Patent No. EP2433601 (titled "Disposable Wearing Article") was filed by Zuiko on Aug 4, 2004. The application was issued on Nov 13, 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 |
|---|---|---|
| ESSITY HYGIENE AND HEALTH AKTIEBOLAG | Jan 24, 2017 | HOFFMANN EITLE |
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
Oct 17, 2019
Oct 17, 2019
Oct 11, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Jul 3, 2019
Jul 3, 2019
Jun 25, 2019
Apr 25, 2019
Apr 18, 2019
Apr 15, 2019
Mar 18, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Mar 13, 2019
Feb 1, 2019
Jan 31, 2019
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Dec 5, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Sep 25, 2018
Sep 14, 2018
Sep 14, 2018
Sep 14, 2018
May 22, 2018
May 22, 2018
May 3, 2018
Apr 9, 2018
Mar 22, 2018
Mar 21, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 19, 2018
Mar 15, 2018
Mar 15, 2018
Feb 6, 2018
Jan 30, 2018
Jan 30, 2018
Jan 30, 2018
Jan 18, 2018
Jan 11, 2018
Dec 22, 2017
Dec 22, 2017
Dec 22, 2017
Dec 11, 2017
Dec 4, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Nov 30, 2017
Aug 18, 2017
Aug 14, 2017
Aug 14, 2017
Aug 14, 2017
Apr 5, 2017
Apr 5, 2017
Mar 7, 2017
Feb 24, 2017
Feb 24, 2017
Feb 24, 2017
Feb 24, 2017
Feb 24, 2017
Feb 24, 2017
Feb 24, 2017
Feb 24, 2017
May 25, 2016
Apr 29, 2016
Apr 18, 2016
Apr 18, 2016
Apr 18, 2016
Apr 18, 2016
Apr 18, 2016
Dec 23, 2015
Dec 23, 2015
Dec 23, 2015
Dec 23, 2015
Dec 23, 2015
Mar 13, 2013
Mar 13, 2013
Mar 13, 2013
Mar 13, 2013
Mar 13, 2013
Mar 13, 2013
Mar 13, 2013
Nov 12, 2012
Nov 12, 2012
Sep 28, 2012
Sep 28, 2012
Sep 28, 2012
Sep 28, 2012
Sep 28, 2012
Sep 28, 2012
Sep 28, 2012
Apr 2, 2012
Mar 6, 2012
Feb 29, 2012
Feb 6, 2012
Feb 6, 2012
Feb 6, 2012
Jan 13, 2012
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Dec 23, 2011
Mar 9, 2005