Device And Method For Wound Therapy

Patent No. EP2596815 (titled "Device And Method For Wound Therapy") was filed by Kalypto Medical on May 10, 2007. The application was issued on Aug 13, 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
KCI MANUFACTURING UNLIMITED	Nov 19, 2020	SIMMONS & SIMMONS
PAJARO	Nov 19, 2020	BIRD & BIRD

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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Jul 17, 2025
Decision to maintain the European patent in amended form
Jul 17, 2025
Decision to maintain the European patent in amended form
Jul 17, 2025
Decision to maintain the European patent in amended form
Jul 7, 2025
Brief communication - Opposition proceedings
Jul 7, 2025
Brief communication - Opposition proceedings
Jul 4, 2025
(Electronic) Receipt
Jul 4, 2025
Authorisation
Jul 4, 2025
Communication confirming withdrawal from representation
Jul 4, 2025
Communication of amended entries concerning the representative
Jul 4, 2025
Filing of the translation of the amended claims
Jul 4, 2025
French translation of claims
Jul 4, 2025
German translation of the claims
Jun 11, 2025
(Electronic) Receipt
Jun 11, 2025
Letter accompanying subsequently filed items
Jun 11, 2025
Submission concerning change of proprietor's representative
Jun 10, 2025
Communication of bibliographic data
Jun 10, 2025
Communication to opponent concerning maintenance
Jun 10, 2025
Communication to opponent concerning maintenance
Jun 10, 2025
Communication with request to file translations
Jun 4, 2025
Maintenance of the patent with the documents specified in the final decision
Jun 3, 2025
Maintenance of the patent with the documents specified in the final decision
May 30, 2025
Druckexemplar in opposition procedure
May 16, 2025
Decision of the Board of Appeal
May 16, 2025
F3032 Notification(s) of the decision
May 16, 2025
F3032 Notification(s) of the decision
May 16, 2025
F3032 Notification(s) of the decision
Mar 19, 2025
F3013 Oral Proceedings: Forwarding minutes
Mar 19, 2025
F3317 Oral Proceedings: Minutes (Appellant: Proprietor + Opponent)
Feb 13, 2025
F3345 Forwarding of submissions to parties
Feb 13, 2025
F3345 Forwarding of submissions to parties
Feb 10, 2025
(Electronic) Receipt
Feb 10, 2025
(Electronic) Receipt
Feb 10, 2025
Letter accompanying subsequently filed items
Feb 6, 2025
Letter accompanying subsequently filed items
Feb 6, 2025
Oral proceedings: change of venue
Feb 6, 2025
Oral proceedings: change of venue
Feb 6, 2025
Oral proceedings: change of venue
Jan 27, 2025
F3345 Forwarding of submissions to parties
Jan 27, 2025
F3345 Forwarding of submissions to parties
Jan 22, 2025
(Electronic) Receipt
Jan 22, 2025
F3345 Forwarding of submissions to parties
Jan 22, 2025
Letter accompanying subsequently filed items
Jan 22, 2025
Submission concerning representation
Jan 17, 2025
(Electronic) Receipt
Jan 17, 2025
Letter accompanying subsequently filed items
Jan 17, 2025
Letter relating to Appeal Procedure
Jan 15, 2025
F3345 Forwarding of submissions to parties
Jan 15, 2025
F3345 Forwarding of submissions to parties
Jan 13, 2025
(Electronic) Receipt
Jan 13, 2025
General enquiry
Jan 13, 2025
Letter accompanying subsequently filed items
Dec 19, 2024
F3011.1 Oral Proceedings: summons
Dec 19, 2024
F3011.1 Oral Proceedings: summons
Dec 19, 2024
F3011.1 Oral Proceedings: summons
Dec 19, 2024
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Dec 16, 2024
F3010 Oral proceedings: order for summons
Nov 25, 2024
Composition of the board (T)
Jan 30, 2024
F3345 Forwarding of submissions to parties
Jan 30, 2024
F3345 Forwarding of submissions to parties
Jan 25, 2024
(Electronic) Receipt
Jan 25, 2024
Letter accompanying subsequently filed items
Jan 25, 2024
Letter relating to Appeal Procedure
Nov 23, 2023
F3345 Forwarding of submissions to parties
Nov 23, 2023
F3345 Forwarding of submissions to parties
Nov 20, 2023
(Electronic) Receipt
Nov 20, 2023
Citation in appeal procedure - 023
Nov 20, 2023
Citation in appeal procedure - 023
Nov 20, 2023
Letter accompanying subsequently filed items
Nov 20, 2023
Letter relating to Appeal Procedure
Aug 10, 2023
F3345 Forwarding of submissions to parties
Aug 10, 2023
F3345 Forwarding of submissions to parties
Aug 7, 2023
(Electronic) Receipt
Aug 7, 2023
Letter accompanying subsequently filed items
Aug 7, 2023
Letter relating to Appeal Procedure
Jun 22, 2023
F3345 Forwarding of submissions to parties
Jun 22, 2023
F3345 Forwarding of submissions to parties
Jun 19, 2023
(Electronic) Receipt
Jun 19, 2023
Letter accompanying subsequently filed items
Jun 19, 2023
Reply to appeal
Jun 13, 2023
F3345 Forwarding of submissions to parties
Jun 13, 2023
F3345 Forwarding of submissions to parties
Jun 13, 2023
F3345 Forwarding of submissions to parties
Jun 13, 2023
F3345 Forwarding of submissions to parties
Jun 7, 2023
(Electronic) Receipt
Jun 7, 2023
(Electronic) Receipt
Jun 7, 2023
Letter accompanying subsequently filed items
Jun 7, 2023
Letter accompanying subsequently filed items
Jun 7, 2023
Reply to appeal
Jun 7, 2023
Reply to appeal
Jun 7, 2023
Reply to appeal
Feb 10, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 10, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 10, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 10, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 7, 2023
(Electronic) Receipt
Feb 7, 2023
Letter accompanying subsequently filed items
Feb 7, 2023
Statement of grounds of appeal
Jan 27, 2023
(Electronic) Receipt
Jan 27, 2023
Amended claims with annotations
Jan 27, 2023
Amended claims with annotations
Jan 27, 2023
Amended claims with annotations
Jan 27, 2023
Amended claims with annotations
Jan 27, 2023
Amended claims with annotations
Jan 27, 2023
Amended claims with annotations
Jan 27, 2023
Annexes (other than cited documents) regarding appeal procedure
Jan 27, 2023
Annexes (other than cited documents) regarding appeal procedure
Jan 27, 2023
Annexes (other than cited documents) regarding appeal procedure
Jan 27, 2023
Annexes (other than cited documents) regarding appeal procedure
Jan 27, 2023
Auxiliary request during appeals procedure - 01
Jan 27, 2023
Auxiliary request during appeals procedure - 02
Jan 27, 2023
Auxiliary request during appeals procedure - 03
Jan 27, 2023
Auxiliary request during appeals procedure - 04
Jan 27, 2023
Auxiliary request during appeals procedure - 05
Jan 27, 2023
Letter accompanying subsequently filed items
Jan 27, 2023
Main request during appeals procedure
Jan 27, 2023
Statement of grounds of appeal
Dec 1, 2022
F3204 Communication of the file number to the parties
Dec 1, 2022
F3204 Communication of the file number to the parties
Dec 1, 2022
F3204 Communication of the file number to the parties
Nov 30, 2022
F3204 Communication of the file number to the parties
Nov 30, 2022
F3204 Communication of the file number to the parties
Nov 30, 2022
F3204 Communication of the file number to the parties
Nov 28, 2022
(Electronic) Receipt
Nov 28, 2022
Letter accompanying subsequently filed items
Nov 28, 2022
Notice of appeal
Nov 24, 2022
(Electronic) Receipt
Nov 24, 2022
Letter accompanying subsequently filed items
Nov 24, 2022
Notice of appeal
Oct 6, 2022
Advice of delivery
Oct 4, 2022
(Electronic) Receipt
Oct 4, 2022
Advice of delivery
Oct 4, 2022
Letter accompanying subsequently filed items
Sep 28, 2022
Annex to the communication - opposition
Sep 28, 2022
Decision of the Opposition Division and instruction
Sep 28, 2022
Druckexemplar in opposition procedure
Sep 28, 2022
Grounds for the decision (Annex) - opposition
Sep 28, 2022
Interlocutory decision in opposition proceedings
Sep 28, 2022
Interlocutory decision in opposition proceedings
Sep 28, 2022
Interlocutory decision in opposition proceedings
Sep 28, 2022
Means of redress
Sep 28, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 28, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 28, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 28, 2022
Provision of a copy of the minutes - opposition procedure
Sep 28, 2022
Provision of a copy of the minutes - opposition procedure
Sep 28, 2022
Provision of a copy of the minutes - opposition procedure
Sep 28, 2022
Scanned annex to a communication - opposition procedure
Sep 28, 2022
Scanned annex to a communication - opposition procedure
Sep 28, 2022
Transmittal of decision / summons - opposition
Sep 28, 2022
Transmittal of decision / summons - opposition
Sep 28, 2022
Transmittal of decision / summons - opposition
Sep 8, 2022
Brief communication - Opposition proceedings
Sep 8, 2022
Brief communication - Opposition proceedings
Sep 8, 2022
Information about the result of oral proceedings
Sep 6, 2022
Brief communication - Opposition proceedings
Sep 6, 2022
Brief communication - Opposition proceedings
Sep 2, 2022
(Electronic) Receipt
Sep 2, 2022
Citation in opposition procedure - 021
Sep 2, 2022
Citation in opposition procedure - 022
Sep 2, 2022
Consolidated list of cited opposition documents
Sep 2, 2022
Letter accompanying subsequently filed items
Sep 2, 2022
Written submission in preparation to/during oral proceedings
Sep 1, 2022
(Electronic) Receipt
Sep 1, 2022
Letter accompanying subsequently filed items
Sep 1, 2022
Written submission in preparation to/during oral proceedings
Aug 26, 2022
Brief communication - Opposition proceedings
Aug 26, 2022
Brief communication - Opposition proceedings
Aug 23, 2022
(Electronic) Receipt
Aug 23, 2022
Citation in opposition procedure - 020
Aug 23, 2022
Letter accompanying subsequently filed items
Aug 23, 2022
Written submission in preparation to/during oral proceedings
Aug 5, 2022
Brief communication - Opposition proceedings
Aug 5, 2022
Brief communication - Opposition proceedings
Aug 2, 2022
(Electronic) Receipt
Aug 2, 2022
Letter accompanying subsequently filed items
Aug 2, 2022
Written submission in preparation to/during oral proceedings
Jul 13, 2022
Brief communication - Opposition proceedings
Jul 13, 2022
Brief communication - Opposition proceedings
Jul 13, 2022
Brief communication - Opposition proceedings
Jul 13, 2022
Brief communication - Opposition proceedings
Jul 11, 2022
Brief communication - Opposition proceedings
Jul 11, 2022
Brief communication - Opposition proceedings
Jul 11, 2022
Brief communication - Opposition proceedings
Jul 11, 2022
Brief communication - Opposition proceedings
Jul 8, 2022
(Electronic) Receipt
Jul 8, 2022
(Electronic) Receipt
Jul 8, 2022
Auxiliary request during Opposition procedure
Jul 8, 2022
Auxiliary request during Opposition procedure
Jul 8, 2022
Auxiliary request during Opposition procedure - 01
Jul 8, 2022
Auxiliary request during Opposition procedure - 02
Jul 8, 2022
Letter accompanying subsequently filed items
Jul 8, 2022
Main request during Opposition procedure
Jul 8, 2022
Main request during Opposition procedure
Jul 8, 2022
Request for interpreters during oral proceedings
Jul 8, 2022
Written submission in preparation to/during oral proceedings
Jul 5, 2022
(Electronic) Receipt
Jul 5, 2022
Request for interpreters during oral proceedings
Jul 5, 2022
Written submission in preparation to/during oral proceedings
Jul 4, 2022
(Electronic) Receipt
Jul 4, 2022
Citation in opposition procedure - 019
Jul 4, 2022
Request for interpreters during oral proceedings
Jul 4, 2022
Written submission in preparation to/during oral proceedings
Jul 4, 2022
Written submission in preparation to/during oral proceedings
Apr 19, 2022
(Electronic) Receipt
Apr 14, 2022
Notification concerning the date of oral proceedings
Apr 14, 2022
Notification concerning the date of oral proceedings
Apr 14, 2022
Notification concerning the date of oral proceedings
Dec 16, 2021
Advice of delivery
Dec 16, 2021
Advice of delivery
Dec 13, 2021
Advice of delivery
Dec 10, 2021
Advice of delivery
Dec 7, 2021
Annex to the communication - opposition
Dec 7, 2021
Information concerning oral proceedings
Dec 7, 2021
Summons to attend oral proceedings
Dec 7, 2021
Summons to attend oral proceedings
Dec 7, 2021
Summons to attend oral proceedings
Dec 7, 2021
Transmittal of decision / summons - opposition
Dec 7, 2021
Transmittal of decision / summons - opposition
Dec 7, 2021
Transmittal of decision / summons - opposition
Nov 22, 2021
Brief communication - Opposition proceedings
Nov 22, 2021
Brief communication - Opposition proceedings
Nov 15, 2021
(Electronic) Receipt
Nov 15, 2021
Citation in opposition procedure - 017
Nov 15, 2021
Citation in opposition procedure - 018
Nov 15, 2021
Letter accompanying subsequently filed items
Nov 15, 2021
Letter regarding the opposition procedure (no time limit)
Nov 10, 2021
Document concerning representation
Nov 10, 2021
Letter accompanying subsequently filed items
Sep 6, 2021
Brief communication - Opposition proceedings
Sep 6, 2021
Brief communication - Opposition proceedings
Aug 30, 2021
(Electronic) Receipt
Aug 30, 2021
Letter accompanying subsequently filed items
Aug 30, 2021
Letter regarding the opposition procedure (no time limit)
May 10, 2021
Brief communication - Opposition proceedings
May 10, 2021
Brief communication - Opposition proceedings
May 10, 2021
Brief communication - Opposition proceedings
May 10, 2021
Brief communication - Opposition proceedings
May 6, 2021
Communication concerning the filing of a power of attorney
May 6, 2021
Communication of amended entries concerning the representative
Apr 12, 2021
(Electronic) Receipt
Apr 12, 2021
Authorisation
Apr 12, 2021
Letter accompanying subsequently filed items
Apr 12, 2021
Letter regarding the opposition procedure (no time limit)
Apr 12, 2021
Main request during Opposition procedure
Apr 12, 2021
Main request during Opposition procedure
Apr 12, 2021
Reply of the patent proprietor to the notice(s) of opposition
Apr 12, 2021
Submission concerning change of proprietor's representative
Dec 3, 2020
Communication of a notice of opposition and request to file observations
Dec 3, 2020
Notice of further oppositions to opponent(s)
Dec 3, 2020
Notice of further oppositions to opponent(s)
Nov 25, 2020
Communication of a notice of opposition - first information to patent proprietor
Nov 25, 2020
Communication of a notice of opposition - first information to patent proprietor
Nov 19, 2020
(Electronic) Receipt
Nov 19, 2020
(Electronic) Receipt
Nov 19, 2020
(Electronic) Receipt
Nov 19, 2020
Citation in opposition procedure - 001
Nov 19, 2020
Citation in opposition procedure - 002
Nov 19, 2020
Citation in opposition procedure - 003
Nov 19, 2020
Citation in opposition procedure - 003
Nov 19, 2020
Citation in opposition procedure - 004
Nov 19, 2020
Citation in opposition procedure - 005
Nov 19, 2020
Citation in opposition procedure - 006
Nov 19, 2020
Citation in opposition procedure - 007
Nov 19, 2020
Citation in opposition procedure - 008
Nov 19, 2020
Citation in opposition procedure - 009
Nov 19, 2020
Citation in opposition procedure - 010
Nov 19, 2020
Citation in opposition procedure - 011
Nov 19, 2020
Citation in opposition procedure - 012
Nov 19, 2020
Citation in opposition procedure - 013
Nov 19, 2020
Citation in opposition procedure - 014
Nov 19, 2020
Citation in opposition procedure - 015
Nov 19, 2020
Citation in opposition procedure - 016
Nov 19, 2020
Letter accompanying subsequently filed items
Nov 19, 2020
Letter regarding the opposition procedure (no time limit)
Nov 19, 2020
Notice of opposition
Nov 19, 2020
Notice of opposition
Nov 19, 2020
Notice of opposition
Nov 19, 2020
Notice of opposition
Nov 19, 2020
Patent document cited during the opposition procedure
Nov 19, 2020
Patent document cited during the opposition procedure
Mar 2, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 23, 2020
Decision to grant a European patent
Dec 20, 2019
(Electronic) Receipt
Dec 20, 2019
Authorisation
Dec 20, 2019
French translation of claims
Dec 20, 2019
German translation of the claims
Dec 20, 2019
Letter accompanying subsequently filed items
Aug 30, 2019
Advice of delivery
Aug 27, 2019
Bibliographic data of the European patent application
Aug 27, 2019
Communication about intention to grant a European patent
Aug 27, 2019
Intention to grant (signatures)
Aug 27, 2019
Text intended for grant (clean copy)
Aug 27, 2019
Text intended for grant (version for approval)
Aug 20, 2019
Notification concerning the date of oral proceedings
Aug 8, 2019
(Electronic) Receipt
Aug 8, 2019
Amended claims with annotations
Aug 8, 2019
Claims
Aug 8, 2019
Letter accompanying subsequently filed items
Aug 8, 2019
Written submission in preparation to/during oral proceedings
Mar 29, 2019
Advice of delivery
Mar 22, 2019
Acknowledgement of a document
Mar 22, 2019
Annex to the communication
Mar 22, 2019
Summons to attend oral proceedings
Feb 19, 2019
(Electronic) Receipt
Feb 19, 2019
Amended claims with annotations
Feb 19, 2019
Authorisation
Feb 19, 2019
Claims
Feb 19, 2019
French translation of claims
Feb 19, 2019
German translation of the claims
Feb 19, 2019
Letter accompanying subsequently filed items
Feb 19, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Oct 9, 2018
Bibliographic data of the European patent application
Oct 9, 2018
Communication about intention to grant a European patent
Oct 9, 2018
Intention to grant (signatures)
Oct 9, 2018
Text intended for grant (clean copy)
Oct 9, 2018
Text intended for grant (version for approval)
Aug 2, 2018
Communication of the registration of a transfer or change of name and/or address
Jun 19, 2018
(Electronic) Receipt
Jun 19, 2018
Annexes in respect of a client data request
Jun 19, 2018
Submission concerning a transfer of rights (applicant)
Jun 6, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 11, 2017
Submission concerning representation
Dec 6, 2016
Communication concerning the filing of a power of attorney
Dec 6, 2016
Communication of amended entries concerning the representative
Nov 7, 2016
(Electronic) Receipt
Nov 7, 2016
Citation for the examination procedure
Nov 7, 2016
Letter accompanying subsequently filed items
Nov 7, 2016
Submission concerning change of applicant's representative
Aug 10, 2016
Amended claims with annotations
Aug 10, 2016
Claims
Aug 10, 2016
Reply to communication from the Examining Division
Jul 13, 2016
Grant of extension of time limit (examination procedure)
Jul 8, 2016
Request for extension of time limit to communication from the Examining Division
Mar 7, 2016
Annex to the communication
Mar 7, 2016
Communication from the Examining Division
Nov 5, 2015
Reply to communication from the Examining Division
Nov 5, 2015
Reply to communication from the Examining Division
Sep 14, 2015
Annex to the communication
Sep 14, 2015
Communication from the Examining Division
Sep 4, 2015
Examination started
Jul 8, 2015
Refund of fees
Jun 18, 2015
Amended claims filed after receipt of (European) search report
Jun 18, 2015
Amended claims with annotations
Jun 18, 2015
Amendments received before examination
Jun 18, 2015
Payment of fees and costs
Dec 22, 2014
Submission concerning representation
Nov 28, 2013
Letter concerning fees and payments
Nov 27, 2013
Amended claims filed after receipt of (European) search report
Nov 27, 2013
Amended claims with annotations
Nov 27, 2013
Amendments received before examination
Jun 4, 2013
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
May 3, 2013
Notification of forthcoming publication
May 2, 2013
Communication regarding the transmission of the European search report
May 2, 2013
European search opinion
May 2, 2013
European search report
Mar 27, 2013
Claims
Mar 27, 2013
Matter concerning the application
Mar 4, 2013
Communication to designated inventor
Mar 4, 2013
Communication to designated inventor
Mar 4, 2013
Communication to designated inventor
Mar 4, 2013
Communication to designated inventor
Feb 9, 2013
Designation of inventor
Feb 9, 2013
Letter concerning the inventor
Jan 28, 2013
Deficiency in designation of inventor
Jan 28, 2013
Invitation to file claims
Jan 9, 2013
Payment of fees and costs
Jan 9, 2013
Payment of fees and costs
Dec 10, 2012
Abstract
Dec 10, 2012
Annex
Dec 10, 2012
Description
Dec 10, 2012
Drawings
Dec 10, 2012
Request for grant of a European patent
Dec 10, 2012
Submission concerning representation
Dec 13, 2007
Priority document (electronically transmitted)

EP2596815

KALYPTO MEDICAL

Application Number: EP12008236A
Filing Date: May 10, 2007
Status: Patent Maintained As Amended; Jul 11, 2025
Publication Date: Aug 13, 2025
External Links: Slate, Register , Google Patents

IP Verse

Device And Method For Wound Therapy

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2596815