Two-Pack Hairdye Composition

Patent No. EP2204157 (titled "Two-Pack Hairdye Composition") was filed by KAO on Oct 24, 2007. The application was issued on May 6, 2020.

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	Feb 5, 2021	-

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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Aug 24, 2022
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Aug 24, 2022
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Aug 19, 2022
Termination of the opposition proceedings with maintenance of patent
May 17, 2022
Advice of delivery
May 11, 2022
Advice of delivery
May 10, 2022
Annex to the communication - opposition
May 10, 2022
Decision of the Opposition Division and instruction
May 10, 2022
Decision rejecting the opposition
May 10, 2022
Decision rejecting the opposition
May 10, 2022
Grounds for the decision (Annex) - opposition
May 10, 2022
Means of redress
May 10, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 10, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 10, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 10, 2022
Provision of a copy of the minutes - opposition procedure
May 10, 2022
Provision of a copy of the minutes - opposition procedure
May 10, 2022
Transmittal of decision / summons - opposition
May 10, 2022
Transmittal of decision / summons - opposition
Mar 31, 2022
Information about the result of oral proceedings
Feb 3, 2022
Brief communication - Opposition proceedings
Feb 3, 2022
Brief communication - Opposition proceedings
Jan 31, 2022
(Electronic) Receipt
Jan 31, 2022
(Electronic) Receipt
Jan 31, 2022
Letter accompanying subsequently filed items
Jan 31, 2022
Letter accompanying subsequently filed items
Jan 31, 2022
Request for interpreters during oral proceedings
Jan 31, 2022
Request for interpreters during oral proceedings
Dec 8, 2021
Notification concerning the date of oral proceedings
Dec 8, 2021
Notification concerning the date of oral proceedings
Nov 10, 2021
Advice of delivery
Nov 10, 2021
Advice of delivery
Nov 9, 2021
Information concerning oral proceedings
Nov 9, 2021
Notification concerning the date of oral proceedings
Nov 9, 2021
Notification concerning the date of oral proceedings
Nov 9, 2021
Summons to attend oral proceedings
Nov 9, 2021
Summons to attend oral proceedings
Nov 9, 2021
Transmittal of decision / summons - opposition
Nov 9, 2021
Transmittal of decision / summons - opposition
Nov 8, 2021
Brief communication - Opposition proceedings
Nov 2, 2021
(Electronic) Receipt
Nov 2, 2021
Advice of delivery
Nov 2, 2021
Advice of delivery
Nov 2, 2021
Any annexes (other than citation) to an opposition letter
Nov 2, 2021
Letter accompanying subsequently filed items
Nov 2, 2021
Oral proceedings: Request for postponement
Oct 29, 2021
Annex to the communication - opposition
Oct 29, 2021
Information concerning oral proceedings
Oct 29, 2021
Summons to attend oral proceedings
Oct 29, 2021
Summons to attend oral proceedings
Oct 29, 2021
Transmittal of decision / summons - opposition
Oct 29, 2021
Transmittal of decision / summons - opposition
Jul 2, 2021
Brief communication - Opposition proceedings
Jun 29, 2021
(Electronic) Receipt
Jun 29, 2021
Citation in opposition procedure - 012
Jun 29, 2021
Consolidated list of cited opposition documents
Jun 29, 2021
Letter accompanying subsequently filed items
Jun 29, 2021
Reply of the patent proprietor to the notice(s) of opposition
Mar 4, 2021
Brief communication - Opposition proceedings
Feb 26, 2021
(Electronic) Receipt
Feb 26, 2021
Letter accompanying subsequently filed items
Feb 26, 2021
Letter regarding the opposition procedure (no time limit)
Feb 23, 2021
Communication of a notice of opposition and request to file observations
Feb 23, 2021
Notice of further oppositions to opponent(s)
Feb 11, 2021
Communication of a notice of opposition - first information to patent proprietor
Feb 5, 2021
(Electronic) Receipt
Feb 5, 2021
Citation in opposition procedure - 001
Feb 5, 2021
Citation in opposition procedure - 002
Feb 5, 2021
Citation in opposition procedure - 003
Feb 5, 2021
Citation in opposition procedure - 004
Feb 5, 2021
Citation in opposition procedure - 005
Feb 5, 2021
Citation in opposition procedure - 006
Feb 5, 2021
Citation in opposition procedure - 007
Feb 5, 2021
Citation in opposition procedure - 008
Feb 5, 2021
Citation in opposition procedure - 009
Feb 5, 2021
Citation in opposition procedure - 010
Feb 5, 2021
Citation in opposition procedure - 011
Feb 5, 2021
International publication (Pamphlet)
Feb 5, 2021
Notice of opposition
Feb 5, 2021
Notice of opposition
May 18, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Apr 9, 2020
Decision to grant a European patent
Apr 3, 2020
Request for a change to the title of the invention
Mar 25, 2020
(Electronic) Receipt
Mar 25, 2020
Filing of the translations of the claims
Mar 25, 2020
French translation of claims
Mar 25, 2020
German translation of the claims
Mar 25, 2020
Letter accompanying subsequently filed items
Mar 25, 2020
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Nov 27, 2019
Bibliographic data of the European patent application
Nov 27, 2019
Communication about intention to grant a European patent
Nov 27, 2019
Intention to grant (signatures)
Nov 27, 2019
Text intended for grant (clean copy)
Nov 27, 2019
Text intended for grant (version for approval)
Jan 3, 2019
(Electronic) Receipt
Jan 3, 2019
Amended claims with annotations
Jan 3, 2019
Amended claims with annotations
Jan 3, 2019
Claims
Jan 3, 2019
Claims
Jan 3, 2019
Description
Jan 3, 2019
Letter accompanying subsequently filed items
Jan 3, 2019
Reply to communication from the Examining Division
Nov 21, 2018
Annex to the communication
Nov 21, 2018
Consultation by telephone/in person
Nov 21, 2018
Grant of extension of time limit (examination procedure)
Nov 21, 2018
Result of consultation by telephone/in person
Nov 15, 2018
(Electronic) Receipt
Nov 15, 2018
Letter accompanying subsequently filed items
Nov 15, 2018
Request for extension of time limit to communication from the Examining Division
Jul 5, 2018
Annex to the communication
Jul 5, 2018
Communication from the Examining Division
Jun 19, 2017
(Electronic) Receipt
Jun 19, 2017
Amended claims with annotations
Jun 19, 2017
Claims
Jun 19, 2017
Letter accompanying subsequently filed items
Jun 19, 2017
Reply to communication from the Examining Division
Feb 10, 2017
Annex to the communication
Feb 10, 2017
Consultation by telephone/in person (with time limit)
Feb 10, 2017
Result of consultation by telephone/in person
Oct 24, 2016
Amended claims with annotations
Oct 24, 2016
Claims
Oct 24, 2016
Reply to communication from the Examining Division
Aug 24, 2016
Grant of extension of time limit (examination procedure)
Aug 18, 2016
(Electronic) Receipt
Aug 18, 2016
Letter accompanying subsequently filed items
Aug 18, 2016
Request for extension of time limit to communication from the Examining Division
Apr 25, 2016
Annex to the communication
Apr 25, 2016
Communication from the Examining Division
Oct 7, 2014
Claims
Oct 7, 2014
Reply to communication from the Examining Division
Sep 26, 2014
Submission concerning representation
Jul 8, 2014
Annex to the communication
Jul 8, 2014
Communication from the Examining Division
Jun 3, 2013
Amended claims filed after receipt of (European) search report
Jun 3, 2013
Amended description filed after receipt of (European) search report
Jun 3, 2013
Amendments received before examination
Dec 4, 2012
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Nov 15, 2012
Communication regarding the transmission of the European search report
Nov 15, 2012
European search opinion
Nov 15, 2012
Supplementary European search report
Jun 17, 2010
Translation of the international preliminary report on patentability
Jun 10, 2010
CDS Clean up - amended data concerning the representative of the applicant (Association)
Jun 9, 2010
Notification of forthcoming publication
Jun 1, 2010
Communication regarding possible amendment of the application/payment of claims fee
May 21, 2010
Refund of fees
May 12, 2010
Copy of the international preliminary report on patentability
May 3, 2010
The request for correction will be decided by the Examining Division
Apr 22, 2010
(Electronic) Receipt
Apr 22, 2010
Abstract
Apr 22, 2010
Amended description filed after receipt of (European) search report
Apr 22, 2010
Claims
Apr 22, 2010
Description
Apr 22, 2010
Drawings
Apr 22, 2010
Request for entry into the European phase
Mar 5, 2010
Information on entry into European phase
Apr 30, 2009
Copy of the international search report
Apr 30, 2009
Copy of the translated international search report
Apr 30, 2009
International publication pamphlet

EP2204157

KAO

Application Number: EP07827940A
Filing Date: Oct 24, 2007
Status: Opposition Rejected; Aug 26, 2022
Publication Date: May 6, 2020
External Links: Slate, Register , Google Patents

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Two-Pack Hairdye Composition

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Dossier Documents

EP2204157