Negative Pressure Wound Therapy Device

Patent No. EP2293840 (titled "Negative Pressure Wound Therapy Device") was filed by Kalypto Medical on May 27, 2009. The application was issued on Sep 4, 2019.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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	Jun 3, 2020	SIMMONS & SIMMONS

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

Dec 6, 2024
Decision of the Board of Appeal
Dec 6, 2024
F3032 Notification(s) of the decision
Dec 6, 2024
F3032 Notification(s) of the decision
Oct 4, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 4, 2024
F3013 Oral Proceedings: Forwarding minutes
Oct 4, 2024
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Sep 10, 2024
F3345 Forwarding of submissions to parties
Sep 5, 2024
(Electronic) Receipt
Sep 5, 2024
Letter accompanying subsequently filed items
Sep 5, 2024
Letter dealing with oral proceedings during the appeal procedure
Sep 4, 2024
F3345 Forwarding of submissions to parties
Aug 29, 2024
(Electronic) Receipt
Aug 29, 2024
Letter accompanying subsequently filed items
May 29, 2024
F3345 Forwarding of submissions to parties
May 24, 2024
(Electronic) Receipt
May 24, 2024
Letter accompanying subsequently filed items
May 24, 2024
Letter dealing with oral proceedings during the appeal procedure
May 15, 2024
F3345 Forwarding of submissions to parties
May 9, 2024
(Electronic) Receipt
May 9, 2024
Letter accompanying subsequently filed items
May 9, 2024
Letter dealing with oral proceedings during the appeal procedure
Mar 26, 2024
F3345 Forwarding of submissions to parties
Mar 19, 2024
(Electronic) Receipt
Mar 19, 2024
Annexes (other than cited documents) regarding appeal procedure
Mar 19, 2024
Annexes (other than cited documents) regarding appeal procedure
Mar 19, 2024
Letter accompanying subsequently filed items
Mar 19, 2024
Letter dealing with oral proceedings during the appeal procedure
Mar 13, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 13, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Nov 9, 2023
F3011.1 Oral Proceedings: summons
Nov 9, 2023
F3011.1 Oral Proceedings: summons
Nov 6, 2023
F3010 Oral proceedings: order for summons
Jul 24, 2023
Composition of the board (T)
Dec 5, 2022
F3345 Forwarding of submissions to parties
Nov 30, 2022
(Electronic) Receipt
Nov 30, 2022
Letter accompanying subsequently filed items
Nov 30, 2022
Letter relating to Appeal Procedure
Aug 23, 2022
F3345 Forwarding of submissions to parties
Aug 18, 2022
(Electronic) Receipt
Aug 18, 2022
Letter accompanying subsequently filed items
Aug 18, 2022
Reply to appeal
Apr 19, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Apr 12, 2022
(Electronic) Receipt
Apr 12, 2022
Amended claims with annotations
Apr 12, 2022
Amended claims with annotations
Apr 12, 2022
Amended claims with annotations
Apr 12, 2022
Amended claims with annotations
Apr 12, 2022
Annexes (other than cited documents) regarding appeal procedure
Apr 12, 2022
Annexes (other than cited documents) regarding appeal procedure
Apr 12, 2022
Citation in appeal procedure - 010
Apr 12, 2022
Citation in appeal procedure - 011
Apr 12, 2022
Citation in appeal procedure - 012
Apr 12, 2022
Citation in appeal procedure - 013
Apr 12, 2022
Citation in appeal procedure - 014
Apr 12, 2022
Citation in appeal procedure - 014
Apr 12, 2022
Claims
Apr 12, 2022
Claims
Apr 12, 2022
Claims
Apr 12, 2022
Claims
Apr 12, 2022
Letter accompanying subsequently filed items
Apr 12, 2022
Statement of grounds of appeal
Feb 10, 2022
F3204 Communication of the file number to the parties
Feb 10, 2022
F3204 Communication of the file number to the parties
Feb 3, 2022
(Electronic) Receipt
Feb 3, 2022
Letter accompanying subsequently filed items
Feb 3, 2022
Notice of appeal
Dec 16, 2021
Advice of delivery
Dec 14, 2021
Advice of delivery
Dec 13, 2021
Advice of delivery
Dec 13, 2021
Advice of delivery
Dec 13, 2021
Annex to the communication - opposition
Dec 13, 2021
Decision of the Opposition Division and instruction
Dec 13, 2021
Druckexemplar in opposition procedure
Dec 13, 2021
Grounds for the decision (Annex) - opposition
Dec 13, 2021
Interlocutory decision in opposition proceedings
Dec 13, 2021
Interlocutory decision in opposition proceedings
Dec 13, 2021
Means of redress
Dec 13, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 13, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 13, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 13, 2021
Provision of a copy of the minutes - opposition procedure
Dec 13, 2021
Provision of a copy of the minutes - opposition procedure
Dec 13, 2021
Scanned annex to a communication - opposition procedure
Dec 13, 2021
Transmittal of decision / summons - opposition
Dec 13, 2021
Transmittal of decision / summons - opposition
Nov 11, 2021
Information about the result of oral proceedings
Nov 10, 2021
Document concerning representation
Nov 10, 2021
Letter accompanying subsequently filed items
Sep 15, 2021
Brief communication - Opposition proceedings
Sep 15, 2021
Brief communication - Opposition proceedings
Sep 10, 2021
(Electronic) Receipt
Sep 10, 2021
Letter accompanying subsequently filed items
Sep 10, 2021
Written submission in preparation to/during oral proceedings
Sep 9, 2021
(Electronic) Receipt
Sep 9, 2021
(Electronic) Receipt
Sep 9, 2021
Citation in opposition procedure - 007
Sep 9, 2021
Citation in opposition procedure - 008
Sep 9, 2021
Citation in opposition procedure - 009
Sep 9, 2021
Consolidated list of cited opposition documents
Sep 9, 2021
Letter accompanying subsequently filed items
Sep 9, 2021
Letter accompanying subsequently filed items
Sep 9, 2021
Request for interpreters during oral proceedings
Sep 9, 2021
Written submission in preparation to/during oral proceedings
Jun 14, 2021
Notification concerning the date of oral proceedings
Jun 14, 2021
Notification concerning the date of oral proceedings
Feb 25, 2021
Advice of delivery
Feb 25, 2021
Advice of delivery
Feb 24, 2021
Annex to the communication - opposition
Feb 24, 2021
Information concerning oral proceedings
Feb 24, 2021
Summons to attend oral proceedings
Feb 24, 2021
Summons to attend oral proceedings
Feb 24, 2021
Transmittal of decision / summons - opposition
Feb 24, 2021
Transmittal of decision / summons - opposition
Nov 10, 2020
Brief communication - Opposition proceedings
Nov 9, 2020
Brief communication - Opposition proceedings
Nov 9, 2020
Communication concerning the filing of a power of attorney
Nov 9, 2020
Communication of amended entries concerning the representative
Nov 4, 2020
Result of consultation by telephone/in person
Nov 3, 2020
(Electronic) Receipt
Nov 3, 2020
Authorisation
Nov 3, 2020
Auxiliary request during Opposition procedure
Nov 3, 2020
Auxiliary request during Opposition procedure
Nov 3, 2020
Auxiliary request during Opposition procedure - 01
Nov 3, 2020
Auxiliary request during Opposition procedure - 02
Nov 3, 2020
Letter accompanying subsequently filed items
Nov 3, 2020
Main request during Opposition procedure
Nov 3, 2020
Main request during Opposition procedure
Nov 3, 2020
Reply of the patent proprietor to the notice(s) of opposition
Jun 23, 2020
Communication of a notice of opposition and request to file observations
Jun 23, 2020
Notice of further oppositions to opponent(s)
Jun 17, 2020
Communication of a notice of opposition - first information to patent proprietor
Jun 3, 2020
(Electronic) Receipt
Jun 3, 2020
Citation in opposition procedure - 001
Jun 3, 2020
Citation in opposition procedure - 002
Jun 3, 2020
Citation in opposition procedure - 003
Jun 3, 2020
Citation in opposition procedure - 004
Jun 3, 2020
Citation in opposition procedure - 005
Jun 3, 2020
Citation in opposition procedure - 006
Jun 3, 2020
International publication (Pamphlet)
Jun 3, 2020
Notice of opposition
Jun 3, 2020
Notice of opposition
Sep 16, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 8, 2019
Decision to grant a European patent
Jul 29, 2019
(Electronic) Receipt
Jul 29, 2019
Authorisation
Jul 29, 2019
Filing of the translations of the claims
Jul 29, 2019
French translation of claims
Jul 29, 2019
German translation of the claims
Mar 18, 2019
Bibliographic data of the European patent application
Mar 18, 2019
Communication about intention to grant a European patent
Mar 18, 2019
Intention to grant (signatures)
Mar 18, 2019
Text intended for grant (clean copy)
Mar 18, 2019
Text intended for grant (version for approval)
Jan 23, 2019
(Electronic) Receipt
Jan 23, 2019
Amended claims with annotations
Jan 23, 2019
Claims
Jan 23, 2019
Letter accompanying subsequently filed items
Jan 23, 2019
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Sep 21, 2018
Bibliographic data of the European patent application
Sep 21, 2018
Communication about intention to grant a European patent
Sep 21, 2018
Intention to grant (signatures)
Sep 21, 2018
Text intended for grant (clean copy)
Sep 21, 2018
Text intended for grant (version for approval)
Jun 15, 2018
Communication of the registration of a transfer or change of name and/or address
May 22, 2018
(Electronic) Receipt
May 22, 2018
Letter accompanying subsequently filed items
Mar 15, 2018
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Feb 19, 2018
(Electronic) Receipt
Feb 19, 2018
Annexes in respect of a client data request
Feb 19, 2018
Letter accompanying subsequently filed items
Feb 19, 2018
Reply to communication from the Examining Division
Jan 2, 2018
Grant of extension of time limit (examination procedure)
Dec 20, 2017
(Electronic) Receipt
Dec 20, 2017
Request for extension of time limit to communication from the Examining Division
Aug 17, 2017
Annex to the communication
Aug 17, 2017
Communication from the Examining Division
Aug 8, 2017
Examination started
Jun 6, 2017
CDS Clean up - amended data concerning the representative of the applicant (Association)
May 11, 2017
Submission concerning representation
Dec 12, 2016
(Electronic) Receipt
Dec 12, 2016
Amended claims filed after receipt of (European) search report
Dec 12, 2016
Amended claims with annotations
Dec 12, 2016
Amendments received before examination
Dec 12, 2016
Letter accompanying subsequently filed items
Oct 27, 2016
Communication of amended entries concerning the representative
Oct 18, 2016
Authorisation
Oct 18, 2016
Letter accompanying subsequently filed items
Oct 18, 2016
Submission concerning change of applicant's representative
Jun 3, 2016
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 18, 2016
Communication regarding the transmission of the European search report
May 18, 2016
European search opinion
May 18, 2016
Information on Search Strategy
May 18, 2016
Supplementary European search report
May 3, 2016
Search started
Jan 21, 2015
CDS Clean up - amended data concerning the representative for the applicant
Dec 22, 2014
Submission concerning representation
Feb 16, 2011
Notification on forthcoming publication of bibliographic data
Jan 14, 2011
Communication regarding possible amendment of the application/payment of claims fee
Dec 23, 2010
Amended claims filed after receipt of (European) search report
Dec 23, 2010
Amended claims with annotations
Dec 23, 2010
Amended description filed after receipt of (European) search report
Dec 23, 2010
Amended description with annotations
Dec 23, 2010
Amendments received before examination
Dec 23, 2010
Fax request to enter the European phase
Dec 23, 2010
Letter accompanying subsequently filed items
Dec 23, 2010
Payment of fees and costs
Dec 17, 2010
Copy of the international preliminary report on patentability
Oct 8, 2010
Information on entry into European phase
Dec 23, 2009
Priority document (electronically transmitted)
Dec 3, 2009
Copy of the international search report
Dec 3, 2009
Published international application - A1

EP2293840

KALYPTO MEDICAL

Application Number: EP09755257A
Filing Date: May 27, 2009
Status: Opposition Rejected; Dec 7, 2024
Publication Date: Sep 4, 2019
External Links: Slate, Register , Google Patents

IP Verse

Negative Pressure Wound Therapy Device

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2293840