Method For Colouring Hair

Patent No. EP2574331 (titled "Method For Colouring Hair") was filed by Noxell on Sep 11, 2012. The application was issued on Oct 27, 2021.

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
L'OREAL	Jul 26, 2022	LOREAL

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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Jan 13, 2026
F3013 Oral Proceedings: Forwarding minutes
Jan 13, 2026
F3013 Oral Proceedings: Forwarding minutes
Jan 13, 2026
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Jan 6, 2026
(Electronic) Receipt
Jan 6, 2026
Letter accompanying subsequently filed items
Dec 22, 2025
(Electronic) Receipt
Dec 22, 2025
F3345 Forwarding of submissions to parties
Dec 22, 2025
Letter accompanying subsequently filed items
Dec 22, 2025
Letter relating to Appeal Procedure
Dec 16, 2025
F3018 Oral proceedings: Confirmation interpreters
Dec 16, 2025
F3018 Oral proceedings: Confirmation interpreters
Oct 28, 2025
F3345 Forwarding of submissions to parties
Oct 23, 2025
(Electronic) Receipt
Oct 23, 2025
Letter accompanying subsequently filed items
Oct 23, 2025
Request for interpreters during oral proceedings
Sep 15, 2025
F3345 Forwarding of submissions to parties
Sep 10, 2025
(Electronic) Receipt
Sep 10, 2025
Letter accompanying subsequently filed items
Sep 10, 2025
Letter relating to Appeal Procedure
Aug 6, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 6, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 3, 2025
F3011.2 Oral Proceedings: Summons VICO
Apr 3, 2025
F3011.2 Oral Proceedings: Summons VICO
Mar 31, 2025
F3010 Oral proceedings: order for summons
Mar 3, 2025
Composition of the board (T)
Mar 3, 2025
F3056 Communication: Change of Board due to the technical nature of the appeal
Mar 3, 2025
F3056 Communication: Change of Board due to the technical nature of the appeal
Feb 26, 2025
F3313 Order: change of Board due to the technical aspects of the appeal
Jan 30, 2025
F3345 Forwarding of submissions to parties
Jan 24, 2025
(Electronic) Receipt
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Amended claims with annotations
Jan 24, 2025
Auxiliary request during appeals procedure - 01
Jan 24, 2025
Auxiliary request during appeals procedure - 02
Jan 24, 2025
Auxiliary request during appeals procedure - 03
Jan 24, 2025
Auxiliary request during appeals procedure - 04
Jan 24, 2025
Auxiliary request during appeals procedure - 05
Jan 24, 2025
Auxiliary request during appeals procedure - 06
Jan 24, 2025
Auxiliary request during appeals procedure - 07
Jan 24, 2025
Claims
Jan 24, 2025
Claims
Jan 24, 2025
Claims
Jan 24, 2025
Claims
Jan 24, 2025
Claims
Jan 24, 2025
Letter accompanying subsequently filed items
Jan 24, 2025
Reply to appeal
Sep 26, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Sep 20, 2024
(Electronic) Receipt
Sep 20, 2024
Letter accompanying subsequently filed items
Sep 20, 2024
Statement of grounds of appeal
Jul 18, 2024
F3204 Communication of the file number to the parties
Jul 18, 2024
F3204 Communication of the file number to the parties
Jul 12, 2024
(Electronic) Receipt
Jul 12, 2024
Letter accompanying subsequently filed items
Jul 12, 2024
Notice of appeal
May 21, 2024
Annex to the communication - opposition
May 21, 2024
Brief communication - Opposition proceedings
May 21, 2024
Brief communication - Opposition proceedings
May 21, 2024
Decision of the Opposition Division and instruction
May 21, 2024
Decision rejecting the opposition
May 21, 2024
Decision rejecting the opposition
May 21, 2024
Grounds for the decision (Annex) - opposition
May 21, 2024
Means of redress
May 21, 2024
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
May 21, 2024
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
May 21, 2024
Provision of a copy of the minutes - opposition procedure
May 21, 2024
Provision of a copy of the minutes - opposition procedure
May 21, 2024
Scanned annex to a communication - opposition procedure
May 3, 2024
Brief communication - Opposition proceedings
Apr 30, 2024
Information about the result of oral proceedings
Apr 29, 2024
(Electronic) Receipt
Apr 29, 2024
Letter accompanying subsequently filed items
Apr 29, 2024
Written submission in preparation to/during oral proceedings
Apr 29, 2024
Written submission in preparation to/during oral proceedings
Apr 5, 2024
(Electronic) Receipt
Mar 6, 2024
Brief communication - Opposition proceedings
Mar 5, 2024
Brief communication - Opposition proceedings
Feb 29, 2024
(Electronic) Receipt
Feb 29, 2024
Letter accompanying subsequently filed items
Feb 29, 2024
Written submission in preparation to/during oral proceedings
Feb 28, 2024
(Electronic) Receipt
Feb 28, 2024
(Electronic) Receipt
Feb 28, 2024
Auxiliary request during Opposition procedure
Feb 28, 2024
Auxiliary request during Opposition procedure - 03
Feb 28, 2024
Letter accompanying subsequently filed items
Feb 28, 2024
Letter accompanying subsequently filed items
Feb 28, 2024
Request for interpreters during oral proceedings
Feb 28, 2024
Written submission in preparation to/during oral proceedings
Feb 19, 2024
Brief communication - Opposition proceedings
Feb 14, 2024
(Electronic) Receipt
Feb 14, 2024
Letter accompanying subsequently filed items
Feb 14, 2024
Request for interpreters during oral proceedings
Aug 28, 2023
Advice of delivery
Aug 17, 2023
Advice of delivery
Aug 14, 2023
Transmittal of decision / summons - opposition
Aug 14, 2023
Transmittal of decision / summons - opposition
Aug 4, 2023
Advice of delivery
Jul 31, 2023
(Electronic) Receipt
Jul 31, 2023
Advice of delivery
Jul 31, 2023
Information concerning oral proceedings
Jul 31, 2023
Letter accompanying subsequently filed items
Jul 31, 2023
Notification concerning the date of oral proceedings
Jul 31, 2023
Notification concerning the date of oral proceedings
Jul 31, 2023
Summons to attend oral proceedings
Jul 31, 2023
Summons to attend oral proceedings
Jul 31, 2023
Transmittal of decision / summons - opposition
Jul 31, 2023
Transmittal of decision / summons - opposition
Jul 27, 2023
Brief communication - Opposition proceedings
Jul 26, 2023
Advice of delivery
Jul 24, 2023
(Electronic) Receipt
Jul 24, 2023
Any annexes (other than citation) to an opposition letter
Jul 24, 2023
Letter accompanying subsequently filed items
Jul 24, 2023
Oral proceedings: Request for postponement
Jul 20, 2023
Advice of delivery
Jul 20, 2023
Information concerning oral proceedings
Jul 20, 2023
Summons to attend oral proceedings
Jul 20, 2023
Summons to attend oral proceedings
Jul 20, 2023
Transmittal of decision / summons - opposition
Jul 20, 2023
Transmittal of decision / summons - opposition
Jul 18, 2023
Notification concerning the date of oral proceedings
Jul 17, 2023
Brief communication - Opposition proceedings
Jul 12, 2023
(Electronic) Receipt
Jul 12, 2023
Letter accompanying subsequently filed items
Jul 12, 2023
Oral proceedings: Request for postponement
Apr 13, 2023
Advice of delivery
Apr 11, 2023
Advice of delivery
Apr 11, 2023
Cover sheet for fax transmission
Apr 5, 2023
Annex to the communication - opposition
Apr 5, 2023
Information concerning oral proceedings
Apr 5, 2023
Scanned annex to a communication - opposition procedure
Apr 5, 2023
Summons to attend oral proceedings
Apr 5, 2023
Summons to attend oral proceedings
Apr 5, 2023
Transmittal of decision / summons - opposition
Apr 5, 2023
Transmittal of decision / summons - opposition
Dec 15, 2022
Brief communication - Opposition proceedings
Dec 12, 2022
(Electronic) Receipt
Dec 12, 2022
Auxiliary request during Opposition procedure
Dec 12, 2022
Auxiliary request during Opposition procedure
Dec 12, 2022
Auxiliary request during Opposition procedure
Dec 12, 2022
Auxiliary request during Opposition procedure
Dec 12, 2022
Auxiliary request during Opposition procedure
Dec 12, 2022
Auxiliary request during Opposition procedure
Dec 12, 2022
Auxiliary request during Opposition procedure - 01
Dec 12, 2022
Auxiliary request during Opposition procedure - 02
Dec 12, 2022
Auxiliary request during Opposition procedure - 03
Dec 12, 2022
Auxiliary request during Opposition procedure - 04
Dec 12, 2022
Auxiliary request during Opposition procedure - 05
Dec 12, 2022
Auxiliary request during Opposition procedure - 06
Dec 12, 2022
Letter accompanying subsequently filed items
Dec 12, 2022
Reply of the patent proprietor to the notice(s) of opposition
Aug 8, 2022
Communication of a notice of opposition and request to file observations
Aug 8, 2022
Notice of further oppositions to opponent(s)
Aug 3, 2022
Communication of a notice of opposition - first information to patent proprietor
Jul 26, 2022
(Electronic) Receipt
Jul 26, 2022
Citation in opposition procedure - 001
Jul 26, 2022
Citation in opposition procedure - 002
Jul 26, 2022
Citation in opposition procedure - 002
Jul 26, 2022
Citation in opposition procedure - 002
Jul 26, 2022
Citation in opposition procedure - 003
Jul 26, 2022
Citation in opposition procedure - 004
Jul 26, 2022
Citation in opposition procedure - 005
Jul 26, 2022
Consolidated list of cited opposition documents
Jul 26, 2022
Notice of opposition
Jul 26, 2022
Notice of opposition
Nov 9, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 30, 2021
Decision to grant a European patent
Sep 9, 2021
Communication of the registration of a transfer or change of name and/or address
Aug 19, 2021
(Electronic) Receipt
Aug 19, 2021
Filing of the translations of the claims
Aug 19, 2021
French translation of claims
Aug 19, 2021
German translation of the claims
Aug 19, 2021
Letter accompanying subsequently filed items
Jul 16, 2021
Annexes in respect of a client data request
Jul 16, 2021
Authorisation
Jul 16, 2021
Authorisation
Jul 16, 2021
Authorisation
Jul 16, 2021
Letter accompanying subsequently filed items
Jul 16, 2021
Letter concerning fees and payments
Jul 16, 2021
Submission concerning a transfer of rights (applicant)
Apr 22, 2021
Bibliographic data of the European patent application
Apr 22, 2021
Communication about intention to grant a European patent
Apr 22, 2021
Intention to grant (signatures)
Apr 22, 2021
Text intended for grant (clean copy)
Apr 22, 2021
Text intended for grant (version for approval)
Nov 19, 2020
Communication confirming withdrawal from representation
Nov 19, 2020
Communication of amended entries concerning the representative
Nov 12, 2020
(Electronic) Receipt
Nov 12, 2020
Letter accompanying subsequently filed items
Nov 12, 2020
Submission concerning change of applicant's representative
Nov 4, 2020
Notice drawing attention to the payment of the renewal fee and additional fee
Sep 4, 2020
Response to enquiry for communication from the Examining Division
Aug 20, 2020
(Electronic) Receipt
Aug 20, 2020
Enquiry as to the processing of the file
Aug 20, 2020
Letter accompanying subsequently filed items
Nov 5, 2019
Notice drawing attention to the payment of the renewal fee and additional fee
Apr 17, 2019
(Electronic) Receipt
Apr 17, 2019
Amended claims with annotations
Apr 17, 2019
Amended description with annotations
Apr 17, 2019
Claims
Apr 17, 2019
Description
Apr 17, 2019
Letter accompanying subsequently filed items
Apr 17, 2019
Reply to communication from the Examining Division
Feb 25, 2019
Annex to the communication
Feb 25, 2019
Communication from the Examining Division
Nov 5, 2018
Notice drawing attention to the payment of the renewal fee and additional fee
Jul 24, 2018
(Electronic) Receipt
Jul 24, 2018
Amended claims with annotations
Jul 24, 2018
Claims
Jul 24, 2018
Letter accompanying subsequently filed items
Jul 24, 2018
Reply to communication from the Examining Division
Apr 24, 2018
Annex to the communication
Apr 24, 2018
Communication from the Examining Division
Apr 17, 2018
Response to enquiry for communication from the Examining Division
Apr 4, 2018
(Electronic) Receipt
Apr 4, 2018
Enquiry as to the processing of the file
Apr 4, 2018
Letter accompanying subsequently filed items
Nov 29, 2017
Communication concerning the filing of a power of attorney
Nov 29, 2017
Communication of amended entries concerning the representative
Nov 20, 2017
(Electronic) Receipt
Nov 20, 2017
General authorisation
Nov 20, 2017
Letter accompanying subsequently filed items
Nov 20, 2017
Submission concerning change of applicant's representative
Nov 6, 2017
Notice drawing attention to the payment of the renewal fee and additional fee
Dec 21, 2016
Refund of fees
Dec 2, 2016
Communication of amended entries concerning the representative
Dec 2, 2016
Communication of the registration of a transfer or change of name and/or address
Nov 11, 2016
Submission concerning a transfer of rights (applicant)
Oct 21, 2016
Decision to allow further processing
Oct 12, 2016
Application deemed to be withdrawn (no reply to communication from the Examining Division)
Oct 7, 2016
(Electronic) Receipt
Oct 7, 2016
Letter accompanying subsequently filed items
Oct 7, 2016
Request for further processing
Jul 12, 2016
Grant of extension of time limit (examination procedure)
Jul 6, 2016
(Electronic) Receipt
Jul 6, 2016
Request for extension of time limit to communication from the Examining Division
Mar 2, 2016
Annex to the communication
Mar 2, 2016
Communication from the Examining Division
Nov 16, 2015
(Electronic) Receipt
Nov 16, 2015
Amended claims with annotations
Nov 16, 2015
Claims
Nov 16, 2015
Letter accompanying subsequently filed items
Nov 16, 2015
Reply to communication from the Examining Division
Oct 20, 2015
Request for change of applicant's representative
Sep 7, 2015
Grant of extension of time limit (examination procedure)
Sep 2, 2015
(Electronic) Receipt
Sep 2, 2015
Request for extension of time limit to communication from the Examining Division
May 5, 2015
Annex to the communication
May 5, 2015
Communication from the Examining Division
Apr 27, 2015
Examination started
Mar 24, 2015
Request for change of applicant's representative
Feb 16, 2015
(Electronic) Receipt
Feb 16, 2015
Amended claims filed after receipt of (European) search report
Feb 16, 2015
Amended claims with annotations
Feb 16, 2015
Amendments received before examination
Feb 16, 2015
Letter accompanying subsequently filed items
Sep 1, 2014
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 13, 2014
Refund of fees
Jul 25, 2014
Communication regarding the transmission of the European search report
Jul 25, 2014
European search opinion
Jul 25, 2014
European search report
Apr 16, 2014
Miscellaneous requests concerning client data
Apr 16, 2014
Request for change of applicant's representative
Dec 4, 2013
CDS Clean up - amended data concerning the representative for the applicant
Mar 11, 2013
(Electronic) Receipt
Mar 11, 2013
Letter accompanying subsequently filed items
Mar 6, 2013
Notification of forthcoming publication
Feb 13, 2013
Confirmation of receipt of (electronically) transmitted priority document
Feb 8, 2013
Priority document (electronically transmitted)
Feb 6, 2013
Communication regarding the transmission of the European search report
Feb 6, 2013
Partial European search report
Dec 10, 2012
Communication to designated inventor
Dec 3, 2012
Invitation to indicate correct address of inventor
Dec 3, 2012
Letter concerning the inventor
Nov 26, 2012
Letter which had not been notified
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Nov 5, 2012
Communication to designated inventor
Sep 18, 2012
Priority search results copy provided by EPO
Sep 11, 2012
Abstract
Sep 11, 2012
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Sep 11, 2012
Claims
Sep 11, 2012
Description
Sep 11, 2012
Designation of inventor
Sep 11, 2012
Designation of inventor
Sep 11, 2012
Designation of inventor
Sep 11, 2012
Designation of inventor
Sep 11, 2012
Designation of inventor
Sep 11, 2012
Designation of inventor
Sep 11, 2012
Designation of inventor
Sep 11, 2012
Designation of inventor
Sep 11, 2012
Drawings
Sep 11, 2012
Request for grant of a European patent

EP2574331

NOXELL

Application Number: EP12183832A
Filing Date: Sep 11, 2012
Status: Granted And Under Opposition; Sep 24, 2021
Publication Date: Oct 27, 2021
External Links: Slate, Register , Google Patents

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Method For Colouring Hair

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Dossier Documents

EP2574331