Patent No. EP2571943 (titled "Functionalized Particles And Use Thereof") was filed by Sachtleben Chemie on May 19, 2011. The application was issued on Feb 27, 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.
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
Nov 4, 2020
Nov 4, 2020
Oct 30, 2020
Aug 11, 2020
Jul 29, 2020
Jul 21, 2020
Jul 21, 2020
Jul 21, 2020
Jul 21, 2020
Jul 21, 2020
Jul 21, 2020
Jul 21, 2020
Mar 24, 2020
Mar 20, 2020
Mar 18, 2020
Mar 10, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Sep 30, 2019
Sep 30, 2019
Sep 17, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Sep 12, 2019
Jan 2, 2019
Dec 6, 2018
Nov 28, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 15, 2018
Oct 31, 2018
Oct 31, 2018
Oct 31, 2018
Oct 31, 2018
Oct 31, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
May 7, 2018
May 7, 2018
May 7, 2018
May 7, 2018
May 7, 2018
Jan 17, 2018
Jan 12, 2018
Jan 11, 2018
Jan 11, 2018
Jul 2, 2016
Jul 1, 2016
Mar 30, 2016
Mar 30, 2016
Feb 10, 2016
Feb 8, 2016
Apr 17, 2015
Apr 17, 2015
Apr 17, 2015
Apr 17, 2015
Apr 17, 2015
Feb 26, 2015
Feb 23, 2015
Feb 20, 2015
Oct 10, 2014
Oct 10, 2014
Jun 2, 2014
Oct 14, 2013
Oct 11, 2013
Aug 26, 2013
Jul 15, 2013
Jul 15, 2013
Jul 15, 2013
Jul 10, 2013
Jul 10, 2013
Jul 10, 2013
Feb 27, 2013
Jan 18, 2013
Jan 16, 2013
Jan 7, 2013
Jan 3, 2013
Jan 3, 2013
Nov 27, 2012
Nov 27, 2012
Nov 27, 2012
Nov 14, 2012
Nov 14, 2012
Sep 11, 2012
Sep 11, 2012
Sep 11, 2012
Sep 11, 2012
Sep 11, 2012
Sep 11, 2012
Sep 11, 2012
Sep 11, 2012
Sep 11, 2012
Aug 25, 2012
Aug 25, 2012
Aug 23, 2012
Aug 23, 2012
Jul 24, 2012
Jul 24, 2012
Jul 24, 2012
Apr 24, 2012
Mar 29, 2012
Mar 29, 2012
Mar 23, 2012
Mar 21, 2012
Mar 21, 2012
Mar 21, 2012
Mar 20, 2012
Mar 20, 2012
Mar 20, 2012
Mar 20, 2012
Mar 1, 2012
Mar 1, 2012
Mar 1, 2012
Jan 23, 2012
Jan 23, 2012
Jan 23, 2012
Nov 11, 2011
Nov 11, 2011
Nov 11, 2011
Nov 11, 2011