Patent No. EP2507537 (titled "Pin Bosses Of A Piston For An Internal Combustion Engine") was filed by Mahle on Dec 2, 2010. The application was issued on Aug 26, 2015.

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 |
|---|---|---|
| KS KOLBENSCHMIDT | May 25, 2016 | GREIF |
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 3, 2018
Apr 27, 2018
Apr 27, 2018
Apr 26, 2018
Apr 23, 2018
Apr 18, 2018
Apr 13, 2018
Mar 22, 2018
Mar 15, 2018
Mar 13, 2018
Mar 9, 2018
Feb 21, 2018
Feb 21, 2018
Feb 21, 2018
Feb 14, 2018
Feb 13, 2018
Feb 13, 2018
Feb 13, 2018
Dec 21, 2017
Dec 19, 2017
Dec 18, 2017
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Dec 13, 2017
Nov 29, 2017
Sep 22, 2017
Sep 19, 2017
Sep 19, 2017
Sep 19, 2017
Sep 19, 2017
Sep 19, 2017
Sep 19, 2017
Sep 19, 2017
Sep 11, 2017
Sep 1, 2017
Mar 23, 2017
Mar 17, 2017
Mar 13, 2017
Mar 13, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Nov 10, 2016
Nov 4, 2016
Nov 3, 2016
Nov 3, 2016
Jul 4, 2016
Jul 4, 2016
Jun 8, 2016
May 25, 2016
May 25, 2016
May 25, 2016
May 25, 2016
May 25, 2016
May 25, 2016
Feb 15, 2016
Aug 26, 2015
Jul 30, 2015
Jul 22, 2015
Jul 22, 2015
Jul 16, 2015
Jul 16, 2015
Jul 15, 2015
Jul 15, 2015
Jul 15, 2015
Jul 15, 2015
Jul 14, 2015
Jul 14, 2015
Jul 14, 2015
Jul 14, 2015
Jul 14, 2015
Mar 18, 2015
Mar 18, 2015
Mar 18, 2015
Mar 18, 2015
Mar 18, 2015
Feb 24, 2015
Feb 20, 2015
Feb 20, 2015
Feb 20, 2015
Feb 18, 2015
Feb 18, 2015
Feb 18, 2015
Oct 29, 2014
Oct 29, 2014
Oct 29, 2014
Oct 29, 2014
Oct 29, 2014
Oct 9, 2014
Aug 27, 2014
Mar 23, 2013
Mar 21, 2013
Feb 4, 2013
Oct 5, 2012
Sep 27, 2012
Sep 14, 2012
Sep 12, 2012
Sep 4, 2012
Sep 4, 2012
Sep 4, 2012
Sep 4, 2012
Sep 4, 2012
Jun 27, 2012
Jun 18, 2012
Apr 16, 2012
Jun 28, 2011
Jun 9, 2011
Jun 9, 2011
Jun 9, 2011
Mar 24, 2011
Mar 24, 2011
Mar 24, 2011
Jan 24, 2011
Jan 24, 2011
Jan 24, 2011
Jan 24, 2011