Patent No. EP2961951 (titled "Method And System For Dosing Lubrication Oil Into Cylinders") was filed by Hans Jensen Lubricators on Mar 25, 2015. The application was issued on Oct 23, 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 |
|---|---|---|
| WINTERTHUR GAS & DIESEL | Aug 29, 2017 | SERVICES |
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
Sep 26, 2019
Sep 26, 2019
Sep 20, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Sep 11, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 5, 2019
Mar 12, 2019
Mar 6, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 18, 2019
Feb 6, 2019
Dec 14, 2018
Dec 11, 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 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 6, 2018
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Nov 23, 2018
Nov 23, 2018
Nov 23, 2018
Jul 10, 2018
Jul 5, 2018
Jun 29, 2018
Jun 25, 2018
Jun 25, 2018
Jun 25, 2018
Jun 25, 2018
Jun 25, 2018
Jun 25, 2018
Jun 25, 2018
Jun 18, 2018
Feb 26, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Feb 16, 2018
Oct 9, 2017
Oct 9, 2017
Sep 7, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Aug 29, 2017
Dec 1, 2016
Nov 4, 2016
Oct 28, 2016
Oct 18, 2016
Oct 18, 2016
Oct 18, 2016
Oct 11, 2016
Oct 6, 2016
Oct 6, 2016
Oct 6, 2016
Oct 6, 2016
Oct 6, 2016
Sep 27, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jul 26, 2016
Jun 22, 2016
Jun 22, 2016
Jun 22, 2016
Jun 22, 2016
Jun 22, 2016
May 31, 2016
May 31, 2016
May 31, 2016
Apr 20, 2016
Feb 19, 2016
Feb 19, 2016
Feb 19, 2016
Feb 11, 2016
Jan 25, 2016
Jan 25, 2016
Jan 25, 2016
Jan 25, 2016
Jan 13, 2016
Dec 9, 2015
Oct 21, 2015
Oct 5, 2015
Oct 1, 2015
Oct 1, 2015
Sep 16, 2015
Sep 9, 2015
Sep 9, 2015
Sep 9, 2015
Sep 1, 2015
Jul 29, 2015
Jul 29, 2015