Wound Dressing

Patent No. EP3746020 (titled "Wound Dressing") was filed by Lohmann & Rauscher on Jan 8, 2019. The application was issued on Aug 23, 2023.

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
ESSITY HYGIENE AND HEALTH AKTIEBOLAG	May 23, 2024	COHAUSZ & FLORACK
ESSITY HYGIENE AND HEALTH AKTIEBOLAG	May 23, 2024	ESSITY HYGIENE AND HEALTH

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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Jan 8, 2026
Annex to the communication - opposition
Jan 8, 2026
Brief communication - Opposition proceedings
Jan 8, 2026
Brief communication - Opposition proceedings
Jan 8, 2026
Druckexemplar in opposition procedure
Jan 8, 2026
Grounds for the decision (Annex) - opposition
Jan 8, 2026
Interlocutory decision in opposition proceedings
Jan 8, 2026
Interlocutory decision in opposition proceedings
Jan 8, 2026
Means of redress
Jan 8, 2026
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jan 8, 2026
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jan 8, 2026
Provision of a copy of the minutes - opposition procedure
Jan 8, 2026
Provision of a copy of the minutes - opposition procedure
Jan 8, 2026
Scanned annex to a communication - opposition procedure
Jan 5, 2026
Decision of the Opposition Division and instruction
Nov 25, 2025
Information about the result of oral proceedings
Nov 12, 2025
Brief communication - Opposition proceedings
Nov 10, 2025
(Electronic) Receipt
Nov 10, 2025
Letter accompanying subsequently filed items
Nov 10, 2025
Written submission in preparation to/during oral proceedings
Sep 30, 2025
Brief communication - Opposition proceedings
Sep 29, 2025
Brief communication - Opposition proceedings
Sep 29, 2025
Brief communication - Opposition proceedings
Sep 25, 2025
(Electronic) Receipt
Sep 25, 2025
Letter accompanying subsequently filed items
Sep 25, 2025
Request for interpreters during oral proceedings
Sep 24, 2025
(Electronic) Receipt
Sep 24, 2025
Auxiliary request during Opposition procedure
Sep 24, 2025
Auxiliary request during Opposition procedure
Sep 24, 2025
Auxiliary request during Opposition procedure
Sep 24, 2025
Auxiliary request during Opposition procedure
Sep 24, 2025
Auxiliary request during Opposition procedure - 01
Sep 24, 2025
Auxiliary request during Opposition procedure - 02
Sep 24, 2025
Auxiliary request during Opposition procedure - 03
Sep 24, 2025
Auxiliary request during Opposition procedure - 04
Sep 24, 2025
Letter accompanying subsequently filed items
Sep 24, 2025
Written submission in preparation to/during oral proceedings
Sep 23, 2025
(Electronic) Receipt
Sep 23, 2025
Citation in opposition procedure - 008
Sep 23, 2025
Citation in opposition procedure - 008
Sep 23, 2025
Citation in opposition procedure - 009
Sep 23, 2025
Citation in opposition procedure - 009
Sep 23, 2025
Citation in opposition procedure - 010
Sep 23, 2025
Citation in opposition procedure - 011
Sep 23, 2025
Citation in opposition procedure - 012
Sep 23, 2025
Citation in opposition procedure - 013
Sep 23, 2025
Consolidated list of cited opposition documents
Sep 23, 2025
Letter accompanying subsequently filed items
Sep 23, 2025
Written submission in preparation to/during oral proceedings
Mar 27, 2025
Brief communication - Opposition proceedings
Mar 27, 2025
Communication of amended entries
Mar 27, 2025
Communication of amended entries
Mar 24, 2025
(Electronic) Receipt
Mar 24, 2025
(Electronic) Receipt
Mar 24, 2025
Letter accompanying subsequently filed items
Mar 24, 2025
Request concerning representative opponent
Mar 24, 2025
Request for change of opponent's representative
Mar 21, 2025
Annex to the communication - opposition
Mar 21, 2025
Information concerning oral proceedings
Mar 21, 2025
Scanned annex to a communication - opposition procedure
Mar 21, 2025
Summons to attend oral proceedings
Mar 21, 2025
Summons to attend oral proceedings
Oct 10, 2024
Brief communication - Opposition proceedings
Oct 7, 2024
(Electronic) Receipt
Oct 7, 2024
Auxiliary request during Opposition procedure
Oct 7, 2024
Auxiliary request during Opposition procedure
Oct 7, 2024
Auxiliary request during Opposition procedure
Oct 7, 2024
Auxiliary request during Opposition procedure
Oct 7, 2024
Auxiliary request during Opposition procedure
Oct 7, 2024
Auxiliary request during Opposition procedure - 01
Oct 7, 2024
Auxiliary request during Opposition procedure - 02
Oct 7, 2024
Auxiliary request during Opposition procedure - 03
Oct 7, 2024
Auxiliary request during Opposition procedure - 04
Oct 7, 2024
Auxiliary request during Opposition procedure - 05
Oct 7, 2024
Letter accompanying subsequently filed items
Oct 7, 2024
Reply of the patent proprietor to the notice(s) of opposition
Jun 7, 2024
Communication of a notice of opposition and request to file observations
Jun 7, 2024
Notice of further oppositions to opponent(s)
May 29, 2024
Communication of a notice of opposition - first information to patent proprietor
May 28, 2024
Communication of amended entries concerning the representative
May 23, 2024
(Electronic) Receipt
May 23, 2024
Citation in opposition procedure - 001
May 23, 2024
Citation in opposition procedure - 002
May 23, 2024
Citation in opposition procedure - 003
May 23, 2024
Citation in opposition procedure - 004
May 23, 2024
Citation in opposition procedure - 005
May 23, 2024
Citation in opposition procedure - 006
May 23, 2024
Citation in opposition procedure - 007
May 23, 2024
Letter accompanying subsequently filed items
May 23, 2024
Notice of opposition
May 23, 2024
Notice of opposition
May 23, 2024
Submission concerning change of applicant's representative
Sep 5, 2023
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 27, 2023
Decision to grant a European patent
Jul 17, 2023
(Electronic) Receipt
Jul 17, 2023
Filing of the translations of the claims
Jul 17, 2023
French translation of claims
Jul 17, 2023
German translation of the claims
Jul 17, 2023
Letter accompanying subsequently filed items
Mar 16, 2023
Annex to the communication about intention to grant a European patent
Mar 16, 2023
Bibliographic data of the European patent application
Mar 16, 2023
Communication about intention to grant a European patent
Mar 16, 2023
Intention to grant (signatures)
Mar 16, 2023
Text intended for grant (clean copy)
Mar 16, 2023
Text intended for grant (version for approval)
Feb 15, 2022
(Electronic) Receipt
Feb 15, 2022
Amended claims with annotations
Feb 15, 2022
Claims
Feb 15, 2022
Letter accompanying subsequently filed items
Feb 15, 2022
Reply to communication from the Examining Division
Oct 19, 2021
Annex to the communication
Oct 19, 2021
Communication from the Examining Division
Jul 20, 2021
(Electronic) Receipt
Jul 20, 2021
Amended description with annotations
Jul 20, 2021
Description
Jul 20, 2021
Letter accompanying subsequently filed items
Jul 20, 2021
Reply to communication from the Examining Division
Jul 15, 2021
Annex to the communication
Jul 15, 2021
Communication from the Examining Division
Jul 8, 2021
Examination started
May 4, 2021
(Electronic) Receipt
May 4, 2021
Letter accompanying subsequently filed items
May 4, 2021
Priority search results
May 4, 2021
Reply to invitation to file a copy of priority search results
Apr 29, 2021
Invitation to file a copy of search results(priority)
Feb 1, 2021
(Electronic) Receipt
Feb 1, 2021
Letter accompanying subsequently filed items
Nov 11, 2020
Notification on forthcoming publication of bibliographic data
Sep 10, 2020
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Sep 4, 2020
Communication to designated inventor
Sep 4, 2020
Communication to designated inventor
Sep 4, 2020
Communication to designated inventor
Sep 4, 2020
Communication to designated inventor
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
Annexes to the international preliminary examination report
Aug 4, 2020
Copy of the international preliminary examination report
Aug 4, 2020
Request for entry into the European phase
Jun 15, 2020
Information on entry into European phase
Aug 26, 2019
Priority document (electronically transmitted)
Aug 12, 2019
Notification of election of EPO
Aug 8, 2019
Copy of the international search report
Aug 8, 2019
Published international application - A1
Aug 6, 2019
Annex to International preliminary examination report
Aug 6, 2019
International preliminary examination report
Aug 6, 2019
International preliminary examination report - free text sheet
Aug 6, 2019
International preliminary examination report - points I-VIII
Aug 6, 2019
Transmittal of International Preliminary Examination Report
Jul 11, 2019
Notification of receipt of demand
Jul 5, 2019
(Electronic) Receipt
Jul 5, 2019
PCT demand form
Jul 5, 2019
PCT(IPEA): Amended sheet - claims
Jul 5, 2019
PCT(IPEA): Amended sheet - claims
Jul 5, 2019
PCT(IPEA): Amended sheet - description
Jul 5, 2019
PCT(IPEA): Amended sheet - description
Jul 5, 2019
Payment of fees and costs
Jul 5, 2019
Reply to International Search Opinion
Feb 27, 2019
Written opinion of the ISA, boxes No. I to VIII
Feb 27, 2019
Written opinion of the ISA, cover sheet
Feb 27, 2019
Written opinion of the ISA, supplemental box
Jan 23, 2019
Notification of the international application number and of the international filing date
Jan 18, 2019
Incoming letter related to PCT RO
Jan 8, 2019
(Electronic) Receipt
Jan 8, 2019
Abstract
Jan 8, 2019
Claims
Jan 8, 2019
Description
Jan 8, 2019
Document concerning fees and payments
Jan 8, 2019
Drawings
Jan 8, 2019
Electronic request for grant of an International application

EP3746020

LOHMANN & RAUSCHER

Application Number: EP19700217A
Filing Date: Jan 8, 2019
Status: Granted And Under Opposition; Jul 21, 2023
Publication Date: Aug 23, 2023
External Links: Slate, Register , Google Patents

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Wound Dressing

Patent Summary

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Patent Oppositions (2)

Dossier Documents

EP3746020