Medical Dressing Containing Antimicrobial Agent

Patent No. EP2371335 (titled "Medical Dressing Containing Antimicrobial Agent") was filed by Covidien LP on Oct 14, 2003. The application was issued on May 12, 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
PAUL HARTMANN	Feb 11, 2022	TER MEER STEINMEISTER & PARTNER

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

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Feb 26, 2025
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Feb 26, 2025
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Nov 22, 2024
Decision revoking the European Patent (patent proprietor)
Nov 22, 2024
Decision revoking the European patent (opponent)
Aug 16, 2024
Communication concerning surcharge and failure to observe time limit
Apr 10, 2024
Communication of bibliographic data
Apr 10, 2024
Communication to opponent concerning maintenance
Apr 10, 2024
Communication with request to file translations
Apr 3, 2024
Maintenance of the patent with the documents specified in the final decision
Mar 12, 2024
Annex to the communication - opposition
Mar 12, 2024
Brief communication - Opposition proceedings
Mar 12, 2024
Brief communication - Opposition proceedings
Mar 12, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 12, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 12, 2024
Provision of a copy of the minutes - opposition procedure
Mar 12, 2024
Provision of a copy of the minutes - opposition procedure
Feb 7, 2024
Brief communication - Opposition proceedings
Feb 2, 2024
(Electronic) Receipt
Feb 2, 2024
Letter accompanying subsequently filed items
Feb 2, 2024
Request for correction
Jan 4, 2024
Annex to the communication - opposition
Jan 4, 2024
Decision of the Opposition Division and instruction
Jan 4, 2024
Druckexemplar in opposition procedure
Jan 4, 2024
Grounds for the decision (Annex) - opposition
Jan 4, 2024
Interlocutory decision in opposition proceedings
Jan 4, 2024
Interlocutory decision in opposition proceedings
Jan 4, 2024
Means of redress
Jan 4, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 4, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 4, 2024
Provision of a copy of the minutes - opposition procedure
Jan 4, 2024
Provision of a copy of the minutes - opposition procedure
Jan 4, 2024
Scanned annex to a communication - opposition procedure
Jan 4, 2024
Scanned annex to a communication - opposition procedure
Jan 4, 2024
Scanned annex to a communication - opposition procedure
Jan 4, 2024
Scanned annex to a communication - opposition procedure
Jan 4, 2024
Scanned annex to a communication - opposition procedure
Jan 4, 2024
Scanned annex to a communication - opposition procedure
Jan 4, 2024
Scanned annex to a communication - opposition procedure
Jan 4, 2024
Transmittal of decision / summons - opposition
Jan 4, 2024
Transmittal of decision / summons - opposition
Nov 17, 2023
Miscellaneous requests concerning client data
Nov 7, 2023
Information about the result of oral proceedings
Sep 13, 2023
Brief communication - Opposition proceedings
Sep 11, 2023
Brief communication - Opposition proceedings
Sep 7, 2023
(Electronic) Receipt
Sep 7, 2023
Letter accompanying subsequently filed items
Sep 7, 2023
Request for interpreters during oral proceedings
Sep 6, 2023
(Electronic) Receipt
Sep 6, 2023
Letter accompanying subsequently filed items
Sep 6, 2023
Request for interpreters during oral proceedings
Aug 23, 2023
Brief communication - Opposition proceedings
Aug 14, 2023
(Electronic) Receipt
Aug 14, 2023
Citation in opposition procedure - 026
Aug 14, 2023
Consolidated list of cited opposition documents
Aug 14, 2023
Letter accompanying subsequently filed items
Aug 14, 2023
Written submission in preparation to/during oral proceedings
Dec 19, 2022
Notification concerning the date of oral proceedings
Dec 19, 2022
Notification concerning the date of oral proceedings
Nov 17, 2022
Advice of delivery
Nov 9, 2022
Annex to the communication - opposition
Nov 9, 2022
Information concerning oral proceedings
Nov 9, 2022
Summons to attend oral proceedings
Nov 9, 2022
Summons to attend oral proceedings
Nov 9, 2022
Transmittal of decision / summons - opposition
Nov 9, 2022
Transmittal of decision / summons - opposition
Oct 14, 2022
Brief communication - Opposition proceedings
Oct 10, 2022
(Electronic) Receipt
Oct 10, 2022
Citation in opposition procedure - 021
Oct 10, 2022
Citation in opposition procedure - 022
Oct 10, 2022
Citation in opposition procedure - 023
Oct 10, 2022
Citation in opposition procedure - 024
Oct 10, 2022
Citation in opposition procedure - 025
Oct 10, 2022
Letter accompanying subsequently filed items
Oct 10, 2022
Letter regarding the opposition procedure (no time limit)
Jul 20, 2022
Communication of amended entries concerning the representative
Jul 13, 2022
Brief communication - Opposition proceedings
Jul 13, 2022
Document concerning representation
Jul 12, 2022
Letter accompanying subsequently filed items
Jul 7, 2022
(Electronic) Receipt
Jul 7, 2022
Auxiliary request during Opposition procedure
Jul 7, 2022
Auxiliary request during Opposition procedure
Jul 7, 2022
Auxiliary request during Opposition procedure
Jul 7, 2022
Auxiliary request during Opposition procedure
Jul 7, 2022
Auxiliary request during Opposition procedure
Jul 7, 2022
Auxiliary request during Opposition procedure
Jul 7, 2022
Auxiliary request during Opposition procedure - 01
Jul 7, 2022
Auxiliary request during Opposition procedure - 02
Jul 7, 2022
Auxiliary request during Opposition procedure - 03
Jul 7, 2022
Auxiliary request during Opposition procedure - 04
Jul 7, 2022
Auxiliary request during Opposition procedure - 05
Jul 7, 2022
Auxiliary request during Opposition procedure - 06
Jul 7, 2022
Letter accompanying subsequently filed items
Jul 7, 2022
Main request during Opposition procedure
Jul 7, 2022
Reply of the patent proprietor to the notice(s) of opposition
Feb 25, 2022
Communication of a notice of opposition and request to file observations
Feb 25, 2022
Notice of further oppositions to opponent(s)
Feb 17, 2022
Communication of a notice of opposition - first information to patent proprietor
Feb 11, 2022
(Electronic) Receipt
Feb 11, 2022
Citation in opposition procedure - 001
Feb 11, 2022
Citation in opposition procedure - 002
Feb 11, 2022
Citation in opposition procedure - 003
Feb 11, 2022
Citation in opposition procedure - 004
Feb 11, 2022
Citation in opposition procedure - 005
Feb 11, 2022
Citation in opposition procedure - 006
Feb 11, 2022
Citation in opposition procedure - 007
Feb 11, 2022
Citation in opposition procedure - 008
Feb 11, 2022
Citation in opposition procedure - 009
Feb 11, 2022
Citation in opposition procedure - 010
Feb 11, 2022
Citation in opposition procedure - 011
Feb 11, 2022
Citation in opposition procedure - 012
Feb 11, 2022
Citation in opposition procedure - 013
Feb 11, 2022
Citation in opposition procedure - 014
Feb 11, 2022
Citation in opposition procedure - 015
Feb 11, 2022
Citation in opposition procedure - 016
Feb 11, 2022
Citation in opposition procedure - 017
Feb 11, 2022
Citation in opposition procedure - 018
Feb 11, 2022
Citation in opposition procedure - 019
Feb 11, 2022
Citation in opposition procedure - 020
Feb 11, 2022
Notice of opposition
Feb 11, 2022
Notice of opposition
May 26, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 15, 2021
Decision to grant a European patent
Apr 1, 2021
(Electronic) Receipt
Apr 1, 2021
French translation of claims
Apr 1, 2021
German translation of the claims
Apr 1, 2021
Letter accompanying subsequently filed items
Dec 4, 2020
Bibliographic data of the European patent application
Dec 4, 2020
Communication about intention to grant a European patent
Dec 4, 2020
Intention to grant (signatures)
Dec 4, 2020
Text intended for grant (clean copy)
Dec 4, 2020
Text intended for grant (version for approval)
Oct 15, 2020
(Electronic) Receipt
Oct 15, 2020
Amended claims with annotations
Oct 15, 2020
Amended description with annotations
Oct 15, 2020
Claims
Oct 15, 2020
Description
Oct 15, 2020
Letter accompanying subsequently filed items
Oct 15, 2020
Reply to communication from the Examining Division
Aug 11, 2020
Annex to the communication
Aug 11, 2020
Communication from the Examining Division
Jun 25, 2020
(Electronic) Receipt
Jun 25, 2020
Amended claims with annotations
Jun 25, 2020
Amended description with annotations
Jun 25, 2020
Claims
Jun 25, 2020
Description
Jun 25, 2020
Letter accompanying subsequently filed items
Jun 25, 2020
Non-patent literature cited during the examination procedure
Jun 25, 2020
Reply to communication from the Examining Division
Mar 3, 2020
Annex to the communication
Mar 3, 2020
Communication from the Examining Division
Jul 30, 2019
Response to enquiry for communication from the Examining Division
Jul 17, 2019
(Electronic) Receipt
Jul 17, 2019
Enquiry as to the processing of the file
Jul 17, 2019
Letter accompanying subsequently filed items
Jan 12, 2018
Communication of the registration of a transfer or change of name and/or address
Dec 1, 2017
Submission concerning a transfer of rights (applicant)
Nov 29, 2017
Submission concerning a transfer of rights (applicant)
Nov 14, 2017
Communication of amended entries concerning the representative
Nov 7, 2017
Submission concerning change of applicant's representative
Sep 13, 2016
Reply to communication from the Examining Division
Aug 17, 2016
Annex to the communication
Aug 17, 2016
Invitation to indicate the basis for amendments
Aug 10, 2016
Examination started
Jul 14, 2014
Amended claims filed after receipt of (European) search report
Jul 14, 2014
Amended claims with annotations
Jul 14, 2014
Amendments received before examination
Jul 14, 2014
Amendments received before examination
Jul 14, 2014
Payment of fees and costs
Jan 20, 2014
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Jan 2, 2014
Refund of fees
Dec 13, 2013
Communication regarding the transmission of the European search report
Dec 13, 2013
European search opinion
Dec 13, 2013
European search report
Nov 27, 2013
Search started
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
Sep 7, 2011
Notification of forthcoming publication
Jul 1, 2011
Abstract
Jul 1, 2011
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jul 1, 2011
Annex
Jul 1, 2011
Annex
Jul 1, 2011
Claims
Jul 1, 2011
Description
Jul 1, 2011
Designation of inventor
Jul 1, 2011
Drawings
Jul 1, 2011
Request for grant of a European patent
May 28, 2004
Priority document (electronically transmitted)

EP2371335

COVIDIEN LP

Application Number: EP11172433A
Filing Date: Oct 14, 2003
Status: Revoked; Feb 28, 2025
Publication Date: May 12, 2021
External Links: Slate, Register , Google Patents

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Medical Dressing Containing Antimicrobial Agent

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Dossier Documents

EP2371335