Patent No. EP1473533 (titled "Process And Apparatus For Continuous Drying Of Material, Especially Sewage Sludge.") was filed by Vonplon on Apr 19, 2004. The application was issued on Jun 17, 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.
| Company | Opposition Date | Representative |
|---|---|---|
| SULZLE KLEIN | Mar 17, 2016 | ISFORT |
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
Sep 30, 2021
Sep 22, 2021
Sep 9, 2021
Sep 6, 2021
Sep 3, 2021
Sep 3, 2021
Sep 3, 2021
Sep 3, 2021
Aug 31, 2021
Aug 30, 2021
Aug 30, 2021
Aug 30, 2021
Aug 24, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Apr 22, 2021
Apr 20, 2021
Apr 16, 2021
Apr 16, 2021
Apr 6, 2021
Mar 30, 2021
Mar 30, 2021
Mar 30, 2021
Mar 24, 2021
Mar 18, 2021
Mar 18, 2021
Mar 18, 2021
Feb 17, 2021
Feb 17, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 5, 2021
Jan 22, 2021
Jan 22, 2021
Jan 18, 2021
Dec 18, 2020
Dec 14, 2020
Dec 14, 2020
Dec 14, 2020
Jun 10, 2020
Nov 18, 2019
Nov 18, 2019
Nov 11, 2019
Oct 9, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Aug 9, 2019
Aug 9, 2019
Aug 9, 2019
Aug 2, 2019
Aug 2, 2019
Jun 13, 2019
Oct 16, 2018
Oct 11, 2018
Oct 11, 2018
Oct 11, 2018
Jun 20, 2018
Jun 15, 2018
Jun 15, 2018
Jun 15, 2018
May 3, 2018
May 3, 2018
Apr 20, 2018
Apr 19, 2018
Apr 19, 2018
Apr 19, 2018
Feb 19, 2018
Feb 15, 2018
Feb 15, 2018
Feb 15, 2018
Feb 15, 2018
Feb 13, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Nov 15, 2017
Nov 15, 2017
Oct 17, 2017
Oct 11, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 10, 2017
Oct 5, 2017
Oct 5, 2017
Oct 5, 2017
Oct 5, 2017
Oct 5, 2017
Oct 5, 2017
Oct 5, 2017
Oct 5, 2017
Oct 5, 2017
Oct 4, 2017
Sep 29, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Jan 24, 2017
Jan 23, 2017
Jan 20, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Sep 2, 2016
Aug 26, 2016
Aug 26, 2016
Aug 26, 2016
Aug 26, 2016
Aug 26, 2016
May 25, 2016
May 25, 2016
Apr 25, 2016
Apr 25, 2016
Mar 31, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Jun 17, 2015
May 21, 2015
Apr 28, 2015
Apr 28, 2015
Apr 28, 2015
Jan 8, 2015
Jan 8, 2015
Jan 8, 2015
Jan 8, 2015
Jan 8, 2015
Oct 24, 2014
Oct 24, 2014
Oct 24, 2014
Oct 17, 2014
Oct 17, 2014
Oct 17, 2014
Jul 22, 2014
Jul 22, 2014
Jul 22, 2014
Jul 16, 2014
Jul 16, 2014
Jul 16, 2014
Jun 16, 2014
Jun 16, 2014
Jun 16, 2014
Mar 24, 2011
Mar 24, 2011
Mar 24, 2011
Mar 24, 2011
Mar 24, 2011
Mar 17, 2011
Dec 29, 2010
Dec 29, 2010
Dec 29, 2010
Sep 30, 2010
Sep 30, 2010
Sep 14, 2010
Sep 14, 2010
Sep 14, 2010
Jul 13, 2010
Jul 13, 2010
Jul 8, 2010
May 26, 2010
May 25, 2010
May 19, 2010
Jan 18, 2010
Jan 18, 2010
Sep 9, 2009
Sep 9, 2009
Sep 9, 2009
Sep 9, 2009
Sep 3, 2009
May 15, 2009
May 15, 2009
Mar 4, 2009
Mar 4, 2009
Feb 19, 2009
Feb 19, 2009
Feb 12, 2009
Feb 12, 2009
May 19, 2008
Apr 11, 2008
Apr 11, 2008
Apr 2, 2008
Sep 22, 2004
Apr 19, 2004
Apr 19, 2004
Apr 19, 2004
Apr 19, 2004
Apr 19, 2004
Apr 19, 2004
Apr 19, 2004