Patent No. EP2137142 (titled "Crystalline Forms Of 2-Y2-Chloro-4-Methylsulfonyl-3-(2,2,2-Trifluoroethoxymethyl)Benzoyl"Cyclohexan-1,3-Dione") was filed by Basf on Mar 14, 2008. The application was issued on Jan 23, 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 |
|---|---|---|
| BAYER CROPSCIENCE AG/BAYER INTELLECTUAL PROPERTY GMBH | Apr 29, 2016 | HOFFMANN EITLE |
| STRAWMAN | Apr 28, 2016 | JUNG |
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 7, 2019
Jan 7, 2019
Dec 21, 2018
Dec 13, 2018
Dec 13, 2018
Dec 13, 2018
Dec 13, 2018
Dec 6, 2018
Nov 16, 2018
Nov 16, 2018
Nov 16, 2018
Nov 16, 2018
Oct 22, 2018
Oct 22, 2018
Oct 16, 2018
Oct 16, 2018
Oct 16, 2018
Aug 17, 2018
Aug 17, 2018
Aug 17, 2018
Aug 6, 2018
May 23, 2018
Apr 19, 2018
Apr 16, 2018
Apr 16, 2018
Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Apr 12, 2018
Nov 13, 2017
Nov 13, 2017
Nov 8, 2017
Nov 8, 2017
Nov 8, 2017
Nov 8, 2017
Nov 8, 2017
Oct 12, 2017
Oct 12, 2017
Oct 12, 2017
Sep 20, 2017
Sep 20, 2017
Sep 20, 2017
Sep 11, 2017
Sep 6, 2017
Sep 6, 2017
Sep 6, 2017
Jul 28, 2017
Jul 21, 2017
Jun 19, 2017
Jun 12, 2017
Jun 12, 2017
Jun 12, 2017
Jun 12, 2017
Jun 12, 2017
Jun 12, 2017
Jun 1, 2017
Jun 1, 2017
Jun 1, 2017
May 15, 2017
May 15, 2017
May 15, 2017
May 8, 2017
May 8, 2017
May 8, 2017
Apr 20, 2017
Mar 20, 2017
Mar 20, 2017
Mar 16, 2017
Mar 16, 2017
Mar 14, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 9, 2017
Mar 9, 2017
Mar 8, 2017
Mar 1, 2017
Mar 1, 2017
Feb 17, 2017
Feb 16, 2017
Feb 15, 2017
Feb 15, 2017
Feb 15, 2017
Feb 15, 2017
Feb 15, 2017
Feb 15, 2017
Feb 15, 2017
Feb 10, 2017
Feb 9, 2017
Feb 9, 2017
Feb 8, 2017
Feb 6, 2017
Feb 6, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Jan 11, 2017
Jan 11, 2017
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Nov 4, 2016
Nov 4, 2016
Nov 4, 2016
Nov 4, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Jul 1, 2016
Jun 29, 2016
Jun 29, 2016
Jun 17, 2016
Jun 17, 2016
Jun 17, 2016
Jun 16, 2016
Jun 16, 2016
Jun 16, 2016
Jun 15, 2016
Jun 15, 2016
Jun 9, 2016
Jun 9, 2016
Jun 2, 2016
May 31, 2016
May 19, 2016
May 19, 2016
May 12, 2016
May 12, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 28, 2016
Apr 28, 2016
Apr 28, 2016
Apr 28, 2016
Mar 8, 2016
Mar 3, 2016
Mar 3, 2016
Mar 3, 2016
Jul 29, 2015
Jul 2, 2015
May 21, 2015
May 21, 2015
May 21, 2015
May 21, 2015
Feb 10, 2015
Feb 10, 2015
Feb 4, 2015
Feb 4, 2015
Feb 4, 2015
Jan 22, 2015
Jan 22, 2015
Jan 22, 2015
Jan 22, 2015
Jan 22, 2015
Jun 26, 2014
Jun 26, 2014
Jun 26, 2014
Jun 26, 2014
Jun 26, 2014
May 16, 2014
Apr 29, 2014
Apr 29, 2014
Jan 30, 2014
Jan 30, 2014
Jan 25, 2014
Jan 23, 2014
Feb 8, 2013
Feb 8, 2013
Feb 8, 2013
Feb 8, 2013
Feb 8, 2013
Feb 8, 2013
Dec 13, 2012
Dec 7, 2012
Dec 7, 2012
Dec 7, 2012
Jul 30, 2012
Jul 30, 2012
May 27, 2010
Dec 2, 2009
Nov 16, 2009
Nov 16, 2009
Nov 9, 2009
Nov 9, 2009
Oct 30, 2009
Sep 23, 2009
Sep 14, 2009
Sep 14, 2009
Jul 22, 2009
Jul 7, 2009
Jul 7, 2009
Jul 7, 2009
Jul 7, 2009
Jul 7, 2009
Jul 7, 2009
Jul 7, 2009
Jul 7, 2009
Jul 6, 2009
Jul 6, 2009
Jul 6, 2009
Feb 4, 2009
Feb 4, 2009
Feb 4, 2009
Jan 15, 2009
Jan 15, 2009
Jan 15, 2009
Dec 23, 2008
Dec 5, 2008
Dec 5, 2008
Dec 5, 2008
Nov 20, 2008
Nov 20, 2008
Oct 27, 2008
Oct 27, 2008
Oct 27, 2008
Oct 27, 2008
Oct 27, 2008
Oct 15, 2008
Sep 18, 2008
Sep 18, 2008
Mar 14, 2008
Mar 14, 2008
Mar 14, 2008
Mar 14, 2008
Mar 14, 2008
Mar 14, 2008