Process For Treating Hair

Patent No. EP3463276 (titled "Process For Treating Hair") was filed by KAO Germany on Jun 1, 2017. The application was issued on Mar 2, 2022.

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	Nov 30, 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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Feb 3, 2026
Maintenance of the patent with the documents specified in the final decision
Oct 31, 2025
Annex to the communication - opposition
Oct 31, 2025
Brief communication - Opposition proceedings
Oct 31, 2025
Brief communication - Opposition proceedings
Oct 31, 2025
Decision of the Opposition Division and instruction
Oct 31, 2025
Druckexemplar in opposition procedure
Oct 31, 2025
Grounds for the decision (Annex) - opposition
Oct 31, 2025
Interlocutory decision in opposition proceedings
Oct 31, 2025
Interlocutory decision in opposition proceedings
Oct 31, 2025
Means of redress
Oct 31, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 31, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 31, 2025
Provision of a copy of the minutes - opposition procedure
Oct 31, 2025
Provision of a copy of the minutes - opposition procedure
Oct 31, 2025
Scanned annex to a communication - opposition procedure
Oct 31, 2025
Scanned annex to a communication - opposition procedure
Oct 31, 2025
Scanned annex to a communication - opposition procedure
Oct 31, 2025
Scanned annex to a communication - opposition procedure
Oct 31, 2025
Scanned annex to a communication - opposition procedure
Oct 31, 2025
Scanned annex to a communication - opposition procedure
Oct 7, 2025
Information about the result of oral proceedings
Sep 26, 2025
Brief communication - Opposition proceedings
Sep 25, 2025
(Electronic) Receipt
Sep 25, 2025
Letter accompanying subsequently filed items
Sep 25, 2025
Written submission in preparation to/during oral proceedings
Aug 7, 2025
Brief communication - Opposition proceedings
Aug 4, 2025
(Electronic) Receipt
Aug 4, 2025
Auxiliary request during Opposition procedure
Aug 4, 2025
Auxiliary request during Opposition procedure
Aug 4, 2025
Auxiliary request during Opposition procedure - 01
Aug 4, 2025
Auxiliary request during Opposition procedure - 02
Aug 4, 2025
Letter accompanying subsequently filed items
Aug 4, 2025
Written submission in preparation to/during oral proceedings
Jul 15, 2025
Brief communication - Opposition proceedings
Jul 10, 2025
(Electronic) Receipt
Jul 10, 2025
Letter accompanying subsequently filed items
Jul 10, 2025
Request for interpreters during oral proceedings
Mar 3, 2025
Annex to the communication - opposition
Mar 3, 2025
Information concerning oral proceedings
Mar 3, 2025
Scanned annex to a communication - opposition procedure
Mar 3, 2025
Summons to attend oral proceedings
Mar 3, 2025
Summons to attend oral proceedings
Apr 28, 2023
Brief communication - Opposition proceedings
Apr 24, 2023
(Electronic) Receipt
Apr 24, 2023
Citation in opposition procedure - 005
Apr 24, 2023
Consolidated list of cited opposition documents
Apr 24, 2023
Letter accompanying subsequently filed items
Apr 24, 2023
Reply of the patent proprietor to the notice(s) of opposition
Dec 14, 2022
Communication of a notice of opposition and request to file observations
Dec 14, 2022
Notice of further oppositions to opponent(s)
Dec 6, 2022
Communication of a notice of opposition - first information to patent proprietor
Nov 30, 2022
(Electronic) Receipt
Nov 30, 2022
Citation in opposition procedure - 001
Nov 30, 2022
Citation in opposition procedure - 002
Nov 30, 2022
Citation in opposition procedure - 003
Nov 30, 2022
Citation in opposition procedure - 004
Nov 30, 2022
Notice of opposition
Nov 30, 2022
Notice of opposition
Mar 15, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Feb 3, 2022
Decision to grant a European patent
Jan 24, 2022
(Electronic) Receipt
Jan 24, 2022
Filing of the translations of the claims
Jan 24, 2022
French translation of claims
Jan 24, 2022
German translation of the claims
Oct 26, 2021
Bibliographic data of the European patent application
Oct 26, 2021
Communication about intention to grant a European patent
Oct 26, 2021
Intention to grant (signatures)
Oct 26, 2021
Text intended for grant (clean copy)
Oct 26, 2021
Text intended for grant (version for approval)
Oct 6, 2020
Notice drawing attention to the payment of the renewal fee and additional fee
Aug 4, 2020
(Electronic) Receipt
Aug 4, 2020
Letter accompanying subsequently filed items
Aug 4, 2020
Reply to communication from the Examining Division
Apr 1, 2020
Annex to the communication
Apr 1, 2020
Communication from the Examining Division
Mar 26, 2020
Claims
Mar 26, 2020
Payment submission rejected
Mar 26, 2020
Reply to communication from the Examining Division
Mar 24, 2020
Claims
Mar 24, 2020
Reply to communication from the Examining Division
Jan 23, 2020
Grant of extension of time limit (examination procedure)
Jan 20, 2020
Request for extension of time limit to communication from the Examining Division
Sep 10, 2019
Annex to the communication
Sep 10, 2019
Communication from the Examining Division
Jul 15, 2019
(Electronic) Receipt
Jul 15, 2019
Letter accompanying subsequently filed items
Jul 15, 2019
Reply to Written Opinion prepared by the EPO
Mar 13, 2019
Notification on forthcoming publication of bibliographic data
Jan 15, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 11, 2019
Communication to designated inventor
Jan 11, 2019
Communication to designated inventor
Jan 11, 2019
Communication to designated inventor
Jan 8, 2019
Copy of the international preliminary report on patentability
Jan 8, 2019
Priority search results copy provided by EPO
Dec 11, 2018
(Electronic) Receipt
Dec 11, 2018
Request for entry into the European phase
Oct 19, 2018
Information on entry into European phase
Jan 3, 2018
Priority document (electronically transmitted)
Dec 14, 2017
Copy of the international search report
Dec 14, 2017
Published international application - A1
Sep 26, 2017
Written opinion of the ISA, boxes No. I to VIII
Sep 26, 2017
Written opinion of the ISA, cover sheet
Sep 26, 2017
Written opinion of the ISA, supplemental box
Jun 20, 2017
Notification of the international application number and of the international filing date
Jun 1, 2017
(Electronic) Receipt
Jun 1, 2017
Abstract
Jun 1, 2017
Claims
Jun 1, 2017
Description
Jun 1, 2017
Document concerning fees and payments
Jun 1, 2017
Electronic request for grant of an International application
Jun 1, 2017
Priority document (RO-procedure)

EP3463276

KAO GERMANY

Application Number: EP17728513A
Filing Date: Jun 1, 2017
Status: Granted And Under Opposition; Jan 28, 2022
Publication Date: Mar 2, 2022
External Links: Slate, Register , Google Patents

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Process For Treating Hair

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Dossier Documents

EP3463276