Dressings, Systems And Methods For Treating A Tissue Site

Patent No. EP2544640 (titled "Dressings, Systems And Methods For Treating A Tissue Site") was filed by 3M Innovative Properties Company on Mar 9, 2011. The application was issued on Jan 15, 2025.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
CONVATEC	Aug 10, 2022	D YOUNG

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

Dec 19, 2024
Decision to maintain the European patent in amended form
Dec 19, 2024
Decision to maintain the European patent in amended form
Dec 5, 2024
(Electronic) Receipt
Dec 5, 2024
Any annexes (other than citation) to an opposition letter
Dec 5, 2024
Letter accompanying subsequently filed items
May 20, 2024
(Electronic) Receipt
May 20, 2024
Filing of the translation of the amended claims
May 20, 2024
French translation of claims
May 20, 2024
German translation of the claims
Mar 20, 2024
Communication of bibliographic data
Mar 20, 2024
Communication to opponent concerning maintenance
Mar 20, 2024
Communication with request to file translations
Mar 14, 2024
Maintenance of the patent with the documents specified in the final decision
Mar 13, 2024
Letter accompanying subsequently filed items
Dec 12, 2023
Advice of delivery
Dec 12, 2023
Decision of the Opposition Division and instruction
Dec 12, 2023
Druckexemplar in opposition procedure
Dec 12, 2023
Grounds for the decision (Annex) - opposition
Dec 12, 2023
Interlocutory decision in opposition proceedings
Dec 12, 2023
Interlocutory decision in opposition proceedings
Dec 12, 2023
Means of redress
Dec 12, 2023
Scanned annex to a communication - opposition procedure
Dec 12, 2023
Transmittal of decision / summons - opposition
Dec 12, 2023
Transmittal of decision / summons - opposition
Dec 1, 2023
Notification concerning the date of oral proceedings
Dec 1, 2023
Notification concerning the date of oral proceedings
Nov 21, 2023
Brief communication - Opposition proceedings
Nov 21, 2023
Brief communication - Opposition proceedings
Nov 16, 2023
(Electronic) Receipt
Nov 16, 2023
(Electronic) Receipt
Nov 16, 2023
Amended description with annotations
Nov 16, 2023
Description
Nov 16, 2023
Letter accompanying subsequently filed items
Nov 16, 2023
Letter accompanying subsequently filed items
Nov 16, 2023
Written submission in preparation to/during oral proceedings
Nov 16, 2023
Written submission in preparation to/during oral proceedings
Nov 15, 2023
Brief communication - Opposition proceedings
Nov 13, 2023
Brief communication - Opposition proceedings
Nov 10, 2023
(Electronic) Receipt
Nov 10, 2023
Request for interpreters during oral proceedings
Nov 8, 2023
(Electronic) Receipt
Nov 8, 2023
Auxiliary request during Opposition procedure
Nov 8, 2023
Auxiliary request during Opposition procedure
Nov 8, 2023
Auxiliary request during Opposition procedure
Nov 8, 2023
Auxiliary request during Opposition procedure
Nov 8, 2023
Auxiliary request during Opposition procedure
Nov 8, 2023
Auxiliary request during Opposition procedure - 01
Nov 8, 2023
Auxiliary request during Opposition procedure - 02
Nov 8, 2023
Auxiliary request during Opposition procedure - 03
Nov 8, 2023
Auxiliary request during Opposition procedure - 04
Nov 8, 2023
Auxiliary request during Opposition procedure - 05
Nov 8, 2023
Auxiliary request during Opposition procedure - 06
Nov 8, 2023
Letter accompanying subsequently filed items
Nov 8, 2023
Main request during Opposition procedure
Nov 8, 2023
Main request during Opposition procedure
Nov 8, 2023
Written submission in preparation to/during oral proceedings
Mar 29, 2023
Advice of delivery
Mar 29, 2023
Annex to the communication - opposition
Mar 29, 2023
Information concerning oral proceedings
Mar 29, 2023
Scanned annex to a communication - opposition procedure
Mar 29, 2023
Summons to attend oral proceedings
Mar 29, 2023
Summons to attend oral proceedings
Mar 29, 2023
Transmittal of decision / summons - opposition
Mar 29, 2023
Transmittal of decision / summons - opposition
Feb 3, 2023
Brief communication - Opposition proceedings
Jan 30, 2023
(Electronic) Receipt
Jan 30, 2023
Citation in opposition procedure - 001
Jan 30, 2023
Citation in opposition procedure - 002
Jan 30, 2023
Consolidated list of cited opposition documents
Jan 30, 2023
Letter accompanying subsequently filed items
Jan 30, 2023
Letter regarding the opposition procedure (no time limit)
Jan 2, 2023
Brief communication - Opposition proceedings
Dec 21, 2022
(Electronic) Receipt
Dec 21, 2022
Auxiliary request during Opposition procedure
Dec 21, 2022
Auxiliary request during Opposition procedure
Dec 21, 2022
Auxiliary request during Opposition procedure
Dec 21, 2022
Auxiliary request during Opposition procedure
Dec 21, 2022
Auxiliary request during Opposition procedure - 01
Dec 21, 2022
Auxiliary request during Opposition procedure - 02
Dec 21, 2022
Auxiliary request during Opposition procedure - 03
Dec 21, 2022
Auxiliary request during Opposition procedure - 04
Dec 21, 2022
Auxiliary request during Opposition procedure - 05
Dec 21, 2022
Letter accompanying subsequently filed items
Dec 21, 2022
Reply of the patent proprietor to the notice(s) of opposition
Aug 23, 2022
Communication of a notice of opposition and request to file observations
Aug 23, 2022
Notice of further oppositions to opponent(s)
Aug 17, 2022
Communication of a notice of opposition - first information to patent proprietor
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Citation in opposition procedure - 001
Aug 10, 2022
Citation in opposition procedure - 002
Aug 10, 2022
Citation in opposition procedure - 003
Aug 10, 2022
Citation in opposition procedure - 004
Aug 10, 2022
Citation in opposition procedure - 005
Aug 10, 2022
Citation in opposition procedure - 005
Aug 10, 2022
Citation in opposition procedure - 006
Aug 10, 2022
Citation in opposition procedure - 007
Aug 10, 2022
Citation in opposition procedure - 008
Aug 10, 2022
Citation in opposition procedure - 009
Aug 10, 2022
Citation in opposition procedure - 010
Aug 10, 2022
Citation in opposition procedure - 011
Aug 10, 2022
Citation in opposition procedure - 012
Aug 10, 2022
Citation in opposition procedure - 013
Aug 10, 2022
Consolidated list of cited opposition documents
Aug 10, 2022
Notice of opposition
Aug 10, 2022
Notice of opposition
Nov 23, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 14, 2021
Decision to grant a European patent
Oct 1, 2021
(Electronic) Receipt
Oct 1, 2021
French translation of claims
Oct 1, 2021
German translation of the claims
Oct 1, 2021
Letter accompanying subsequently filed items
Jun 7, 2021
Bibliographic data of the European patent application
Jun 7, 2021
Communication about intention to grant a European patent
Jun 7, 2021
Intention to grant (signatures)
Jun 7, 2021
Text intended for grant (clean copy)
Jun 7, 2021
Text intended for grant (version for approval)
Oct 23, 2020
Communication of the registration of a transfer or change of name and/or address
Oct 1, 2020
Annexes in respect of a client data request
Oct 1, 2020
Annexes in respect of a client data request
Oct 1, 2020
Annexes in respect of a client data request
Oct 1, 2020
Submission concerning a transfer of rights (applicant)
Apr 20, 2020
(Electronic) Receipt
Apr 20, 2020
Amended claims with annotations
Apr 20, 2020
Amended description with annotations
Apr 20, 2020
Claims
Apr 20, 2020
Description
Apr 20, 2020
Letter accompanying subsequently filed items
Apr 20, 2020
Reply to communication from the Examining Division
Jan 2, 2020
Annex to the communication
Jan 2, 2020
Communication from the Examining Division
Jul 18, 2019
Communication of amended entries concerning the representative
Jul 12, 2019
Submission concerning change of applicant's representative
May 23, 2018
Request for change of applicant's representative
May 3, 2018
Communication of amended entries concerning the representative
Apr 25, 2018
Submission concerning change of applicant's representative
Feb 20, 2018
(Electronic) Receipt
Feb 20, 2018
Amended claims with annotations
Feb 20, 2018
Claims
Feb 20, 2018
Letter accompanying subsequently filed items
Feb 20, 2018
Reply to communication from the Examining Division
Oct 25, 2017
Communication of amended entries concerning the representative
Oct 20, 2017
Submission concerning change of applicant's representative
Oct 18, 2017
Annex to the communication
Oct 18, 2017
Communication from the Examining Division
Jul 4, 2017
Communication of the registration of a transfer or change of name and/or address
Jun 27, 2017
Submission concerning change of applicant's address
Apr 27, 2017
Submission concerning representation
Dec 9, 2016
Communication of the registration of a transfer or change of name and/or address
Dec 5, 2016
Communication of the registration of a transfer or change of name and/or address
Dec 5, 2016
Submission concerning change of applicant's address
Nov 29, 2016
Submission concerning change of applicant's address
Jul 10, 2015
(Electronic) Receipt
Jul 10, 2015
Amended claims with annotations
Jul 10, 2015
Amended description with annotations
Jul 10, 2015
Claims
Jul 10, 2015
Description
Jul 10, 2015
Letter accompanying subsequently filed items
Jul 10, 2015
Reply to communication from the Examining Division
May 28, 2015
Grant of extension of time limit (examination procedure)
May 22, 2015
(Electronic) Receipt
May 22, 2015
Request for extension of time limit to communication from the Examining Division
Jan 27, 2015
Annex to the communication
Jan 27, 2015
Communication from the Examining Division
Jul 11, 2014
Examination started
Jul 10, 2013
Transmittal of third party observations to applicant
Jul 3, 2013
Observations by third parties
Mar 13, 2013
(Electronic) Receipt
Mar 13, 2013
Amended claims filed after receipt of (European) search report
Mar 13, 2013
Amended claims with annotations
Mar 13, 2013
Amended description filed after receipt of (European) search report
Mar 13, 2013
Amended description with annotations
Mar 13, 2013
Amendments received before examination
Mar 13, 2013
Letter accompanying subsequently filed items
Feb 18, 2013
(Electronic) Receipt
Feb 18, 2013
Letter accompanying subsequently filed items
Feb 18, 2013
Matter concerning the application
Dec 19, 2012
Notification on forthcoming publication of bibliographic data
Oct 18, 2012
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 16, 2012
Communication to designated inventor
Oct 16, 2012
Communication to designated inventor
Sep 25, 2012
Copy of the international preliminary report on patentability
Sep 14, 2012
Communication of amended entries concerning the representative
Sep 10, 2012
Submission concerning change of applicant's representative
Jul 30, 2012
(Electronic) Receipt
Jul 30, 2012
Request for entry into the European phase
Jul 20, 2012
Information on entry into European phase
Oct 6, 2011
Priority document (electronically transmitted)
Oct 6, 2011
Priority document (electronically transmitted)
Sep 15, 2011
Copy of the international search report
Sep 15, 2011
Published international application - A1
Aug 18, 2011
Written opinion of the ISA, boxes No. I to VIII
Aug 18, 2011
Written opinion of the ISA, cover sheet
Aug 18, 2011
Written opinion of the ISA, supplemental box
Mar 17, 2011
Abstract
Mar 17, 2011
Claims
Mar 17, 2011
Description
Mar 17, 2011
Drawings

EP2544640

3M INNOVATIVE PROPERTIES COMPANY

Application Number: EP11708963A
Filing Date: Mar 9, 2011
Status: Patent Maintained As Amended; Dec 13, 2024
Publication Date: Jan 15, 2025
External Links: Slate, Register , Google Patents

IP Verse

Dressings, Systems And Methods For Treating A Tissue Site

Patent Summary

Patent Family

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Dossier Documents

EP2544640