Patent No. EP2254647 (titled "Vacuum Port For Vacuum Wound Therapy") was filed by Covidien LP on Mar 13, 2009. The application was issued on Dec 29, 2021.

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 |
|---|---|---|
| KCI LICENSING | Apr 19, 2016 | SIMMONS & SIMMONS |
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 2, 2021
Dec 2, 2021
Nov 26, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 18, 2021
Nov 11, 2021
Nov 11, 2021
Nov 11, 2021
Nov 11, 2021
Nov 11, 2021
Nov 11, 2021
Sep 27, 2021
Sep 27, 2021
Sep 27, 2021
Sep 21, 2021
Sep 21, 2021
Sep 21, 2021
Aug 31, 2021
Aug 27, 2021
Aug 27, 2021
Aug 27, 2021
Aug 24, 2021
Aug 24, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
Jun 21, 2021
Jun 18, 2021
Jun 17, 2021
Jun 17, 2021
Jun 17, 2021
Jun 14, 2021
Jun 14, 2021
Jun 14, 2021
Jun 11, 2021
Jun 11, 2021
Jun 10, 2021
Jun 7, 2021
Jun 7, 2021
Jun 7, 2021
Jun 7, 2021
Jun 7, 2021
Jun 1, 2021
Jun 1, 2021
May 28, 2021
May 26, 2021
May 24, 2021
May 24, 2021
May 24, 2021
May 20, 2021
May 20, 2021
May 14, 2021
May 10, 2021
May 10, 2021
May 10, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 16, 2021
Mar 10, 2021
Mar 10, 2021
Mar 10, 2021
Mar 5, 2021
Mar 4, 2021
Jan 18, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Jul 21, 2020
Jul 21, 2020
Jul 8, 2020
Jul 23, 2019
Jul 23, 2019
Jul 12, 2019
Sep 26, 2018
Sep 20, 2018
Sep 20, 2018
Sep 20, 2018
Aug 15, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jul 9, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Apr 25, 2018
Feb 26, 2018
Feb 20, 2018
Feb 20, 2018
Feb 20, 2018
Nov 3, 2017
Oct 27, 2017
Oct 26, 2017
Oct 26, 2017
Oct 26, 2017
Oct 25, 2017
Oct 24, 2017
Oct 19, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Oct 16, 2017
Sep 28, 2017
Sep 27, 2017
Sep 27, 2017
Sep 27, 2017
Sep 21, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Aug 9, 2017
Aug 1, 2017
Jul 31, 2017
Jul 31, 2017
Jul 31, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 27, 2017
Jul 27, 2017
Jul 27, 2017
Jul 26, 2017
Jul 26, 2017
Jul 26, 2017
May 16, 2017
May 16, 2017
May 11, 2017
Apr 27, 2017
Dec 2, 2016
Dec 2, 2016
Nov 28, 2016
Nov 28, 2016
Nov 28, 2016
Nov 28, 2016
Nov 28, 2016
Nov 28, 2016
Nov 28, 2016
Sep 30, 2016
Sep 26, 2016
Sep 26, 2016
Sep 26, 2016
Sep 26, 2016
Sep 26, 2016
Sep 26, 2016
Sep 26, 2016
Jun 1, 2016
Jun 1, 2016
May 30, 2016
May 30, 2016
May 30, 2016
May 10, 2016
May 4, 2016
May 4, 2016
May 4, 2016
May 4, 2016
Apr 26, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Aug 31, 2015
Jul 22, 2015
Jun 25, 2015
Jun 18, 2015
Jun 18, 2015
Jun 5, 2015
Jun 5, 2015
Jun 5, 2015
Jun 5, 2015
Jun 5, 2015
Jan 27, 2015
Jan 27, 2015
Jan 27, 2015
Jan 27, 2015
Aug 12, 2014
Aug 12, 2014
Aug 12, 2014
Aug 12, 2014
Aug 12, 2014
Aug 12, 2014
Aug 12, 2014
Aug 12, 2014
Jun 5, 2014
Jun 2, 2014
Jun 2, 2014
Jun 2, 2014
Feb 3, 2014
Feb 3, 2014
Jan 17, 2014
Oct 8, 2013
Sep 10, 2013
Sep 10, 2013
Sep 10, 2013
Sep 10, 2013
Sep 10, 2013
Sep 10, 2013
Sep 10, 2013
Aug 13, 2013
Aug 13, 2013
Mar 19, 2013
Feb 28, 2013
Feb 28, 2013
Feb 28, 2013
Nov 13, 2012
Nov 7, 2012
Nov 6, 2012
Sep 17, 2012
Sep 17, 2012
Sep 17, 2012
Sep 10, 2011
Nov 4, 2010
Oct 20, 2010
Sep 29, 2010
Sep 17, 2010
Sep 17, 2010
Sep 17, 2010
Jul 21, 2010
Dec 30, 2009
Dec 30, 2009
Oct 8, 2009
Sep 17, 2009