, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 15, 2017
Aug 18, 2016
Jul 21, 2016
Jun 29, 2016
Jun 29, 2016
Jun 29, 2016
Jun 29, 2016
Jun 29, 2016
Jun 17, 2016
Jun 17, 2016
Jun 17, 2016
Jun 17, 2016
Jun 17, 2016
Jun 17, 2016
May 10, 2016
May 10, 2016
May 10, 2016
Jan 27, 2016
Jan 27, 2016
Jan 27, 2016
Jan 27, 2016
Jan 27, 2016
Jan 27, 2016
Jan 27, 2016
Jan 19, 2016
Jan 19, 2016
Oct 16, 2015
Oct 16, 2015
Oct 16, 2015
Oct 16, 2015
Oct 16, 2015
Aug 14, 2015
Aug 4, 2015
Aug 4, 2015
Aug 4, 2015
Jun 11, 2015
Jun 5, 2015
Jun 5, 2015
Jun 5, 2015
Feb 13, 2015
Feb 13, 2015
Feb 13, 2015
Feb 4, 2015
Dec 8, 2014
Nov 13, 2014
Nov 13, 2014
Nov 13, 2014
Nov 13, 2014
Nov 13, 2014
Nov 13, 2014
Nov 13, 2014
Nov 12, 2014
Nov 5, 2014
Nov 4, 2014
Nov 4, 2014
Nov 4, 2014
Oct 15, 2014
Sep 19, 2014
Sep 19, 2014
Sep 19, 2014
Sep 19, 2014
Aug 26, 2014
Aug 26, 2014
Aug 26, 2014
Aug 26, 2014
Aug 12, 2014
Aug 8, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Jul 28, 2014
Nov 11, 2009
Nov 11, 2009