Two-Part Hair Colouring Composition

Patent No. EP2658508 (titled "Two-Part Hair Colouring Composition") was filed by KAO Germany on Dec 23, 2011. The application was issued on Jun 19, 2024.

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
HENKEL	Mar 15, 2022	-

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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May 24, 2024
Decision to maintain the European patent in amended form
May 24, 2024
Decision to maintain the European patent in amended form
May 15, 2024
Annex to the communication - opposition
May 15, 2024
Brief communication - Opposition proceedings
May 14, 2024
(Electronic) Receipt
May 14, 2024
Amended claims with annotations
May 14, 2024
Brief communication - Opposition proceedings
May 14, 2024
Brief communication - Opposition proceedings
May 14, 2024
Clean copy of claims in the opposition procedure
May 14, 2024
Filing of the translation of the amended claims
May 14, 2024
Letter accompanying subsequently filed items
May 14, 2024
Refund of fees
May 8, 2024
(Electronic) Receipt
May 8, 2024
Amended claims with annotations
May 8, 2024
Amended description with annotations
May 8, 2024
Annex to the communication - opposition
May 8, 2024
Brief communication - Opposition proceedings
May 8, 2024
Brief communication - Opposition proceedings
May 8, 2024
Filing of the translation of the amended claims
May 8, 2024
Letter accompanying subsequently filed items
May 7, 2024
Brief communication - Opposition proceedings
May 6, 2024
(Electronic) Receipt
May 6, 2024
Amended claims with annotations
May 6, 2024
Amended description with annotations
May 6, 2024
Claims
May 6, 2024
Clean copy of description pages in the opposition procedure
May 6, 2024
Filing of the translation of the amended claims
May 6, 2024
Letter accompanying subsequently filed items
Mar 12, 2024
Communication concerning surcharge and failure to observe time limit
Feb 1, 2024
(Electronic) Receipt
Feb 1, 2024
French translation of claims
Feb 1, 2024
German translation of the claims
Feb 1, 2024
Letter accompanying subsequently filed items
Oct 25, 2023
Communication of bibliographic data
Oct 25, 2023
Communication to opponent concerning maintenance
Oct 25, 2023
Communication with request to file translations
Oct 18, 2023
Maintenance of the patent with the documents specified in the final decision
Oct 18, 2023
Maintenance of the patent with the documents specified in the final decision
Jul 10, 2023
Advice of delivery
Jul 7, 2023
Annex to the communication - opposition
Jul 7, 2023
Decision of the Opposition Division and instruction
Jul 7, 2023
Grounds for the decision (Annex) - opposition
Jul 7, 2023
Interlocutory decision in opposition proceedings
Jul 7, 2023
Interlocutory decision in opposition proceedings
Jul 7, 2023
Means of redress
Jul 7, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Jul 7, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Jul 7, 2023
OPPODREX with handwritten amendments
Jul 7, 2023
Provision of a copy of the minutes - opposition procedure
Jul 7, 2023
Provision of a copy of the minutes - opposition procedure
Jul 7, 2023
Scanned annex to a communication - opposition procedure
Jul 7, 2023
Scanned annex to a communication - opposition procedure
Jul 7, 2023
Scanned annex to a communication - opposition procedure
Jul 7, 2023
Transmittal of decision / summons - opposition
Jul 7, 2023
Transmittal of decision / summons - opposition
May 25, 2023
Information about the result of oral proceedings
Mar 29, 2023
Brief communication - Opposition proceedings
Mar 29, 2023
Brief communication - Opposition proceedings
Mar 24, 2023
(Electronic) Receipt
Mar 24, 2023
(Electronic) Receipt
Mar 24, 2023
Auxiliary request during Opposition procedure - 03
Mar 24, 2023
Auxiliary request during Opposition procedure - 04
Mar 24, 2023
Citation in opposition procedure - 015
Mar 24, 2023
Consolidated list of cited opposition documents
Mar 24, 2023
Letter accompanying subsequently filed items
Mar 24, 2023
Letter accompanying subsequently filed items
Mar 24, 2023
Written submission in preparation to/during oral proceedings
Mar 24, 2023
Written submission in preparation to/during oral proceedings
Feb 3, 2023
Brief communication - Opposition proceedings
Jan 30, 2023
(Electronic) Receipt
Jan 30, 2023
Letter accompanying subsequently filed items
Jan 30, 2023
Request for interpreters during oral proceedings
Dec 2, 2022
Notification concerning the date of oral proceedings
Dec 2, 2022
Notification concerning the date of oral proceedings
Oct 25, 2022
Advice of delivery
Oct 21, 2022
Advice of delivery
Oct 20, 2022
Annex to the communication - opposition
Oct 20, 2022
Information concerning oral proceedings
Oct 20, 2022
Scanned annex to a communication - opposition procedure
Oct 20, 2022
Summons to attend oral proceedings
Oct 20, 2022
Summons to attend oral proceedings
Oct 20, 2022
Transmittal of decision / summons - opposition
Oct 20, 2022
Transmittal of decision / summons - opposition
Aug 17, 2022
Brief communication - Opposition proceedings
Aug 10, 2022
(Electronic) Receipt
Aug 10, 2022
Auxiliary request during Opposition procedure - 01
Aug 10, 2022
Auxiliary request during Opposition procedure - 02
Aug 10, 2022
Letter accompanying subsequently filed items
Aug 10, 2022
Reply of the patent proprietor to the notice(s) of opposition
May 4, 2022
Brief communication - Opposition proceedings
Apr 29, 2022
(Electronic) Receipt
Apr 29, 2022
Citation in opposition procedure - 014
Apr 29, 2022
Letter accompanying subsequently filed items
Apr 29, 2022
Letter regarding the opposition procedure (no time limit)
Mar 31, 2022
Communication of a notice of opposition and request to file observations
Mar 31, 2022
Notice of further oppositions to opponent(s)
Mar 21, 2022
Communication of a notice of opposition - first information to patent proprietor
Mar 15, 2022
(Electronic) Receipt
Mar 15, 2022
Citation in opposition procedure - 001
Mar 15, 2022
Citation in opposition procedure - 002
Mar 15, 2022
Citation in opposition procedure - 003
Mar 15, 2022
Citation in opposition procedure - 004
Mar 15, 2022
Citation in opposition procedure - 005
Mar 15, 2022
Citation in opposition procedure - 006
Mar 15, 2022
Citation in opposition procedure - 007
Mar 15, 2022
Citation in opposition procedure - 008
Mar 15, 2022
Citation in opposition procedure - 009
Mar 15, 2022
Citation in opposition procedure - 010
Mar 15, 2022
Citation in opposition procedure - 011
Mar 15, 2022
Citation in opposition procedure - 012
Mar 15, 2022
Citation in opposition procedure - 013
Mar 15, 2022
Notice of opposition
Mar 15, 2022
Notice of opposition
Jun 29, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
May 20, 2021
Decision to grant a European patent
May 6, 2021
(Electronic) Receipt
May 6, 2021
French translation of claims
May 6, 2021
German translation of the claims
May 6, 2021
Letter accompanying subsequently filed items
Mar 11, 2021
Bibliographic data of the European patent application
Mar 11, 2021
Communication about intention to grant a European patent
Mar 11, 2021
Intention to grant (signatures)
Mar 11, 2021
Text intended for grant (clean copy)
Mar 11, 2021
Text intended for grant (version for approval)
Jul 21, 2020
Claims
Jul 21, 2020
Reply to communication from the Examining Division
Jul 20, 2020
Claims
Jul 20, 2020
Reply to communication from the Examining Division
Mar 30, 2020
Annex to the communication
Mar 30, 2020
Communication from the Examining Division
Nov 25, 2019
Claims
Nov 25, 2019
Non-patent literature cited during the examination procedure
Nov 25, 2019
Reply to communication from the Examining Division
Nov 20, 2019
Claims
Nov 20, 2019
Non-patent literature cited during the examination procedure
Nov 20, 2019
Reply to communication from the Examining Division
Jul 17, 2019
Annex to the communication
Jul 17, 2019
Communication from the Examining Division
Feb 18, 2019
Non-patent literature cited during the examination procedure
Feb 18, 2019
Reply to communication from the Examining Division
Feb 13, 2019
Non-patent literature cited during the examination procedure
Feb 13, 2019
Non-patent literature cited during the examination procedure
Feb 13, 2019
Reply to communication from the Examining Division
Oct 10, 2018
Annex to the communication
Oct 10, 2018
Communication from the Examining Division
Mar 16, 2018
Non-patent literature cited during the examination procedure
Mar 16, 2018
Reply to communication from the Examining Division
Mar 15, 2018
Annex
Mar 15, 2018
Reply to communication from the Examining Division
Mar 7, 2018
Grant of extension of time limit (examination procedure)
Feb 28, 2018
Request for extension of time limit to communication from the Examining Division
Feb 26, 2018
Request for extension of time limit to communication from the Examining Division
Feb 21, 2018
Request for extension of time limit to communication from the Examining Division
Feb 19, 2018
Request for extension of time limit to communication from the Examining Division
Dec 20, 2017
Grant of extension of time limit (examination procedure)
Dec 19, 2017
Request for extension of time limit to communication from the Examining Division
Dec 14, 2017
Request for extension of time limit to communication from the Examining Division
Aug 8, 2017
Annex to the communication
Aug 8, 2017
Communication from the Examining Division
Aug 12, 2016
Reply to communication from the Examining Division
Aug 9, 2016
Reply to communication from the Examining Division
Jun 24, 2016
Grant of extension of time limit (examination procedure)
Jun 21, 2016
Request for extension of time limit to communication from the Examining Division
Jun 17, 2016
Request for extension of time limit to communication from the Examining Division
Feb 8, 2016
Annex to the communication
Feb 8, 2016
Communication from the Examining Division
Dec 30, 2014
Payment of fees and costs
Dec 30, 2014
Payment of fees and costs
Mar 18, 2014
Reply to Written Opinion prepared by the EPO
Mar 14, 2014
Reply to Written Opinion prepared by the EPO
Dec 13, 2013
(Electronic) Receipt
Dec 13, 2013
Letter concerning fees and payments
Oct 9, 2013
Notification on forthcoming publication of bibliographic data
Sep 5, 2013
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Sep 2, 2013
Communication of the registration of a transfer or change of name and/or address
Aug 29, 2013
Letter which had not been notified
Aug 29, 2013
Priority search results copy provided by EPO
Aug 2, 2013
Communication to designated inventor
Aug 2, 2013
Communication to designated inventor
Aug 2, 2013
Communication to designated inventor
Aug 2, 2013
Communication to designated inventor
Jul 17, 2013
Copy of the international preliminary report on patentability
Jul 3, 2013
(Electronic) Receipt
Jul 3, 2013
Annexes in respect of a client data request
Jul 3, 2013
Request for entry into the European phase
May 13, 2013
Information on entry into European phase
Jan 24, 2013
Copy of the international search report
Jan 24, 2013
International publication of the international search report
Dec 12, 2012
Written opinion of the ISA, boxes No. I to VIII
Dec 12, 2012
Written opinion of the ISA, cover sheet
Dec 12, 2012
Written opinion of the ISA, supplemental box
Jul 25, 2012
Priority document (electronically transmitted)
Jul 5, 2012
Published international application - A2
Dec 23, 2011
(Electronic) Receipt
Dec 23, 2011
Abstract
Dec 23, 2011
Claims
Dec 23, 2011
Description
Dec 23, 2011
Priority document (RO-procedure)

EP2658508

KAO GERMANY

Application Number: EP11801755A
Filing Date: Dec 23, 2011
Status: Patent Maintained As Amended; May 17, 2024
Publication Date: Jun 19, 2024
External Links: Slate, Register , Google Patents

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Two-Part Hair Colouring Composition

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Dossier Documents

EP2658508