Multi-Layer Wound Care Product With Perforated Release Layer

Patent No. EP3558399 (titled "Multi-Layer Wound Care Product With Perforated Release Layer") was filed by BSN Medical on Dec 19, 2017. The application was issued on Jan 20, 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
MOLNLYCKE HEALTH CARE	Sep 28, 2021	WALLINGER RICKER SCHLOTTER TOSTMANN

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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Dec 18, 2025
Decision to maintain the European patent in amended form
Dec 18, 2025
Decision to maintain the European patent in amended form
Dec 5, 2025
(Electronic) Receipt
Dec 5, 2025
Filing of the translation of the amended claims
Dec 5, 2025
French translation of claims
Dec 5, 2025
German translation of the claims
Sep 8, 2025
Communication of bibliographic data
Sep 8, 2025
Communication to opponent concerning maintenance
Sep 8, 2025
Communication with request to file translations
Sep 2, 2025
Maintenance of the patent with the documents specified in the final decision
Aug 25, 2025
Decision of the Board of Appeal
Aug 25, 2025
F3032 Notification(s) of the decision
Aug 25, 2025
F3032 Notification(s) of the decision
Jul 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Jul 11, 2025
F3013 Oral Proceedings: Forwarding minutes
Jul 11, 2025
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Jun 30, 2025
F3345 Forwarding of submissions to parties
Jun 27, 2025
(Electronic) Receipt
Jun 27, 2025
(Electronic) Receipt
Jun 27, 2025
F3345 Forwarding of submissions to parties
Jun 27, 2025
Letter accompanying subsequently filed items
Jun 27, 2025
Letter accompanying subsequently filed items
Jun 27, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 27, 2025
Letter dealing with oral proceedings during the appeal procedure
Jun 12, 2025
F3345 Forwarding of submissions to parties
Jun 6, 2025
(Electronic) Receipt
Jun 6, 2025
Letter accompanying subsequently filed items
Jun 6, 2025
Request for interpreters during oral proceedings
May 19, 2025
Communication of amended entries in the Register of European Patents
May 19, 2025
F3345 Forwarding of submissions to parties
May 13, 2025
Letter accompanying subsequently filed items
May 13, 2025
Request for a change of address - opponent
May 6, 2025
F3345 Forwarding of submissions to parties
Apr 28, 2025
(Electronic) Receipt
Apr 28, 2025
Letter accompanying subsequently filed items
Apr 28, 2025
Letter dealing with oral proceedings during the appeal procedure
Apr 17, 2025
F3345 Forwarding of submissions to parties
Apr 14, 2025
(Electronic) Receipt
Apr 14, 2025
Letter accompanying subsequently filed items
Apr 14, 2025
Letter relating to Appeal Procedure
Mar 25, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 25, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 24, 2025
F3022 Oral proceedings: change of board composition
Mar 24, 2025
F3022 Oral proceedings: change of board composition
Mar 24, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 24, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 21, 2025
F3011.2 Oral Proceedings: Summons VICO
Mar 21, 2025
F3011.2 Oral Proceedings: Summons VICO
Mar 21, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 21, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 21, 2025
F3303.16 Change of composition of the Board (T)
Mar 18, 2025
F3010 Oral proceedings: order for summons
Mar 18, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Oct 10, 2024
F3011.2 Oral Proceedings: Summons VICO
Oct 10, 2024
F3011.2 Oral Proceedings: Summons VICO
Oct 6, 2024
F3010 Oral proceedings: order for summons
Oct 6, 2024
F3303.16 Change of composition of the Board (T)
Sep 19, 2024
F3345 Forwarding of submissions to parties
Sep 13, 2024
(Electronic) Receipt
Sep 13, 2024
Letter accompanying subsequently filed items
Sep 13, 2024
Letter relating to Appeal Procedure
Jul 16, 2024
F3345 Forwarding of submissions to parties
Jul 11, 2024
(Electronic) Receipt
Jul 11, 2024
Letter accompanying subsequently filed items
Jul 11, 2024
Letter relating to Appeal Procedure
May 3, 2024
Composition of the board (T)
Apr 24, 2024
F3056 Communication: Change of Board due to the technical nature of the appeal
Apr 24, 2024
F3056 Communication: Change of Board due to the technical nature of the appeal
Apr 19, 2024
F3313 Order: change of Board due to the technical aspects of the appeal
Feb 29, 2024
F3345 Forwarding of submissions to parties
Feb 26, 2024
(Electronic) Receipt
Feb 26, 2024
Annexes (other than cited documents) regarding appeal procedure
Feb 26, 2024
Letter accompanying subsequently filed items
Feb 26, 2024
Letter relating to Appeal Procedure
Dec 5, 2023
F3345 Forwarding of submissions to parties
Nov 29, 2023
(Electronic) Receipt
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Amended claims with annotations
Nov 29, 2023
Auxiliary request during appeals procedure - 01
Nov 29, 2023
Auxiliary request during appeals procedure - 02
Nov 29, 2023
Auxiliary request during appeals procedure - 03
Nov 29, 2023
Auxiliary request during appeals procedure - 04
Nov 29, 2023
Auxiliary request during appeals procedure - 05
Nov 29, 2023
Auxiliary request during appeals procedure - 06
Nov 29, 2023
Auxiliary request during appeals procedure - 07
Nov 29, 2023
Auxiliary request during appeals procedure - 08
Nov 29, 2023
Auxiliary request during appeals procedure - 09
Nov 29, 2023
Letter accompanying subsequently filed items
Nov 29, 2023
Reply to appeal
Oct 9, 2023
F3345 Forwarding of submissions to parties
Sep 29, 2023
(Electronic) Receipt
Sep 29, 2023
Annexes (other than cited documents) regarding appeal procedure
Sep 29, 2023
Letter accompanying subsequently filed items
Sep 29, 2023
Reply to appeal
Jul 19, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 19, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 11, 2023
(Electronic) Receipt
Jul 11, 2023
Letter accompanying subsequently filed items
Jul 11, 2023
Statement of grounds of appeal
Jun 20, 2023
(Electronic) Receipt
Jun 20, 2023
Letter accompanying subsequently filed items
Jun 20, 2023
Statement of grounds of appeal
May 12, 2023
F3204 Communication of the file number to the parties
May 12, 2023
F3204 Communication of the file number to the parties
May 4, 2023
(Electronic) Receipt
May 4, 2023
Letter accompanying subsequently filed items
May 4, 2023
Notice of appeal
Apr 25, 2023
F3204 Communication of the file number to the parties
Apr 25, 2023
F3204 Communication of the file number to the parties
Apr 18, 2023
(Electronic) Receipt
Apr 18, 2023
Letter accompanying subsequently filed items
Apr 18, 2023
Notice of appeal
Mar 8, 2023
Advice of delivery
Mar 1, 2023
Annex to the communication - opposition
Mar 1, 2023
Decision of the Opposition Division and instruction
Mar 1, 2023
Druckexemplar in opposition procedure
Mar 1, 2023
Grounds for the decision (Annex) - opposition
Mar 1, 2023
Interlocutory decision in opposition proceedings
Mar 1, 2023
Interlocutory decision in opposition proceedings
Mar 1, 2023
Means of redress
Mar 1, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 1, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 1, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 1, 2023
Provision of a copy of the minutes - opposition procedure
Mar 1, 2023
Provision of a copy of the minutes - opposition procedure
Mar 1, 2023
Scanned annex to a communication - opposition procedure
Mar 1, 2023
Scanned annex to a communication - opposition procedure
Mar 1, 2023
Scanned annex to a communication - opposition procedure
Mar 1, 2023
Transmittal of decision / summons - opposition
Mar 1, 2023
Transmittal of decision / summons - opposition
Feb 14, 2023
Information about the result of oral proceedings
Dec 19, 2022
Brief communication - Opposition proceedings
Dec 14, 2022
(Electronic) Receipt
Dec 14, 2022
(Electronic) Receipt
Dec 14, 2022
(Electronic) Receipt
Dec 14, 2022
Citation in opposition procedure - 016
Dec 14, 2022
Citation in opposition procedure - 017
Dec 14, 2022
Consolidated list of cited opposition documents
Dec 14, 2022
Letter accompanying subsequently filed items
Dec 14, 2022
Letter accompanying subsequently filed items
Dec 14, 2022
Request for interpreters during oral proceedings
Dec 14, 2022
Written submission in preparation to/during oral proceedings
Dec 9, 2022
Brief communication - Opposition proceedings
Dec 5, 2022
(Electronic) Receipt
Dec 5, 2022
Citation in opposition procedure - 014
Dec 5, 2022
Citation in opposition procedure - 015
Dec 5, 2022
Letter accompanying subsequently filed items
Dec 5, 2022
Written submission in preparation to/during oral proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Jun 21, 2022
Advice of delivery
Jun 21, 2022
Annex to the communication - opposition
Jun 21, 2022
Information concerning oral proceedings
Jun 21, 2022
Scanned annex to a communication - opposition procedure
Jun 21, 2022
Summons to attend oral proceedings
Jun 21, 2022
Summons to attend oral proceedings
Jun 21, 2022
Transmittal of decision / summons - opposition
Jun 21, 2022
Transmittal of decision / summons - opposition
Jun 17, 2022
Brief communication - Opposition proceedings
Jun 10, 2022
(Electronic) Receipt
Jun 10, 2022
Any annexes (other than citation) to an opposition letter
Jun 10, 2022
Any annexes (other than citation) to an opposition letter
Jun 10, 2022
Letter accompanying subsequently filed items
Jun 10, 2022
Reply from the opponent to submission of proprietor
May 10, 2022
Communication of amended entries concerning the representative
May 4, 2022
Submission concerning change of applicant's representative
May 4, 2022
Submission concerning change of applicant's representative
Apr 19, 2022
Brief communication
Apr 19, 2022
Brief communication to third party
Apr 19, 2022
Communication from the Legal Division
Apr 7, 2022
Letter to the Legal Division
Apr 6, 2022
Brief communication to third party
Apr 6, 2022
Brief communication to third party
Apr 6, 2022
Communication from the Legal Division
Mar 17, 2022
Brief communication - Opposition proceedings
Mar 15, 2022
Annex
Mar 15, 2022
Letter to the Legal Division
Mar 11, 2022
(Electronic) Receipt
Mar 11, 2022
Auxiliary request during Opposition procedure
Mar 11, 2022
Auxiliary request during Opposition procedure
Mar 11, 2022
Auxiliary request during Opposition procedure
Mar 11, 2022
Auxiliary request during Opposition procedure
Mar 11, 2022
Auxiliary request during Opposition procedure
Mar 11, 2022
Auxiliary request during Opposition procedure
Mar 11, 2022
Auxiliary request during Opposition procedure
Mar 11, 2022
Auxiliary request during Opposition procedure - 01
Mar 11, 2022
Auxiliary request during Opposition procedure - 02
Mar 11, 2022
Auxiliary request during Opposition procedure - 03
Mar 11, 2022
Auxiliary request during Opposition procedure - 04
Mar 11, 2022
Auxiliary request during Opposition procedure - 05
Mar 11, 2022
Auxiliary request during Opposition procedure - 06
Mar 11, 2022
Auxiliary request during Opposition procedure - 07
Mar 11, 2022
Letter accompanying subsequently filed items
Mar 11, 2022
Main request during Opposition procedure
Mar 11, 2022
Reply of the patent proprietor to the notice(s) of opposition
Nov 4, 2021
Communication of a notice of opposition and request to file observations
Nov 4, 2021
Notice of further oppositions to opponent(s)
Oct 5, 2021
Communication of a notice of opposition - first information to patent proprietor
Sep 28, 2021
(Electronic) Receipt
Sep 28, 2021
Any annexes (other than citation) to an opposition letter
Sep 28, 2021
Citation in opposition procedure - 001
Sep 28, 2021
Citation in opposition procedure - 002
Sep 28, 2021
Citation in opposition procedure - 003
Sep 28, 2021
Citation in opposition procedure - 004
Sep 28, 2021
Citation in opposition procedure - 005
Sep 28, 2021
Citation in opposition procedure - 006
Sep 28, 2021
Citation in opposition procedure - 007
Sep 28, 2021
Citation in opposition procedure - 008
Sep 28, 2021
Citation in opposition procedure - 009
Sep 28, 2021
Citation in opposition procedure - 010
Sep 28, 2021
Citation in opposition procedure - 011
Sep 28, 2021
Citation in opposition procedure - 012
Sep 28, 2021
Citation in opposition procedure - 013
Sep 28, 2021
Consolidated list of cited opposition documents
Sep 28, 2021
Notice of opposition
Sep 28, 2021
Notice of opposition
Feb 1, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 11, 2021
Decision to grant a European patent
Nov 10, 2020
(Electronic) Receipt
Nov 10, 2020
Filing of the translations of the claims
Nov 10, 2020
French translation of claims
Nov 10, 2020
German translation of the claims
Nov 10, 2020
Letter accompanying subsequently filed items
Jul 6, 2020
Bibliographic data of the European patent application
Jul 6, 2020
Communication about intention to grant a European patent
Jul 6, 2020
Intention to grant (signatures)
Jul 6, 2020
Text intended for grant (clean copy)
Jul 6, 2020
Text intended for grant (version for approval)
May 29, 2020
Examination started
Dec 5, 2019
Confirmation of revocation of automatic debit order
Dec 2, 2019
Letter relating to the automatic debiting procedure
Oct 2, 2019
Notification on forthcoming publication of bibliographic data
Aug 1, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jul 30, 2019
Communication to designated inventor
Jul 30, 2019
Communication to designated inventor
Jul 25, 2019
Priority search results copy provided by EPO
Jun 25, 2019
(Electronic) Receipt
Jun 25, 2019
Request for entry into the European phase
Jun 24, 2019
Amended claims filed after receipt of (European) search report
Jun 24, 2019
Annex
Jun 24, 2019
Copy of the international preliminary examination report
May 6, 2019
Information on entry into European phase
Mar 6, 2019
Annex to International preliminary examination report
Mar 6, 2019
International preliminary examination report
Mar 6, 2019
International preliminary examination report - free text sheet
Mar 6, 2019
International preliminary examination report - points I-VIII
Mar 6, 2019
Transmittal of International Preliminary Examination Report
Feb 26, 2019
Notification of the recording of a change
Feb 26, 2019
Notification of the recording of a change
Jan 15, 2019
(Electronic) Receipt
Jan 15, 2019
Letter regarding PCTII procedure
Jan 15, 2019
PCT(IPEA): Amended sheet - claims
Jan 15, 2019
PCT(IPEA): Amended sheet - claims
Jan 8, 2019
Notification of the recording of a change
Jan 8, 2019
Notification of the recording of a change
Jan 8, 2019
Notification of the recording of a change
Dec 13, 2018
(Electronic) Receipt
Dec 13, 2018
Incoming letter related to PCT RO
Dec 13, 2018
Incoming letter related to PCT RO
Dec 6, 2018
Notification of election of EPO
Nov 23, 2018
Amendments of documents (Article 19 PCT) (without attachments)
Nov 15, 2018
Written opinion
Nov 15, 2018
Written opinion - free text sheet
Nov 15, 2018
Written opinion - points I-VIII
Oct 24, 2018
Notification of receipt of demand
Oct 18, 2018
(Electronic) Receipt
Oct 18, 2018
PCT demand form
Oct 18, 2018
PCT(IPEA): Amended sheet - claims
Oct 18, 2018
PCT(IPEA): Amended sheet - claims
Oct 18, 2018
Payment of fees and costs
Oct 18, 2018
Reply to International Search Opinion
Jul 18, 2018
Priority document (electronically transmitted)
Jun 28, 2018
Copy of the international search report
Jun 28, 2018
Published international application - A1
Apr 5, 2018
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Mar 22, 2018
(Electronic) Receipt
Mar 22, 2018
Incoming letter related to PCT RO
Mar 22, 2018
Incoming letter related to PCT RO
Mar 1, 2018
ISR: cited documents
Feb 28, 2018
Written opinion of the ISA, boxes No. I to VIII
Feb 28, 2018
Written opinion of the ISA, cover sheet
Feb 28, 2018
Written opinion of the ISA, supplemental box
Jan 5, 2018
Notification of receipt of Search copy
Jan 2, 2018
Notification of the international application number and of the international filing date
Dec 20, 2017
Request form for international application (copy for ISA/EP)
Dec 19, 2017
(Electronic) Receipt
Dec 19, 2017
Abstract
Dec 19, 2017
Claims
Dec 19, 2017
Description
Dec 19, 2017
Document concerning fees and payments
Dec 19, 2017
Drawings
Dec 19, 2017
Electronic request for grant of an International application
Dec 19, 2017
Incoming communication concerning PCT Direct
Dec 19, 2017
Priority document (RO-procedure)

EP3558399

BSN MEDICAL

Application Number: EP17816857A
Filing Date: Dec 19, 2017
Status: Granted And Under Opposition; Dec 18, 2020
Publication Date: Jan 20, 2021
External Links: Slate, Register , Google Patents

IP Verse

Multi-Layer Wound Care Product With Perforated Release Layer

Patent Summary

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Dossier Documents

EP3558399