Patent No. EP1956881 (titled "Method And Arrangement In Power Transmission Of Forest Machine") was filed by Ponsse OYJ on Nov 27, 2006. The application was issued on Apr 29, 2015.

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
Jun 14, 2018
Jun 14, 2018
Jun 11, 2018
Mar 21, 2018
Mar 19, 2018
Mar 7, 2018
Mar 7, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Jan 31, 2018
Dec 15, 2017
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Dec 5, 2017
Nov 30, 2017
Nov 29, 2017
Nov 29, 2017
Nov 29, 2017
Nov 27, 2017
Nov 27, 2017
Nov 27, 2017
Nov 27, 2017
Nov 27, 2017
Nov 27, 2017
Sep 6, 2017
Aug 30, 2017
Feb 13, 2017
Jan 27, 2017
Jan 19, 2017
Jan 17, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Jul 7, 2016
Jul 4, 2016
Jul 4, 2016
Jul 4, 2016
Mar 8, 2016
Mar 8, 2016
Feb 11, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Jan 29, 2016
Apr 29, 2015
Apr 2, 2015
Mar 19, 2015
Mar 19, 2015
Mar 19, 2015
Mar 19, 2015
Nov 28, 2014
Nov 28, 2014
Nov 28, 2014
Nov 28, 2014
Nov 20, 2014
Nov 13, 2014
Nov 11, 2014
Nov 11, 2014
Nov 11, 2014
Nov 11, 2014
Nov 11, 2014
Nov 11, 2014
Nov 7, 2014
Nov 7, 2014
Nov 7, 2014
Nov 7, 2014
Nov 7, 2014
Aug 5, 2014
Jul 31, 2014
Jul 24, 2014
Jul 24, 2014
Jul 24, 2014
Jul 24, 2014
Jul 7, 2014
Sep 24, 2013
Sep 16, 2013
Apr 8, 2013
Apr 8, 2013
Apr 8, 2013
Apr 8, 2013
Jan 31, 2013
Jan 25, 2013
Jan 25, 2013
Jan 25, 2013
Oct 1, 2012
Oct 1, 2012
Dec 8, 2011
Dec 8, 2011
Dec 8, 2011
Dec 8, 2011
Dec 8, 2011
Sep 26, 2011
Sep 19, 2011
Sep 19, 2011
Sep 19, 2011
May 30, 2011
May 30, 2011
Mar 23, 2011
Mar 23, 2011
Jul 23, 2008
Jul 11, 2008
Jun 25, 2008
Jun 25, 2008
Jun 25, 2008
Jun 25, 2008
Jun 6, 2008
Jun 5, 2008
Jun 5, 2008
Apr 4, 2008
Nov 21, 2007
Jun 18, 2007
May 31, 2007
May 31, 2007