Patent No. EP2771147 (titled "Device And Method For Producing A Guide Bevel On A Workpiece, In Particular On A Cutting Tool, Using Cnc-Controlled Laser And Clamping Devices") was filed by VOLLMER WERKE MASCHINENFABRIK GMBH on Oct 25, 2012. The application was issued on Jan 15, 2020.

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 |
|---|---|---|
| EWAG | Oct 10, 2016 | RUGER ABEL PATENTANWALTE PARTGMBB |
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
Dec 19, 2019
Dec 19, 2019
Dec 13, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Sep 9, 2019
Sep 9, 2019
Sep 9, 2019
Sep 9, 2019
Sep 2, 2019
Aug 7, 2019
Aug 6, 2019
Jul 4, 2019
Jul 3, 2019
Jun 27, 2019
Jun 27, 2019
Jun 17, 2019
May 13, 2019
May 2, 2019
May 2, 2019
Feb 28, 2019
Feb 26, 2019
Feb 25, 2019
Feb 22, 2019
Feb 22, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Feb 21, 2019
Nov 21, 2018
Nov 15, 2018
Nov 15, 2018
Nov 15, 2018
Nov 15, 2018
Sep 27, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 21, 2018
Sep 17, 2018
Sep 12, 2018
Sep 12, 2018
Sep 12, 2018
Aug 8, 2018
Aug 1, 2018
Feb 2, 2018
Feb 1, 2018
Jan 30, 2018
Jan 29, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Jan 26, 2018
Mar 31, 2017
Mar 24, 2017
Mar 24, 2017
Mar 24, 2017
Mar 24, 2017
Mar 24, 2017
Nov 17, 2016
Nov 17, 2016
Oct 18, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Jan 13, 2016
Dec 17, 2015
Nov 10, 2015
Nov 10, 2015
Nov 10, 2015
Nov 10, 2015
Jul 30, 2015
Jul 30, 2015
Jul 30, 2015
Jul 30, 2015
Jun 29, 2015
Mar 30, 2015
Mar 26, 2015
Jan 22, 2015
Jan 22, 2015
Jan 20, 2015
Aug 6, 2014
Jun 4, 2014
Jun 2, 2014
Jun 2, 2014
May 7, 2014
May 7, 2014
Apr 11, 2014
Apr 11, 2014
Mar 10, 2014
Jan 24, 2014
Jan 24, 2014
Jan 24, 2014
Jan 24, 2014
Jan 24, 2014
Jan 10, 2014
Jan 10, 2014
Jan 10, 2014
Dec 12, 2013
Dec 12, 2013
Dec 12, 2013
Oct 2, 2013
Sep 5, 2013
Aug 21, 2013
Aug 21, 2013
Jul 18, 2013
Jul 18, 2013
Jul 18, 2013
May 24, 2013
May 24, 2013
May 24, 2013
May 24, 2013
May 2, 2013
Oct 25, 2012
Oct 25, 2012
Oct 25, 2012
Oct 25, 2012