Wound Dressing With Polyacrylate Particles And Its Application

Patent No. EP2067492 (titled "Wound Dressing With Polyacrylate Particles And Its Application") was filed by Paul Hartmann on Nov 27, 2007. The application was issued on Dec 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
MOLNLYCKE HEALTH CARE	Mar 14, 2019	TOSTMANN
SCHILL SEILACHER	Mar 7, 2019	PRINZ & PARTNER MBB

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

Get instant alerts for new documents

Nov 13, 2025
Decision to maintain the European patent in amended form
Nov 13, 2025
Decision to maintain the European patent in amended form
Oct 28, 2025
(Electronic) Receipt
Oct 28, 2025
English translation of the claims
Oct 28, 2025
Filing of the translation of the amended claims
Oct 28, 2025
French translation of claims
Oct 28, 2025
Letter accompanying subsequently filed items
Jul 28, 2025
Communication of bibliographic data
Jul 28, 2025
Communication to opponent concerning maintenance
Jul 28, 2025
Communication with request to file translations
Jul 23, 2025
Maintenance of the patent with the documents specified in the final decision
Apr 3, 2025
Brief communication - Opposition proceedings
Apr 3, 2025
Brief communication - Opposition proceedings
Apr 3, 2025
Decision of the Opposition Division and instruction
Apr 3, 2025
Druckexemplar in opposition procedure
Apr 3, 2025
Grounds for the decision (Annex) - opposition
Apr 3, 2025
Interlocutory decision in opposition proceedings
Apr 3, 2025
Interlocutory decision in opposition proceedings
Apr 3, 2025
Means of redress
Dec 10, 2024
Brief communication - Opposition proceedings
Dec 5, 2024
(Electronic) Receipt
Dec 5, 2024
Letter accompanying subsequently filed items
Dec 5, 2024
Reply to an examination report in opposition proceedings
Oct 21, 2024
Annex to the communication - opposition
Oct 21, 2024
Brief communication - Opposition proceedings
Oct 21, 2024
Brief communication - Opposition proceedings
Oct 21, 2024
Communication inviting the parties to file observations
Oct 21, 2024
Communication inviting the parties to file observations
Jul 19, 2024
Brief communication - Opposition proceedings
Jul 15, 2024
(Electronic) Receipt
Jul 15, 2024
Amended description with annotations
Jul 15, 2024
Description
Jul 15, 2024
Letter accompanying subsequently filed items
Jul 15, 2024
Reply to an examination report in opposition proceedings
Mar 13, 2024
Annex to the communication - opposition
Mar 13, 2024
Brief communication - Opposition proceedings
Mar 13, 2024
Brief communication - Opposition proceedings
Mar 13, 2024
Communication inviting the parties to file observations
Mar 13, 2024
Communication inviting the parties to file observations
Jan 17, 2024
Communication about missing proof of delivery
Dec 11, 2023
Decision of the Board of Appeal
Dec 11, 2023
F3032 Notification(s) of the decision
Dec 11, 2023
F3032 Notification(s) of the decision
Nov 30, 2023
F3013 Oral Proceedings: Forwarding minutes
Nov 30, 2023
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Sep 29, 2023
F3018 Oral proceedings: Confirmation interpreters
Sep 29, 2023
F3345 Forwarding of submissions to parties
Sep 25, 2023
(Electronic) Receipt
Sep 25, 2023
Amended claims with annotations
Sep 25, 2023
Amended claims with annotations
Sep 25, 2023
Amended claims with annotations
Sep 25, 2023
Amended claims with annotations
Sep 25, 2023
Amended claims with annotations
Sep 25, 2023
Amended claims with annotations
Sep 25, 2023
Auxiliary request during appeals procedure - 12
Sep 25, 2023
Auxiliary request during appeals procedure - 13
Sep 25, 2023
Auxiliary request during appeals procedure - 14
Sep 25, 2023
Auxiliary request during appeals procedure - 15
Sep 25, 2023
Auxiliary request during appeals procedure - 16
Sep 25, 2023
Auxiliary request during appeals procedure - 17
Sep 25, 2023
Letter accompanying subsequently filed items
Sep 25, 2023
Letter relating to Appeal Procedure
Sep 21, 2023
F3345 Forwarding of submissions to parties
Sep 18, 2023
(Electronic) Receipt
Sep 18, 2023
Authorisation
Sep 18, 2023
Letter accompanying subsequently filed items
Sep 18, 2023
Letter dealing with oral proceedings during the appeal procedure
Sep 1, 2023
F3345 Forwarding of submissions to parties
Aug 29, 2023
(Electronic) Receipt
Aug 29, 2023
Letter accompanying subsequently filed items
Aug 29, 2023
Letter relating to Appeal Procedure
Aug 9, 2023
F3004 Communication of the Registry
Aug 7, 2023
F3022 Oral proceedings: change of board composition
Aug 2, 2023
F3303.16 Change of composition of the Board (T)
Jul 28, 2023
F3345 Forwarding of submissions to parties
Jul 21, 2023
(Electronic) Receipt
Jul 21, 2023
Annexes (other than cited documents) regarding appeal procedure
Jul 21, 2023
Letter accompanying subsequently filed items
Jul 21, 2023
Letter dealing with oral proceedings during the appeal procedure
Jul 20, 2023
F3345 Forwarding of submissions to parties
Jul 14, 2023
(Electronic) Receipt
Jul 14, 2023
Letter accompanying subsequently filed items
Jul 14, 2023
Letter dealing with oral proceedings during the appeal procedure
Apr 3, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 3, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 13, 2023
F3345 Forwarding of submissions to parties
Mar 6, 2023
(Electronic) Receipt
Mar 6, 2023
Letter accompanying subsequently filed items
Mar 6, 2023
Request for interpreters during oral proceedings
Mar 2, 2023
F3345 Forwarding of submissions to parties
Feb 27, 2023
(Electronic) Receipt
Feb 27, 2023
Letter accompanying subsequently filed items
Feb 27, 2023
Request for interpreters during oral proceedings
Oct 4, 2022
F3936 Acknowledgement of receipt Board of Appeal
Sep 26, 2022
F3004 Communication of the Registry
Sep 26, 2022
F3011.1 Oral Proceedings: summons
Sep 26, 2022
F3011.1 Oral Proceedings: summons
Sep 21, 2022
F3010 Oral proceedings: order for summons
May 4, 2022
F3345 Forwarding of submissions to parties
Apr 28, 2022
(Electronic) Receipt
Apr 28, 2022
Annexes (other than cited documents) regarding appeal procedure
Apr 28, 2022
Letter accompanying subsequently filed items
Apr 28, 2022
Letter relating to Appeal Procedure
Mar 24, 2022
F3056 Communication: Change of Board due to the technical nature of the appeal
Mar 24, 2022
F3313 Order: change of Board due to the technical aspects of the appeal
Mar 23, 2022
Composition of the board (T)
Mar 21, 2022
F3345 Forwarding of submissions to parties
Mar 21, 2022
F3345 Forwarding of submissions to parties
Mar 4, 2022
(Electronic) Receipt
Mar 4, 2022
Letter accompanying subsequently filed items
Mar 4, 2022
Reply to appeal
Feb 25, 2022
(Electronic) Receipt
Feb 25, 2022
Amended claims with annotations
Feb 25, 2022
Amended claims with annotations
Feb 25, 2022
Amended claims with annotations
Feb 25, 2022
Amended claims with annotations
Feb 25, 2022
Amended claims with annotations
Feb 25, 2022
Amended claims with annotations
Feb 25, 2022
Amended claims with annotations
Feb 25, 2022
Auxiliary request during appeals procedure - 05
Feb 25, 2022
Auxiliary request during appeals procedure - 06
Feb 25, 2022
Auxiliary request during appeals procedure - 07
Feb 25, 2022
Auxiliary request during appeals procedure - 08
Feb 25, 2022
Auxiliary request during appeals procedure - 09
Feb 25, 2022
Auxiliary request during appeals procedure - 10
Feb 25, 2022
Auxiliary request during appeals procedure - 11
Feb 25, 2022
Letter accompanying subsequently filed items
Feb 25, 2022
Reply to appeal
Nov 18, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 19, 2021
(Electronic) Receipt
Oct 19, 2021
Amended claims with annotations
Oct 19, 2021
Amended claims with annotations
Oct 19, 2021
Amended claims with annotations
Oct 19, 2021
Amended claims with annotations
Oct 19, 2021
Amended claims with annotations
Oct 19, 2021
Amended claims with annotations
Oct 19, 2021
Letter accompanying subsequently filed items
Oct 19, 2021
Statement of grounds of appeal
Oct 15, 2021
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Oct 11, 2021
(Electronic) Receipt
Oct 11, 2021
Annexes (other than cited documents) regarding appeal procedure
Oct 11, 2021
Annexes (other than cited documents) regarding appeal procedure
Oct 11, 2021
Citation in appeal procedure - 019
Oct 11, 2021
Letter accompanying subsequently filed items
Oct 11, 2021
Statement of grounds of appeal
Aug 11, 2021
F3345 Forwarding of submissions to parties
Aug 10, 2021
Clean copy of description pages in the opposition procedure
Aug 10, 2021
Letter relating to Appeal Procedure
Aug 6, 2021
Clean copy of description pages in the opposition procedure
Aug 6, 2021
Letter relating to Appeal Procedure
Aug 5, 2021
F3204 Communication of the file number to the parties
Aug 5, 2021
F3204 Communication of the file number to the parties
Jul 29, 2021
(Electronic) Receipt
Jul 29, 2021
Letter accompanying subsequently filed items
Jul 29, 2021
Notice of appeal
Jul 6, 2021
F3204 Communication of the file number to the parties
Jul 6, 2021
F3204 Communication of the file number to the parties
Jun 29, 2021
(Electronic) Receipt
Jun 29, 2021
Letter accompanying subsequently filed items
Jun 29, 2021
Notice of appeal
Jun 22, 2021
Advice of delivery
Jun 11, 2021
Advice of delivery
Jun 9, 2021
Annex to the communication - opposition
Jun 9, 2021
Druckexemplar in opposition procedure
Jun 9, 2021
Grounds for the decision (Annex) - opposition
Jun 9, 2021
Interlocutory decision in opposition proceedings
Jun 9, 2021
Internal form - Opposition/addressees
Jun 9, 2021
Internal form - Opposition/addressees
Jun 9, 2021
Means of redress
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jun 9, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jun 9, 2021
Provision of a copy of the minutes - opposition procedure
Jun 9, 2021
Scanned annex to a communication - opposition procedure
Jun 9, 2021
Scanned annex to a communication - opposition procedure
Jun 9, 2021
Scanned annex to a communication - opposition procedure
Jun 9, 2021
Transmittal of decision / summons - opposition
Jun 9, 2021
Transmittal of decision / summons - opposition
Apr 23, 2021
Information about the result of oral proceedings
Apr 16, 2021
(Electronic) Receipt
Apr 16, 2021
Letter accompanying subsequently filed items
Mar 1, 2021
Brief communication - Opposition proceedings
Feb 26, 2021
Notification concerning the date of oral proceedings
Feb 26, 2021
Notification concerning the date of oral proceedings
Feb 25, 2021
Brief communication - Opposition proceedings
Feb 23, 2021
(Electronic) Receipt
Feb 23, 2021
Letter accompanying subsequently filed items
Feb 23, 2021
Written submission in preparation to/during oral proceedings
Feb 22, 2021
(Electronic) Receipt
Feb 22, 2021
Citation in opposition procedure - 018
Feb 22, 2021
Consolidated list of cited opposition documents
Feb 22, 2021
Letter accompanying subsequently filed items
Feb 22, 2021
Written submission in preparation to/during oral proceedings
Oct 13, 2020
Brief communication - Opposition proceedings
Oct 7, 2020
Request for interpreters during oral proceedings
Sep 29, 2020
Advice of delivery
Sep 28, 2020
Advice of delivery
Sep 23, 2020
Acknowledgement of a document
Sep 23, 2020
Acknowledgement of a document
Sep 23, 2020
Annex to the communication - opposition
Sep 23, 2020
Information concerning oral proceedings
Sep 23, 2020
Summons to attend oral proceedings
Sep 23, 2020
Summons to attend oral proceedings
Sep 18, 2020
(Electronic) Receipt
Sep 18, 2020
Advice of delivery
Sep 18, 2020
Letter accompanying subsequently filed items
Sep 8, 2020
Notification concerning the date of oral proceedings
Sep 8, 2020
Notification concerning the date of oral proceedings
Aug 18, 2020
Brief communication - Opposition proceedings
Aug 13, 2020
(Electronic) Receipt
Aug 13, 2020
Authorisation
Aug 13, 2020
Letter accompanying subsequently filed items
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 10, 2020
Brief communication - Opposition proceedings
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
Letter accompanying subsequently filed items
Aug 4, 2020
Oral proceedings: reply to date proposed
Jul 31, 2020
(Electronic) Receipt
Jul 31, 2020
Auxiliary request during Opposition procedure
Jul 31, 2020
Auxiliary request during Opposition procedure - 01
Jul 31, 2020
Letter accompanying subsequently filed items
Jul 31, 2020
Main request during Opposition procedure
Jul 31, 2020
Main request during Opposition procedure
Jul 31, 2020
Oral proceedings: reply to date proposed
Jul 31, 2020
Written submission in preparation to/during oral proceedings
Jul 28, 2020
Brief communication - Opposition proceedings
Jul 23, 2020
(Electronic) Receipt
Jul 23, 2020
Letter accompanying subsequently filed items
Jul 23, 2020
Request for interpreters during oral proceedings
Jul 22, 2020
Notification concerning the date of oral proceedings
Jul 22, 2020
Notification concerning the date of oral proceedings
Jun 23, 2020
Brief communication - Opposition proceedings
Jun 18, 2020
(Electronic) Receipt
Jun 18, 2020
Citation in opposition procedure - 014
Jun 18, 2020
Citation in opposition procedure - 015
Jun 18, 2020
Citation in opposition procedure - 016
Jun 18, 2020
Citation in opposition procedure - 017
Jun 18, 2020
Letter accompanying subsequently filed items
Jun 18, 2020
Written submission in preparation to/during oral proceedings
Feb 17, 2020
Brief communication - Opposition proceedings
Feb 10, 2020
Request for interpreters during oral proceedings
Feb 4, 2020
Advice of delivery
Feb 3, 2020
Advice of delivery
Jan 30, 2020
Acknowledgement of a document
Jan 30, 2020
Acknowledgement of a document
Jan 30, 2020
Information concerning oral proceedings
Jan 30, 2020
Summons to attend oral proceedings
Jan 30, 2020
Summons to attend oral proceedings
Jan 28, 2020
Notification concerning the date of oral proceedings
Jan 28, 2020
Notification concerning the date of oral proceedings
Jan 23, 2020
Brief communication - Opposition proceedings
Jan 23, 2020
Brief communication - Opposition proceedings
Jan 23, 2020
Brief communication - Opposition proceedings
Jan 20, 2020
(Electronic) Receipt
Jan 20, 2020
Letter accompanying subsequently filed items
Jan 20, 2020
Withdrawal of an opposition
Jan 10, 2020
Brief communication - Opposition proceedings
Jan 10, 2020
Brief communication - Opposition proceedings
Jan 3, 2020
Any annexes (other than citation) to an opposition letter
Jan 3, 2020
Oral proceedings: Request for postponement
Dec 19, 2019
Advice of delivery
Dec 19, 2019
Advice of delivery
Dec 17, 2019
Advice of delivery
Dec 16, 2019
Acknowledgement of a document
Dec 16, 2019
Acknowledgement of a document
Dec 16, 2019
Acknowledgement of a document
Dec 16, 2019
Annex to the communication - opposition
Dec 16, 2019
Information concerning oral proceedings
Dec 16, 2019
Summons to attend oral proceedings
Dec 16, 2019
Summons to attend oral proceedings
Dec 16, 2019
Summons to attend oral proceedings
Aug 20, 2019
Brief communication - Opposition proceedings
Aug 20, 2019
Brief communication - Opposition proceedings
Aug 20, 2019
Communication of amended entries concerning the representative
Aug 19, 2019
Brief communication - Opposition proceedings
Aug 19, 2019
Brief communication - Opposition proceedings
Aug 13, 2019
(Electronic) Receipt
Aug 13, 2019
Letter accompanying subsequently filed items
Aug 13, 2019
Submission concerning change of proprietor's representative
Aug 12, 2019
(Electronic) Receipt
Aug 12, 2019
Auxiliary request during Opposition procedure
Aug 12, 2019
Auxiliary request during Opposition procedure
Aug 12, 2019
Auxiliary request during Opposition procedure
Aug 12, 2019
Auxiliary request during Opposition procedure - 01
Aug 12, 2019
Auxiliary request during Opposition procedure - 02
Aug 12, 2019
Auxiliary request during Opposition procedure - 03
Aug 12, 2019
Letter accompanying subsequently filed items
Aug 12, 2019
Reply of the patent proprietor to the notice(s) of opposition
Apr 1, 2019
Communication of a notice of opposition and request to file observations
Apr 1, 2019
Notice of further oppositions to opponent(s)
Apr 1, 2019
Notice of further oppositions to opponent(s)
Mar 20, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 14, 2019
(Electronic) Receipt
Mar 14, 2019
Notice of opposition
Mar 14, 2019
Notice of opposition
Mar 14, 2019
Patent document cited during the opposition procedure
Mar 12, 2019
Communication of a notice of opposition - first information to patent proprietor
Mar 7, 2019
(Electronic) Receipt
Mar 7, 2019
Notice of opposition
Mar 7, 2019
Notice of opposition
Jul 2, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 25, 2018
Decision to grant a European patent
May 11, 2018
(Electronic) Receipt
May 11, 2018
English translation of the claims
May 11, 2018
Filing of the translations of the claims
May 11, 2018
French translation of claims
May 11, 2018
Letter accompanying subsequently filed items
Jan 31, 2018
Bibliographic data of the European patent application
Jan 31, 2018
Communication about intention to grant a European patent
Jan 31, 2018
Intention to grant (signatures)
Jan 31, 2018
Text intended for grant (clean copy)
Jan 31, 2018
Text intended for grant (version for approval)
Jun 14, 2017
(Electronic) Receipt
Jun 14, 2017
Amended description with annotations
Jun 14, 2017
Amended drawings with annotations
Jun 14, 2017
Description
Jun 14, 2017
Drawings
Jun 14, 2017
Letter accompanying subsequently filed items
Jun 14, 2017
Modified abstract
Jun 14, 2017
Modified abstract
Jun 14, 2017
Reply to communication from the Examining Division
Feb 10, 2017
Annex to the communication
Feb 10, 2017
Communication from the Examining Division
Jul 18, 2016
(Electronic) Receipt
Jul 18, 2016
Amended description with annotations
Jul 18, 2016
Description
Jul 18, 2016
Letter accompanying subsequently filed items
Jul 18, 2016
Reply to communication from the Examining Division
Mar 8, 2016
Annex to the communication
Mar 8, 2016
Communication from the Examining Division
Jul 23, 2015
(Electronic) Receipt
Jul 23, 2015
Letter accompanying subsequently filed items
Jul 23, 2015
Reply to communication from the Examining Division
Mar 16, 2015
Annex to the communication
Mar 16, 2015
Communication from the Examining Division
May 2, 2014
(Electronic) Receipt
May 2, 2014
Amended claims with annotations
May 2, 2014
Claims
May 2, 2014
Letter accompanying subsequently filed items
May 2, 2014
Non-patent literature cited during the examination procedure
May 2, 2014
Reply to communication from the Examining Division
Mar 5, 2014
Grant of extension of time limit (examination procedure)
Feb 27, 2014
(Electronic) Receipt
Feb 27, 2014
Letter accompanying subsequently filed items
Feb 27, 2014
Request for extension of time limit to communication from the Examining Division
Oct 24, 2013
Annex to the communication
Oct 24, 2013
Communication from the Examining Division
Nov 17, 2012
Claims
Nov 17, 2012
Reply to communication from the Examining Division
Nov 14, 2012
Payment of fees and costs
Nov 14, 2012
Payment of fees and costs
Sep 11, 2012
Grant of extension of time limit (examination procedure)
Sep 4, 2012
Payment of fees and costs
Sep 4, 2012
Request for extension of time limit to communication from the Examining Division
May 10, 2012
Annex to the communication
May 10, 2012
Communication from the Examining Division
Nov 9, 2011
Letter concerning fees and payments
Nov 10, 2010
Letter concerning fees and payments
Nov 10, 2010
Letter concerning fees and payments
Jun 4, 2010
Amended claims with annotations
Jun 4, 2010
Claims
Jun 4, 2010
Reply to communication from the Examining Division
Apr 27, 2010
Grant of extension of time limit (examination procedure)
Apr 14, 2010
Request for extension of time limit to communication from the Examining Division
Dec 16, 2009
Communication from the Examining Division
Dec 16, 2009
Refund of fees
Dec 4, 2009
Notice on debiting of fees
Nov 17, 2009
Letter accompanying subsequently filed items
Nov 17, 2009
Payment of fees and costs
Oct 30, 2009
Payment of fees and costs
Jun 15, 2009
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
May 13, 2009
Notification of forthcoming publication
May 13, 2008
Communication regarding the transmission of the European search report
May 13, 2008
European search opinion
May 13, 2008
European search report
Nov 27, 2007
Abstract
Nov 27, 2007
Claims
Nov 27, 2007
Description
Nov 27, 2007
Designation of inventor
Nov 27, 2007
Drawings
Nov 27, 2007
Request for grant of a European patent

EP2067492

PAUL HARTMANN

Application Number: EP07022915A
Filing Date: Nov 27, 2007
Status: Patent Maintained As Amended; Nov 7, 2025
Publication Date: Dec 10, 2025
External Links: Slate, Register , Google Patents

IP Verse

Wound Dressing With Polyacrylate Particles And Its Application

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2067492