Patent No. EP2539621 (titled "Apparatus And Method To Repair The Junction Of A Sewer Main Line And Lateral Pipe") was filed by LMK on Feb 18, 2011. The application was issued on Jun 29, 2016.

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 |
|---|---|---|
| PER AARSLEFF A/S | Mar 29, 2017 | BUDDE SCHOU |
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 9, 2022
Jun 9, 2022
May 30, 2022
May 30, 2022
May 30, 2022
May 24, 2022
May 16, 2022
May 11, 2022
May 11, 2022
May 6, 2022
Nov 30, 2021
Nov 30, 2021
Jul 16, 2021
Jul 16, 2021
Jul 16, 2021
Jul 16, 2021
Jul 16, 2021
Jul 16, 2021
Jul 16, 2021
Jul 13, 2021
Mar 3, 2021
Oct 9, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
May 21, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
Mar 14, 2019
Mar 14, 2019
Mar 11, 2019
Mar 8, 2019
Mar 8, 2019
Mar 8, 2019
Jan 29, 2019
Jan 21, 2019
Jan 21, 2019
Jan 17, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Jan 10, 2019
Dec 13, 2018
Oct 5, 2018
Oct 3, 2018
Oct 3, 2018
Jul 23, 2018
Jul 20, 2018
Jul 20, 2018
Jul 17, 2018
Jul 13, 2018
Jul 12, 2018
Jul 6, 2018
Jul 6, 2018
Jul 6, 2018
Jul 6, 2018
Jul 4, 2018
Jul 4, 2018
Jul 4, 2018
Jul 4, 2018
Jul 3, 2018
Jul 3, 2018
Jul 3, 2018
Jul 3, 2018
Jul 3, 2018
Jul 3, 2018
Jul 3, 2018
Jun 26, 2018
Jun 26, 2018
Jun 25, 2018
Jun 25, 2018
Apr 27, 2018
Apr 25, 2018
Apr 25, 2018
Apr 25, 2018
Feb 2, 2018
Jan 22, 2018
Dec 4, 2017
Nov 29, 2017
Nov 29, 2017
Nov 29, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Nov 20, 2017
Sep 4, 2017
Sep 4, 2017
Sep 4, 2017
Sep 4, 2017
Sep 1, 2017
Sep 1, 2017
Sep 1, 2017
May 2, 2017
May 2, 2017
Apr 5, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Jun 29, 2016
Jun 2, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 17, 2016
May 17, 2016
May 17, 2016
May 17, 2016
May 17, 2016
Mar 16, 2016
Mar 16, 2016
Mar 16, 2016
Mar 16, 2016
Mar 16, 2016
Aug 4, 2015
Aug 4, 2015
Aug 4, 2015
Aug 4, 2015
Aug 4, 2015
Aug 3, 2015
Jul 31, 2015
Jul 31, 2015
Jul 31, 2015
Jul 31, 2015
Jul 31, 2015
Jul 31, 2015
Jul 29, 2015
Jun 15, 2015
Apr 28, 2015
Apr 24, 2015
Apr 9, 2015
Apr 9, 2015
Apr 1, 2015
May 27, 2014
May 24, 2014
May 22, 2014
Apr 2, 2013
Apr 2, 2013
Apr 2, 2013
Mar 28, 2013
Mar 28, 2013
Mar 28, 2013
Jan 30, 2013
Dec 5, 2012
Nov 26, 2012
Nov 15, 2012
Nov 9, 2012
Nov 9, 2012
Nov 9, 2012
Nov 6, 2012
Nov 6, 2012
Nov 6, 2012
Oct 31, 2012
Oct 2, 2012
Sep 26, 2012
Sep 17, 2012
Sep 17, 2012
Aug 29, 2012
Aug 29, 2012
Aug 29, 2012
Jul 2, 2012
Jul 2, 2012
Jul 2, 2012
Jul 2, 2012
Jul 2, 2012
Jul 2, 2012
Jul 2, 2012
Jul 2, 2012
Jul 2, 2012
Jun 29, 2012
Jun 25, 2012
Jun 25, 2012
Jun 25, 2012
Jun 21, 2012
Jun 21, 2012
Jun 21, 2012
May 23, 2012
May 23, 2012
May 23, 2012
Feb 23, 2012
Feb 23, 2012
Feb 21, 2012
Feb 21, 2012
Feb 7, 2012
Jan 26, 2012
Jan 24, 2012
Jan 24, 2012
Jan 24, 2012
Jan 13, 2012
Jan 13, 2012
Dec 27, 2011
Dec 27, 2011
Dec 27, 2011
Dec 27, 2011
Dec 22, 2011
Dec 22, 2011
Dec 22, 2011
Dec 22, 2011
Sep 13, 2011
Aug 25, 2011
Aug 25, 2011
Jun 7, 2011
Jun 1, 2011
Jun 1, 2011
Jun 1, 2011
Mar 2, 2011
Mar 2, 2011
Mar 2, 2011
Mar 2, 2011