Shear Resistant Wound Dressing For Use In Vacuum Wound Therapy

Patent No. EP2252247 (titled "Shear Resistant Wound Dressing For Use In Vacuum Wound Therapy") was filed by Covidien LP on Mar 13, 2009. The application was issued on Sep 7, 2022.

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 MANUFACTURING UNLIMITED	Jul 16, 2020	SIMMONS & SIMMONS

Dossier Documents

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

Get instant alerts for new documents

Aug 11, 2022
Decision to maintain the European patent in amended form
Aug 11, 2022
Decision to maintain the European patent in amended form
Aug 8, 2022
Termination of the opposition proceedings with maintenance of patent
Aug 2, 2022
(Electronic) Receipt
Aug 2, 2022
Authorisation
Aug 2, 2022
French translation of claims
Aug 2, 2022
German translation of the claims
Aug 2, 2022
Letter accompanying subsequently filed items
Jun 13, 2022
Brief communication - Opposition proceedings
Jun 13, 2022
Communication confirming withdrawal from representation
Jun 13, 2022
Communication of amended entries concerning the representative
Jun 8, 2022
(Electronic) Receipt
Jun 8, 2022
Letter accompanying subsequently filed items
Jun 8, 2022
Submission concerning change of proprietor's representative
May 27, 2022
Communication to opponent concerning maintenance
May 27, 2022
Communication with request to file translations
May 20, 2022
Maintenance of the patent with the documents specified in the final decision
Feb 15, 2022
Advice of delivery
Feb 15, 2022
Cover sheet for fax transmission
Feb 11, 2022
Advice of delivery
Feb 11, 2022
Annex to a communication
Feb 11, 2022
Annex to the communication - opposition
Feb 11, 2022
Cover sheet for fax transmission
Feb 11, 2022
Decision of the Opposition Division and instruction
Feb 11, 2022
Druckexemplar in opposition procedure
Feb 11, 2022
Grounds for the decision (Annex) - opposition
Feb 11, 2022
Interlocutory decision in opposition proceedings
Feb 11, 2022
Interlocutory decision in opposition proceedings
Feb 11, 2022
Means of redress
Feb 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 11, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 11, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 11, 2022
Provision of a copy of the minutes - opposition procedure
Feb 11, 2022
Provision of a copy of the minutes - opposition procedure
Feb 11, 2022
Transmittal of decision / summons - opposition
Feb 11, 2022
Transmittal of decision / summons - opposition
Jan 25, 2022
Information about the result of oral proceedings
Dec 2, 2021
Brief communication - Opposition proceedings
Nov 25, 2021
(Electronic) Receipt
Nov 25, 2021
Brief communication - Opposition proceedings
Nov 25, 2021
Letter accompanying subsequently filed items
Nov 25, 2021
Written submission in preparation to/during oral proceedings
Nov 19, 2021
(Electronic) Receipt
Nov 19, 2021
(Electronic) Receipt
Nov 19, 2021
Amended description with annotations
Nov 19, 2021
Description
Nov 19, 2021
Letter accompanying subsequently filed items
Nov 19, 2021
Letter accompanying subsequently filed items
Nov 19, 2021
Written submission in preparation to/during oral proceedings
Nov 10, 2021
Document concerning representation
Nov 10, 2021
Letter accompanying subsequently filed items
Jul 22, 2021
(Electronic) Receipt
Jul 22, 2021
Advice of delivery
Jul 21, 2021
Advice of delivery
Jul 19, 2021
Annex to the communication - opposition
Jul 19, 2021
Information concerning oral proceedings
Jul 19, 2021
Summons to attend oral proceedings
Jul 19, 2021
Summons to attend oral proceedings
Jul 19, 2021
Transmittal of decision / summons - opposition
Jul 19, 2021
Transmittal of decision / summons - opposition
Dec 21, 2020
Communication concerning the filing of a power of attorney
Dec 21, 2020
Communication of amended entries concerning the representative
Dec 15, 2020
Brief communication - Opposition proceedings
Dec 9, 2020
(Electronic) Receipt
Dec 9, 2020
Authorisation
Dec 9, 2020
Letter accompanying subsequently filed items
Dec 9, 2020
Main request during Opposition procedure
Dec 9, 2020
Main request during Opposition procedure
Dec 9, 2020
Reply of the patent proprietor to the notice(s) of opposition
Dec 9, 2020
Submission concerning change of proprietor's representative
Jul 30, 2020
Communication of a notice of opposition and request to file observations
Jul 30, 2020
Notice of further oppositions to opponent(s)
Jul 21, 2020
Communication of a notice of opposition - first information to patent proprietor
Jul 16, 2020
(Electronic) Receipt
Jul 16, 2020
Citation in opposition procedure - 001
Jul 16, 2020
Citation in opposition procedure - 002
Jul 16, 2020
Citation in opposition procedure - 003
Jul 16, 2020
Citation in opposition procedure - 004
Jul 16, 2020
Citation in opposition procedure - 005
Jul 16, 2020
Citation in opposition procedure - 006
Jul 16, 2020
Citation in opposition procedure - 007
Jul 16, 2020
Citation in opposition procedure - 008
Jul 16, 2020
Consolidated list of cited opposition documents
Jul 16, 2020
Notice of opposition
Jul 16, 2020
Notice of opposition
Oct 28, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 19, 2019
Decision to grant a European patent
Sep 12, 2019
Communication of the registration of a transfer or change of name and/or address
Sep 6, 2019
(Electronic) Receipt
Sep 6, 2019
Authorisation
Sep 6, 2019
French translation of claims
Sep 6, 2019
German translation of the claims
Sep 6, 2019
Submission concerning change of applicant's address
May 10, 2019
Annex to the communication about intention to grant a European patent
May 10, 2019
Bibliographic data of the European patent application
May 10, 2019
Communication about intention to grant a European patent
May 10, 2019
Intention to grant (signatures)
May 10, 2019
Text intended for grant (clean copy)
May 10, 2019
Text intended for grant (version for approval)
Apr 17, 2019
Notification concerning the date of oral proceedings
Apr 11, 2019
Annex to the communication
Apr 11, 2019
Consultation by telephone/in person
Apr 11, 2019
Result of consultation by telephone/in person
Mar 8, 2019
(Electronic) Receipt
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Amended claims with annotations
Mar 8, 2019
Claims
Mar 8, 2019
Claims
Mar 8, 2019
Claims
Mar 8, 2019
Claims
Mar 8, 2019
Claims
Mar 8, 2019
Claims
Mar 8, 2019
Letter accompanying subsequently filed items
Mar 8, 2019
Written submission in preparation to/during oral proceedings
Dec 14, 2018
Communication confirming withdrawal from representation
Dec 14, 2018
Communication of amended entries concerning the representative
Dec 5, 2018
Advice of delivery
Nov 26, 2018
Acknowledgement of a document
Nov 26, 2018
Annex to the communication
Nov 26, 2018
Summons to attend oral proceedings
Sep 10, 2018
(Electronic) Receipt
Sep 10, 2018
Amended claims with annotations
Sep 10, 2018
Claims
Sep 10, 2018
Letter accompanying subsequently filed items
Sep 10, 2018
Reply to communication from the Examining Division
Sep 7, 2018
(Electronic) Receipt
Sep 7, 2018
Letter accompanying subsequently filed items
Sep 7, 2018
Submission concerning change of applicant's representative
Sep 6, 2018
Letter relating to the automatic debiting procedure
Jul 19, 2018
Annex to the communication
Jul 19, 2018
Consultation by telephone/in person (with time limit)
Jul 19, 2018
Result of consultation by telephone/in person
May 9, 2018
(Electronic) Receipt
May 9, 2018
Amended claims with annotations
May 9, 2018
Amended description with annotations
May 9, 2018
Claims
May 9, 2018
Description
May 9, 2018
Letter accompanying subsequently filed items
May 9, 2018
Reply to communication from the Examining Division
Mar 16, 2018
Grant of extension of time limit (examination procedure)
Mar 12, 2018
(Electronic) Receipt
Mar 12, 2018
Letter accompanying subsequently filed items
Mar 12, 2018
Request for extension of time limit to communication from the Examining Division
Jan 10, 2018
Annex to the communication
Jan 10, 2018
Communication from the Examining Division
Dec 22, 2017
Examination started
Aug 24, 2017
Notification regarding date of start of examination with possibility to withdraw
Jun 23, 2015
Communication of amended entries concerning the representative
Jun 18, 2015
(Electronic) Receipt
Jun 18, 2015
Letter accompanying subsequently filed items
Jun 18, 2015
Submission concerning representation
Nov 4, 2013
(Electronic) Receipt
Nov 4, 2013
Letter accompanying subsequently filed items
Nov 4, 2013
Matter concerning the application
Oct 31, 2013
(Electronic) Receipt
Oct 31, 2013
Amended claims filed after receipt of (European) search report
Oct 31, 2013
Amended claims with annotations
Oct 31, 2013
Amended description filed after receipt of (European) search report
Oct 31, 2013
Amended description with annotations
Oct 31, 2013
Amendments received before examination
Oct 31, 2013
Letter accompanying subsequently filed items
Oct 8, 2013
Communication of the registration of a transfer or change of name and/or address
Aug 13, 2013
Letter accompanying subsequently filed items
Aug 13, 2013
Submission concerning a transfer of rights (applicant)
Apr 23, 2013
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Apr 5, 2013
Communication regarding the transmission of the European search report
Apr 5, 2013
European search opinion
Apr 5, 2013
Supplementary European search report
Nov 13, 2012
Communication of the registration of a transfer or change of name and/or address
Nov 7, 2012
Submission concerning change of applicant's name
Nov 6, 2012
Submission concerning change of applicant's name
Oct 19, 2012
(Electronic) Receipt
Oct 19, 2012
General enquiry
Oct 19, 2012
Letter accompanying subsequently filed items
Sep 10, 2011
Submission concerning representation
Oct 27, 2010
Notification on forthcoming publication of bibliographic data
Oct 20, 2010
Communication regarding possible amendment of the application/payment of claims fee
Sep 29, 2010
Copy of the international preliminary report on patentability
Sep 17, 2010
(Electronic) Receipt
Sep 17, 2010
Annex
Sep 17, 2010
Request for entry into the European phase
Jul 21, 2010
Information on entry into European phase
Mar 18, 2010
Copy of the international search report
Mar 18, 2010
International publication of the international search report
Oct 8, 2009
Priority document (electronically transmitted)
Sep 17, 2009
Published international application - A2

EP2252247

COVIDIEN LP

Application Number: EP09719097A
Filing Date: Mar 13, 2009
Status: Patent Maintained As Amended; Aug 5, 2022
Publication Date: Sep 7, 2022
External Links: Slate, Register , Google Patents

IP Verse

Shear Resistant Wound Dressing For Use In Vacuum Wound Therapy

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2252247