Patent No. EP2295547 (titled "Recombinant Co-Expression Of Vitamin K Epoxide Reductase Subunit 1 To Improve Vitamin K Dependant Protein Expression") was filed by Baxalta on Jan 27, 2006. The application was issued on Sep 20, 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 |
|---|---|---|
| APTEVO BIOTHERAPEUTICS | Jun 18, 2018 | GILL JENNINGS & EVERY |
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 28, 2019
Jun 28, 2019
Jun 25, 2019
Apr 1, 2019
Mar 28, 2019
Mar 19, 2019
Mar 13, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Jul 4, 2018
Jul 4, 2018
Jun 26, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Jun 18, 2018
Oct 19, 2017
Oct 11, 2017
Sep 20, 2017
Aug 24, 2017
Aug 7, 2017
Aug 7, 2017
Aug 7, 2017
Aug 7, 2017
Jun 12, 2017
Mar 28, 2017
Mar 28, 2017
Mar 28, 2017
Mar 28, 2017
Mar 28, 2017
Mar 17, 2017
Mar 17, 2017
Mar 16, 2017
Mar 14, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Feb 8, 2017
Nov 7, 2016
Nov 4, 2016
Nov 3, 2016
Nov 3, 2016
Nov 3, 2016
Nov 3, 2016
May 10, 2016
May 10, 2016
May 10, 2016
May 10, 2016
May 10, 2016
May 10, 2016
Nov 27, 2015
Nov 27, 2015
Nov 17, 2015
Nov 16, 2015
Nov 16, 2015
Nov 16, 2015
Oct 28, 2015
Oct 23, 2015
Oct 23, 2015
Oct 23, 2015
Oct 23, 2015
Oct 23, 2015
Oct 23, 2015
Oct 16, 2015
Oct 16, 2015
Oct 16, 2015
Oct 16, 2015
Aug 7, 2015
Mar 10, 2015
Feb 27, 2015
Oct 27, 2014
Oct 27, 2014
Sep 26, 2014
Mar 6, 2013
Sep 10, 2012
Aug 27, 2012
Aug 27, 2012
Aug 27, 2012
Aug 27, 2012
Jul 3, 2012
Jun 5, 2012
May 25, 2012
Mar 26, 2012
Mar 15, 2012
Nov 15, 2011
Nov 15, 2011
Sep 14, 2011
Sep 14, 2011
Sep 14, 2011
Sep 14, 2011
Sep 13, 2011
Sep 13, 2011
Sep 13, 2011
Sep 13, 2011
Jul 8, 2011
Mar 21, 2011
Feb 16, 2011
Feb 9, 2011
Jan 31, 2011
Jan 31, 2011
Jan 31, 2011
Nov 26, 2010
Nov 26, 2010
Nov 9, 2010
Oct 12, 2010
Sep 27, 2010
Sep 27, 2010
Sep 27, 2010
Sep 27, 2010
Sep 27, 2010
Sep 27, 2010
Sep 27, 2010
Sep 27, 2010
Sep 27, 2010
Sep 19, 2006