Wound Dressing

Patent No. EP3365039 (titled "Wound Dressing") was filed by Convatec on Oct 21, 2016. The application was issued on Sep 10, 2025.

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
SMITH & NEPHEW	Aug 25, 2021	HGF

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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Aug 14, 2025
Decision to maintain the European patent in amended form
Aug 14, 2025
Decision to maintain the European patent in amended form
Aug 6, 2025
(Electronic) Receipt
Aug 6, 2025
Filing of the translation of the amended claims
Aug 6, 2025
French translation of claims
Aug 6, 2025
German translation of the claims
Aug 6, 2025
Letter accompanying subsequently filed items
May 30, 2025
Communication of bibliographic data
May 30, 2025
Communication to opponent concerning maintenance
May 30, 2025
Communication with request to file translations
May 23, 2025
Maintenance of the patent with the documents specified in the final decision
May 22, 2025
Maintenance of the patent with the documents specified in the final decision
May 21, 2025
Decision of the Board of Appeal
May 21, 2025
F3032 Notification(s) of the decision
May 21, 2025
F3032 Notification(s) of the decision
Mar 3, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 3, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 3, 2025
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 15, 2025
F3345 Forwarding of submissions to parties
Jan 10, 2025
(Electronic) Receipt
Jan 10, 2025
Letter accompanying subsequently filed items
Jan 10, 2025
Letter dealing with oral proceedings during the appeal procedure
Jan 9, 2025
F3345 Forwarding of submissions to parties
Jan 2, 2025
(Electronic) Receipt
Jan 2, 2025
Letter accompanying subsequently filed items
Jan 2, 2025
Letter dealing with oral proceedings during the appeal procedure
Dec 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Dec 9, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Sep 2, 2024
F3345 Forwarding of submissions to parties
Aug 27, 2024
(Electronic) Receipt
Aug 27, 2024
Annexes (other than cited documents) regarding appeal procedure
Aug 27, 2024
Annexes (other than cited documents) regarding appeal procedure
Aug 27, 2024
Annexes (other than cited documents) regarding appeal procedure
Aug 27, 2024
Annexes (other than cited documents) regarding appeal procedure
Aug 27, 2024
Letter accompanying subsequently filed items
Aug 27, 2024
Letter dealing with oral proceedings during the appeal procedure
Aug 5, 2024
F3011.2 Oral Proceedings: Summons VICO
Aug 5, 2024
F3011.2 Oral Proceedings: Summons VICO
Jul 31, 2024
Composition of the board (T)
Jul 31, 2024
F3010 Oral proceedings: order for summons
Jun 4, 2024
F3345 Forwarding of submissions to parties
May 29, 2024
(Electronic) Receipt
May 29, 2024
Amended claims with annotations
May 29, 2024
Amended claims with annotations
May 29, 2024
Amended claims with annotations
May 29, 2024
Amended claims with annotations
May 29, 2024
Amended claims with annotations
May 29, 2024
Amended claims with annotations
May 29, 2024
Amended claims with annotations
May 29, 2024
Amended claims with annotations
May 29, 2024
Annexes (other than cited documents) regarding appeal procedure
May 29, 2024
Annexes (other than cited documents) regarding appeal procedure
May 29, 2024
Auxiliary request during appeals procedure - 02
May 29, 2024
Auxiliary request during appeals procedure - 03
May 29, 2024
Auxiliary request during appeals procedure - 06
May 29, 2024
Auxiliary request during appeals procedure - 07
May 29, 2024
Auxiliary request during appeals procedure - 10
May 29, 2024
Auxiliary request during appeals procedure - 11
May 29, 2024
Auxiliary request during appeals procedure - 14
May 29, 2024
Auxiliary request during appeals procedure - 15
May 29, 2024
Letter accompanying subsequently filed items
May 29, 2024
Letter relating to Appeal Procedure
Jan 31, 2024
F3345 Forwarding of submissions to parties
Jan 26, 2024
(Electronic) Receipt
Jan 26, 2024
Annexes (other than cited documents) regarding appeal procedure
Jan 26, 2024
Letter accompanying subsequently filed items
Jan 26, 2024
Letter relating to Appeal Procedure
Sep 1, 2023
F3345 Forwarding of submissions to parties
Aug 29, 2023
(Electronic) Receipt
Aug 29, 2023
Amended claims with annotations
Aug 29, 2023
Amended claims with annotations
Aug 29, 2023
Amended claims with annotations
Aug 29, 2023
Amended claims with annotations
Aug 29, 2023
Auxiliary request during appeals procedure - 01
Aug 29, 2023
Auxiliary request during appeals procedure - 04
Aug 29, 2023
Auxiliary request during appeals procedure - 05
Aug 29, 2023
Claims
Aug 29, 2023
Letter accompanying subsequently filed items
Aug 29, 2023
Letter relating to Appeal Procedure
Aug 18, 2023
F3345 Forwarding of submissions to parties
Aug 14, 2023
(Electronic) Receipt
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Amended claims with annotations
Aug 14, 2023
Auxiliary request during appeals procedure - 01
Aug 14, 2023
Auxiliary request during appeals procedure - 02
Aug 14, 2023
Auxiliary request during appeals procedure - 03
Aug 14, 2023
Auxiliary request during appeals procedure - 03
Aug 14, 2023
Auxiliary request during appeals procedure - 04
Aug 14, 2023
Auxiliary request during appeals procedure - 05
Aug 14, 2023
Auxiliary request during appeals procedure - 06
Aug 14, 2023
Auxiliary request during appeals procedure - 07
Aug 14, 2023
Auxiliary request during appeals procedure - 08
Aug 14, 2023
Auxiliary request during appeals procedure - 09
Aug 14, 2023
Auxiliary request during appeals procedure - 10
Aug 14, 2023
Auxiliary request during appeals procedure - 11
Aug 14, 2023
Auxiliary request during appeals procedure - 12
Aug 14, 2023
Auxiliary request during appeals procedure - 13
Aug 14, 2023
Auxiliary request during appeals procedure - 14
Aug 14, 2023
Auxiliary request during appeals procedure - 15
Aug 14, 2023
Cited document during appeal procedure
Aug 14, 2023
Cited document during appeal procedure
Aug 14, 2023
Cited document during appeal procedure
Aug 14, 2023
Letter accompanying subsequently filed items
Aug 14, 2023
Reply to appeal
Apr 3, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Mar 29, 2023
(Electronic) Receipt
Mar 29, 2023
Annexes (other than cited documents) regarding appeal procedure
Mar 29, 2023
Annexes (other than cited documents) regarding appeal procedure
Mar 29, 2023
Annexes (other than cited documents) regarding appeal procedure
Mar 29, 2023
Annexes (other than cited documents) regarding appeal procedure
Mar 29, 2023
Letter accompanying subsequently filed items
Mar 29, 2023
Statement of grounds of appeal
Jan 26, 2023
F3204 Communication of the file number to the parties
Jan 26, 2023
F3204 Communication of the file number to the parties
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 23, 2023
Notice of appeal
Dec 13, 2022
(Electronic) Receipt
Dec 13, 2022
Advice of delivery
Dec 13, 2022
Letter accompanying subsequently filed items
Dec 6, 2022
Annex to the communication - opposition
Dec 6, 2022
Decision of the Opposition Division and instruction
Dec 6, 2022
Druckexemplar in opposition procedure
Dec 6, 2022
Grounds for the decision (Annex) - opposition
Dec 6, 2022
Interlocutory decision in opposition proceedings
Dec 6, 2022
Interlocutory decision in opposition proceedings
Dec 6, 2022
Means of redress
Dec 6, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 6, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 6, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 6, 2022
Provision of a copy of the minutes - opposition procedure
Dec 6, 2022
Provision of a copy of the minutes - opposition procedure
Dec 6, 2022
Scanned annex to a communication - opposition procedure
Dec 6, 2022
Scanned annex to a communication - opposition procedure
Dec 6, 2022
Scanned annex to a communication - opposition procedure
Dec 6, 2022
Transmittal of decision / summons - opposition
Dec 6, 2022
Transmittal of decision / summons - opposition
Nov 17, 2022
Brief communication - Opposition proceedings
Nov 15, 2022
Information about the result of oral proceedings
Nov 14, 2022
(Electronic) Receipt
Nov 14, 2022
Auxiliary request during Opposition procedure
Nov 14, 2022
Auxiliary request during Opposition procedure
Nov 14, 2022
Auxiliary request during Opposition procedure
Nov 14, 2022
Auxiliary request during Opposition procedure
Nov 14, 2022
Auxiliary request during Opposition procedure
Nov 14, 2022
Auxiliary request during Opposition procedure - 11
Nov 14, 2022
Auxiliary request during Opposition procedure - 12
Nov 14, 2022
Auxiliary request during Opposition procedure - 13
Nov 14, 2022
Auxiliary request during Opposition procedure - 14
Nov 14, 2022
Auxiliary request during Opposition procedure - 15
Nov 14, 2022
Letter accompanying subsequently filed items
Nov 14, 2022
Written submission in preparation to/during oral proceedings
Nov 8, 2022
Brief communication - Opposition proceedings
Nov 4, 2022
(Electronic) Receipt
Nov 4, 2022
Letter accompanying subsequently filed items
Nov 4, 2022
Written submission in preparation to/during oral proceedings
Sep 20, 2022
Brief communication - Opposition proceedings
Sep 20, 2022
Brief communication - Opposition proceedings
Sep 15, 2022
(Electronic) Receipt
Sep 15, 2022
Any annexes (other than citation) to an opposition letter
Sep 15, 2022
Any annexes (other than citation) to an opposition letter
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure
Sep 15, 2022
Auxiliary request during Opposition procedure - 01
Sep 15, 2022
Auxiliary request during Opposition procedure - 02
Sep 15, 2022
Auxiliary request during Opposition procedure - 03
Sep 15, 2022
Auxiliary request during Opposition procedure - 04
Sep 15, 2022
Auxiliary request during Opposition procedure - 05
Sep 15, 2022
Auxiliary request during Opposition procedure - 06
Sep 15, 2022
Auxiliary request during Opposition procedure - 07
Sep 15, 2022
Auxiliary request during Opposition procedure - 08
Sep 15, 2022
Auxiliary request during Opposition procedure - 09
Sep 15, 2022
Auxiliary request during Opposition procedure - 10
Sep 15, 2022
Citation in opposition procedure - 007
Sep 15, 2022
Citation in opposition procedure - 008
Sep 15, 2022
Consolidated list of cited opposition documents
Sep 15, 2022
Letter accompanying subsequently filed items
Sep 15, 2022
Written submission in preparation to/during oral proceedings
Sep 14, 2022
(Electronic) Receipt
Sep 14, 2022
Letter accompanying subsequently filed items
Sep 14, 2022
Request for interpreters during oral proceedings
Sep 14, 2022
Written submission in preparation to/during oral proceedings
Apr 21, 2022
(Electronic) Receipt
Apr 21, 2022
Advice of delivery
Apr 21, 2022
Letter accompanying subsequently filed items
Apr 14, 2022
Annex to the communication - opposition
Apr 14, 2022
Information concerning oral proceedings
Apr 14, 2022
Summons to attend oral proceedings
Apr 14, 2022
Summons to attend oral proceedings
Apr 14, 2022
Transmittal of decision / summons - opposition
Apr 14, 2022
Transmittal of decision / summons - opposition
Mar 18, 2022
Brief communication - Opposition proceedings
Mar 14, 2022
(Electronic) Receipt
Mar 14, 2022
Letter accompanying subsequently filed items
Mar 14, 2022
Reply from the opponent to submission of proprietor
Jan 18, 2022
Brief communication - Opposition proceedings
Jan 13, 2022
(Electronic) Receipt
Jan 13, 2022
Citation in opposition procedure - 006
Jan 13, 2022
Letter accompanying subsequently filed items
Jan 13, 2022
Reply of the patent proprietor to the notice(s) of opposition
Nov 10, 2021
Letter accompanying subsequently filed items
Nov 10, 2021
Request concerning representative opponent
Sep 15, 2021
Brief communication - Opposition proceedings
Sep 10, 2021
Communication confirming withdrawal from representation
Sep 10, 2021
Communication of amended entries concerning the representative
Sep 8, 2021
(Electronic) Receipt
Sep 8, 2021
Communication of a notice of opposition and request to file observations
Sep 8, 2021
Letter accompanying subsequently filed items
Sep 8, 2021
Notice of further oppositions to opponent(s)
Sep 8, 2021
Submission concerning change of proprietor's representative
Sep 6, 2021
(Electronic) Receipt
Sep 6, 2021
Letter accompanying subsequently filed items
Sep 6, 2021
Submission concerning change of proprietor's representative
Sep 1, 2021
Communication of a notice of opposition - first information to patent proprietor
Aug 25, 2021
(Electronic) Receipt
Aug 25, 2021
Citation in opposition procedure - 001
Aug 25, 2021
Citation in opposition procedure - 002
Aug 25, 2021
Citation in opposition procedure - 003
Aug 25, 2021
Citation in opposition procedure - 004
Aug 25, 2021
Citation in opposition procedure - 005
Aug 25, 2021
Notice of opposition
Aug 25, 2021
Notice of opposition
Dec 7, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 29, 2020
Decision to grant a European patent
Oct 1, 2020
(Electronic) Receipt
Oct 1, 2020
Filing of the translations of the claims
Oct 1, 2020
French translation of claims
Oct 1, 2020
German translation of the claims
Oct 1, 2020
Letter accompanying subsequently filed items
Sep 4, 2020
Bibliographic data of the European patent application
Sep 4, 2020
Communication about intention to grant a European patent
Sep 4, 2020
Intention to grant (signatures)
Sep 4, 2020
Text intended for grant (clean copy)
Sep 4, 2020
Text intended for grant (version for approval)
Feb 28, 2020
(Electronic) Receipt
Feb 28, 2020
Amended claims with annotations
Feb 28, 2020
Claims
Feb 28, 2020
Letter accompanying subsequently filed items
Feb 28, 2020
Reply to communication from the Examining Division
Nov 26, 2019
Annex to the communication
Nov 26, 2019
Communication from the Examining Division
Nov 20, 2019
Examination started
Nov 18, 2019
Communication of amended entries concerning the representative
Nov 12, 2019
Submission concerning change of applicant's representative
Apr 11, 2019
Decision to allow further processing
Apr 1, 2019
(Electronic) Receipt
Apr 1, 2019
Amended claims filed after receipt of (European) search report
Apr 1, 2019
Amended claims with annotations
Apr 1, 2019
Letter accompanying subsequently filed items
Apr 1, 2019
Request for further processing
Feb 1, 2019
Application deemed to be withdrawn (non-reply to Written Opinion)
Feb 1, 2019
Claim deemed abandoned
Aug 1, 2018
Notification on forthcoming publication of bibliographic data
Jun 4, 2018
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
May 30, 2018
Communication to designated inventor
May 15, 2018
(Electronic) Receipt
May 15, 2018
Request for entry into the European phase
May 15, 2018
Submission concerning representation
May 9, 2018
Copy of the international preliminary report on patentability
Apr 24, 2018
Notification of the recording of a change
Apr 24, 2018
Notification of the recording of a change
Mar 2, 2018
Information on entry into European phase
May 15, 2017
Priority document (electronically transmitted)
Apr 27, 2017
Copy of the international search report
Apr 27, 2017
Published international application - A1
Jan 17, 2017
ISR: cited documents
Jan 16, 2017
Written opinion of the ISA, boxes No. I to VIII
Jan 16, 2017
Written opinion of the ISA, cover sheet
Jan 16, 2017
Written opinion of the ISA, supplemental box
Nov 18, 2016
Incoming letter related to ISA procedure
Nov 18, 2016
Incoming letter related to ISA procedure
Nov 18, 2016
Notification Concerning Documents Transmitted (copy for ISA/EP)
Nov 18, 2016
Substitute sheet (Rule 26) - drawings for ISA/EP
Nov 8, 2016
Notification of receipt of Search copy
Oct 28, 2016
Abstract
Oct 28, 2016
Claims
Oct 28, 2016
Description
Oct 28, 2016
Drawings
Oct 28, 2016
Fee calculation sheet for an international application
Oct 28, 2016
Invitation to Correct Defects in the International Application (copy for ISA/EP)
Oct 28, 2016
Notification Concerning Documents Transmitted (copy for ISA/EP)
Oct 28, 2016
Notification Concerning Payment of Prescribed Fees (copy for ISA/EP)
Oct 28, 2016
Notification of the International Application Number and of the International Filing Date (copy for ISA/EP)
Oct 28, 2016
Request form for international application (copy for ISA/EP)

EP3365039

CONVATEC

Application Number: EP16787539A
Filing Date: Oct 21, 2016
Status: Patent Maintained As Amended; Aug 8, 2025
Publication Date: Sep 10, 2025
External Links: Slate, Register , Google Patents

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Wound Dressing

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Dossier Documents

EP3365039