Patent No. EP1597161 (titled "Carton With Pour Spout") was filed by Elopak Systems on Feb 25, 2004. The application was issued on Dec 14, 2016.

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 |
|---|---|---|
| TETRA LAVAL & FINANCE | Aug 17, 2017 | BECK GREENER |
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
May 28, 2019
May 28, 2019
May 23, 2019
May 14, 2019
Apr 23, 2019
Apr 9, 2019
Feb 14, 2019
Feb 12, 2019
Feb 12, 2019
Feb 12, 2019
Feb 12, 2019
Feb 12, 2019
Feb 12, 2019
Feb 12, 2019
Jan 28, 2019
Jan 28, 2019
Jan 17, 2019
Jan 17, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Jan 11, 2019
Aug 3, 2018
Aug 1, 2018
Jul 26, 2018
Jul 23, 2018
Jul 23, 2018
Jul 23, 2018
Jul 23, 2018
Jul 23, 2018
Jul 23, 2018
Jul 23, 2018
Mar 9, 2018
Mar 8, 2018
Mar 8, 2018
Mar 6, 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
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Feb 28, 2018
Oct 20, 2017
Oct 20, 2017
Aug 23, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Aug 17, 2017
Dec 14, 2016
Nov 17, 2016
Oct 31, 2016
Oct 31, 2016
Oct 31, 2016
Oct 31, 2016
Oct 31, 2016
Oct 31, 2016
Aug 31, 2016
Aug 31, 2016
Aug 31, 2016
Aug 31, 2016
Aug 31, 2016
Aug 30, 2016
Aug 25, 2016
Aug 23, 2016
Jul 26, 2016
Jul 15, 2016
Jul 15, 2016
Jul 14, 2016
Jul 14, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 11, 2016
Jul 7, 2016
Jun 1, 2016
May 23, 2016
May 11, 2016
Dec 23, 2015
Dec 23, 2015
Aug 28, 2015
Aug 28, 2015
Aug 28, 2015
Aug 28, 2015
Aug 28, 2015
Apr 21, 2015
Apr 21, 2015
Apr 16, 2013
Apr 16, 2013
Apr 16, 2013
Feb 15, 2013
Feb 12, 2013
Oct 10, 2012
Oct 10, 2012
May 30, 2012
May 30, 2012
Mar 8, 2012
Mar 8, 2012
Mar 8, 2012
Mar 8, 2012
Mar 8, 2012
Jan 12, 2012
Jan 9, 2012
Jan 9, 2012
Jan 9, 2012
Sep 1, 2011
Sep 1, 2011
Oct 12, 2005
Oct 10, 2005
Sep 7, 2005
Sep 7, 2005
Jul 15, 2005
Sep 27, 2004
Sep 9, 2004
Sep 9, 2004
May 21, 2004
Apr 2, 2004
Apr 2, 2004
Apr 2, 2004
Apr 2, 2004