Patent No. EP2563537 (titled "Method And Device By Which Moulding Compound To Be Processed Is Kept Moist During The Production Of Moulds Or Cores") was filed by Laempe & Mssner on Apr 8, 2011. The application was issued on Sep 11, 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 |
|---|---|---|
| LÜBER GMBH | May 31, 2017 | DENNEMEYER & ASSOCIATES |
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 2, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Aug 16, 2019
Aug 16, 2019
Aug 9, 2019
Jul 30, 2019
Jul 30, 2019
Jul 30, 2019
Jul 30, 2019
Jul 30, 2019
May 21, 2019
May 21, 2019
May 8, 2019
May 8, 2019
May 7, 2019
May 7, 2019
Apr 25, 2019
Apr 23, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Mar 18, 2019
Mar 18, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Mar 5, 2019
Feb 27, 2019
Feb 27, 2019
Feb 27, 2019
Feb 18, 2019
Jan 18, 2019
Jan 3, 2019
Jan 2, 2019
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Nov 9, 2018
Oct 30, 2018
Oct 24, 2018
Oct 24, 2018
Oct 24, 2018
Oct 24, 2018
Oct 24, 2018
Oct 1, 2018
Sep 12, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
Sep 7, 2018
May 11, 2018
Apr 25, 2018
Apr 19, 2018
Apr 16, 2018
Apr 13, 2018
Apr 13, 2018
Apr 13, 2018
Apr 13, 2018
Apr 13, 2018
Apr 13, 2018
Apr 13, 2018
Nov 15, 2017
Nov 8, 2017
Nov 8, 2017
Nov 7, 2017
Nov 7, 2017
Nov 7, 2017
Jul 7, 2017
Jul 7, 2017
Jun 9, 2017
May 31, 2017
May 31, 2017
May 31, 2017
May 31, 2017
May 31, 2017
May 31, 2017
Sep 1, 2016
Aug 4, 2016
Jul 25, 2016
Jul 18, 2016
Jul 18, 2016
Jul 1, 2016
Jun 10, 2016
Jun 10, 2016
Jun 10, 2016
Jun 10, 2016
Jun 9, 2016
Jun 9, 2016
Jun 9, 2016
Jun 9, 2016
Jun 9, 2016
Apr 14, 2016
Apr 14, 2016
Apr 14, 2016
Apr 14, 2016
Apr 14, 2016
Mar 31, 2016
Nov 11, 2015
Nov 11, 2015
Nov 11, 2015
Nov 11, 2015
Nov 11, 2015
Nov 9, 2015
Nov 9, 2015
Nov 9, 2015
Nov 9, 2015
Nov 9, 2015
Jun 29, 2015
Jun 29, 2015
Jun 19, 2015
Mar 27, 2015
Mar 27, 2014
Aug 8, 2013
Aug 8, 2013
Jul 31, 2013
Feb 6, 2013
Jan 24, 2013
Jan 23, 2013
Jan 23, 2013
Jan 23, 2013
Jan 23, 2013
Jan 23, 2013
Jan 17, 2013
Dec 11, 2012
Dec 7, 2012
Dec 7, 2012
Nov 14, 2012
Oct 12, 2012
Sep 18, 2012
Sep 18, 2012
Sep 7, 2012
Nov 22, 2011
Nov 3, 2011
Nov 3, 2011
Nov 3, 2011
Aug 3, 2011
Aug 3, 2011
Aug 3, 2011
Apr 8, 2011
Apr 8, 2011
Apr 8, 2011
Apr 8, 2011