Patent No. EP2383309 (titled "Cellular Polyester Made Of Post-Consumer Flakes And The Use Of Products Made Thereof") was filed by Armacell Enterprise on Apr 29, 2010. The application was issued on Nov 20, 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 |
|---|---|---|
| NMC | Aug 23, 2017 | OFFICE FREYLINGER |
| AIREX | Jul 11, 2017 | PATENT UND RECHTSANWALTE BEHRMANN WAGNER PARTG MBB |
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
Oct 24, 2019
Oct 21, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Jul 5, 2019
Jun 28, 2019
Apr 11, 2019
Mar 14, 2019
Mar 11, 2019
Mar 11, 2019
Mar 11, 2019
Mar 11, 2019
Mar 11, 2019
Mar 11, 2019
Mar 11, 2019
Feb 11, 2019
Feb 11, 2019
Feb 11, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Feb 8, 2019
Feb 5, 2019
Feb 5, 2019
Feb 5, 2019
Feb 5, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Jan 8, 2019
Jan 8, 2019
Dec 12, 2018
Dec 12, 2018
Dec 11, 2018
Dec 11, 2018
Dec 7, 2018
Dec 7, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Dec 5, 2018
Dec 5, 2018
Dec 5, 2018
Nov 30, 2018
Nov 30, 2018
Nov 22, 2018
Nov 22, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Aug 13, 2018
Aug 9, 2018
Aug 6, 2018
Aug 6, 2018
Aug 3, 2018
Jul 30, 2018
Jul 24, 2018
Jun 27, 2018
Jun 22, 2018
Jun 22, 2018
Jun 19, 2018
Jun 19, 2018
Jun 19, 2018
Jun 19, 2018
Jun 19, 2018
Jun 19, 2018
Jun 19, 2018
Jun 19, 2018
Jun 19, 2018
Feb 20, 2018
Feb 20, 2018
Feb 12, 2018
Feb 12, 2018
Feb 12, 2018
Feb 12, 2018
Feb 12, 2018
Feb 12, 2018
Feb 12, 2018
Feb 12, 2018
Dec 18, 2017
Nov 10, 2017
Oct 3, 2017
Oct 3, 2017
Oct 3, 2017
Aug 31, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Jul 25, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 12, 2017
Jul 11, 2017
Jul 11, 2017
Jul 11, 2017
Jul 11, 2017
Jul 11, 2017
Jul 11, 2017
Nov 23, 2016
Oct 27, 2016
Oct 7, 2016
Oct 7, 2016
Oct 7, 2016
Oct 7, 2016
Jul 8, 2016
Jul 8, 2016
Jul 8, 2016
Jul 8, 2016
Jul 8, 2016
Apr 27, 2016
Jun 17, 2015
Jun 17, 2015
Jun 17, 2015
Jun 17, 2015
Jun 17, 2015
Feb 11, 2015
Feb 11, 2015
Jan 27, 2015
Dec 22, 2014
Sep 16, 2014
Sep 9, 2014
Sep 9, 2014
Sep 4, 2014
Aug 26, 2014
Jun 26, 2014
Jun 18, 2014
Jun 18, 2014
Jun 13, 2013
Jun 13, 2013
Jun 13, 2013
Jun 13, 2013
Jun 13, 2013
Mar 15, 2013
Mar 15, 2013
Jul 5, 2012
Jun 28, 2012
Nov 7, 2011
Oct 6, 2011
Feb 28, 2011
Feb 28, 2011
Feb 28, 2011
Feb 28, 2011
Feb 28, 2011
Feb 28, 2011
Feb 28, 2011
Nov 26, 2010
Nov 26, 2010
Nov 26, 2010
Oct 26, 2010
Oct 26, 2010
Aug 27, 2010
Aug 27, 2010
Apr 29, 2010
Apr 29, 2010
Apr 29, 2010
Apr 29, 2010
Apr 29, 2010
Apr 29, 2010
Apr 29, 2010
Apr 29, 2010
Apr 29, 2010