Method Of Treating Hair

Patent No. EP2852375 (titled "Method Of Treating Hair") was filed by Unilever on Apr 15, 2013. The application was issued on Apr 4, 2018.

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
LOREAL	Jan 4, 2019	FEVRIER
L'OREAL	Jan 4, 2019	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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Jul 13, 2023
Termination of the opposition proceedings with maintenance of patent
Jun 30, 2023
Decision of the Board of Appeal
Jun 30, 2023
F3032 Notification(s) of the decision
Jun 30, 2023
F3032 Notification(s) of the decision
May 23, 2023
Communication confirming withdrawal from representation
May 23, 2023
Communication of amended entries concerning the representative
May 23, 2023
F3345 Forwarding of submissions to parties
May 12, 2023
(Electronic) Receipt
May 12, 2023
Letter accompanying subsequently filed items
May 12, 2023
Submission concerning change of proprietor's representative
Apr 24, 2023
F3013 Oral Proceedings: Forwarding minutes
Apr 24, 2023
F3013 Oral Proceedings: Forwarding minutes
Apr 24, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 9, 2023
F3004 Communication of the Registry
Mar 6, 2023
Letter accompanying subsequently filed items
Mar 6, 2023
Request for a change of address - opponent
Mar 1, 2023
F3004 Communication of the Registry
Mar 1, 2023
F3004 Communication of the Registry
Feb 21, 2023
F3018 Oral proceedings: Confirmation interpreters
Feb 20, 2023
Communication concerning the filing of a power of attorney
Feb 20, 2023
Communication of amended entries concerning the representative
Feb 20, 2023
F3345 Forwarding of submissions to parties
Feb 13, 2023
(Electronic) Receipt
Feb 13, 2023
General authorisation
Feb 13, 2023
Letter accompanying subsequently filed items
Feb 13, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 16, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 16, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jan 9, 2023
Document concerning representation
Jan 9, 2023
General authorisation
Jan 9, 2023
Letter accompanying subsequently filed items
Dec 22, 2022
F3345 Forwarding of submissions to parties
Dec 16, 2022
(Electronic) Receipt
Dec 16, 2022
Letter accompanying subsequently filed items
Dec 16, 2022
Letter dealing with oral proceedings during the appeal procedure
Nov 7, 2022
F3022 Oral proceedings: change of board composition
Nov 2, 2022
F3303.17 Change of the composition of the Board (T), in case Chairman is a legal member
Apr 14, 2022
F3011.1 Oral Proceedings: summons
Apr 14, 2022
F3011.1 Oral Proceedings: summons
Apr 11, 2022
F3010 Oral proceedings: order for summons
Jan 24, 2022
Communication concerning corrected entries of the applicant
Aug 27, 2021
Communication of the registration of a transfer or change of name and/or address
Aug 5, 2021
Letter accompanying subsequently filed items
Aug 5, 2021
Letter to the Legal Division
Jun 29, 2021
Communication from the Legal Division
Jun 1, 2021
Annex
Jun 1, 2021
Annex
Jun 1, 2021
Letter accompanying subsequently filed items
Jun 1, 2021
Letter to the Legal Division
May 31, 2021
Annex
May 31, 2021
Cover sheet for fax transmission
May 28, 2021
Annex
May 28, 2021
Cover sheet for fax transmission
May 28, 2021
Letter to the Legal Division
Mar 31, 2021
Communication from the Legal Division
Mar 24, 2021
Annexes in respect of a client data request
Mar 24, 2021
Letter accompanying subsequently filed items
Mar 24, 2021
Submission concerning a transfer of rights (applicant)
Mar 23, 2021
Annexes in respect of a client data request
Mar 23, 2021
Annexes in respect of a client data request
Mar 23, 2021
Annexes in respect of a client data request
Mar 23, 2021
Annexes in respect of a client data request
Mar 23, 2021
Letter accompanying subsequently filed items
Mar 23, 2021
Submission concerning a transfer of rights (applicant)
Mar 16, 2021
Annexes in respect of a client data request
Mar 16, 2021
Letter accompanying subsequently filed items
Mar 16, 2021
Submission concerning a transfer of rights (applicant)
Mar 12, 2021
Communication from the Legal Division
Mar 10, 2021
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Mar 10, 2021
Indication of deficiencies in a request for registering a transfer of rights and invitation to correct them
Mar 5, 2021
Annexes in respect of a client data request
Mar 5, 2021
Annexes in respect of a client data request
Mar 5, 2021
Annexes in respect of a client data request
Mar 5, 2021
Annexes in respect of a client data request
Mar 5, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Letter accompanying subsequently filed items
Mar 5, 2021
Submission concerning a transfer of rights (applicant)
Mar 5, 2021
Submission concerning a transfer of rights (applicant)
Mar 5, 2021
Submission concerning a transfer of rights (applicant)
Mar 5, 2021
Submission concerning a transfer of rights (applicant)
Feb 1, 2021
Annexes in respect of a client data request
Feb 1, 2021
Annexes in respect of a client data request
Feb 1, 2021
Annexes in respect of a client data request
Feb 1, 2021
Annexes in respect of a client data request
Feb 1, 2021
Annexes in respect of a client data request
Feb 1, 2021
Annexes in respect of a client data request
Feb 1, 2021
Annexes in respect of a client data request
Feb 1, 2021
Letter accompanying subsequently filed items
Feb 1, 2021
Submission concerning a transfer of rights (applicant)
Jan 19, 2021
F3345 Forwarding of submissions to parties
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Amended claims with annotations
Jan 11, 2021
Amended claims with annotations
Jan 11, 2021
Auxiliary request during appeals procedure - 01
Jan 11, 2021
Auxiliary request during appeals procedure - 02
Jan 11, 2021
Letter accompanying subsequently filed items
Jan 11, 2021
Reply to appeal
Nov 20, 2020
Composition of the board (T)
Oct 1, 2020
Document concerning representation
Aug 25, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Aug 20, 2020
(Electronic) Receipt
Aug 20, 2020
Citation in appeal procedure - 017
Aug 20, 2020
Letter accompanying subsequently filed items
Aug 20, 2020
Statement of grounds of appeal
Jul 1, 2020
F3204 Communication of the file number to the parties
Jul 1, 2020
F3204 Communication of the file number to the parties
Jun 19, 2020
(Electronic) Receipt
Jun 19, 2020
Letter accompanying subsequently filed items
Jun 19, 2020
Notice of appeal
May 25, 2020
Advice of delivery
May 15, 2020
(Electronic) Receipt
May 15, 2020
Advice of delivery
May 15, 2020
Letter accompanying subsequently filed items
Apr 20, 2020
Acknowledgement of a document
Apr 20, 2020
Acknowledgement of a document
Apr 20, 2020
Annex to the communication - opposition
Apr 20, 2020
Decision rejecting the opposition
Apr 20, 2020
Grounds for the decision (Annex) - opposition
Apr 20, 2020
Internal form - Opposition/addressees
Apr 20, 2020
Internal form - Opposition/addressees
Apr 20, 2020
Means of redress
Apr 20, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 20, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 20, 2020
Provision of a copy of the minutes - opposition procedure
Feb 24, 2020
Brief communication - Opposition proceedings
Feb 20, 2020
Brief communication - Opposition proceedings
Feb 20, 2020
Information about the result of oral proceedings
Feb 18, 2020
Brief communication - Opposition proceedings
Feb 18, 2020
Written submission in preparation to/during oral proceedings
Feb 17, 2020
(Electronic) Receipt
Feb 17, 2020
Brief communication - Opposition proceedings
Feb 17, 2020
Letter accompanying subsequently filed items
Feb 17, 2020
Written submission in preparation to/during oral proceedings
Feb 17, 2020
Written submission in preparation to/during oral proceedings
Feb 13, 2020
(Electronic) Receipt
Feb 13, 2020
Brief communication - Opposition proceedings
Feb 13, 2020
Letter accompanying subsequently filed items
Feb 13, 2020
Written submission in preparation to/during oral proceedings
Jan 16, 2020
Brief communication - Opposition proceedings
Jan 13, 2020
(Electronic) Receipt
Jan 13, 2020
Letter accompanying subsequently filed items
Jan 13, 2020
Written submission in preparation to/during oral proceedings
Jan 9, 2020
Brief communication - Opposition proceedings
Jan 8, 2020
Brief communication - Opposition proceedings
Dec 20, 2019
(Electronic) Receipt
Dec 20, 2019
(Electronic) Receipt
Dec 20, 2019
Amended claims with annotations
Dec 20, 2019
Amended claims with annotations
Dec 20, 2019
Any annexes (other than citation) to an opposition letter
Dec 20, 2019
Citation in opposition procedure - 013
Dec 20, 2019
Claims
Dec 20, 2019
Claims
Dec 20, 2019
Letter accompanying subsequently filed items
Dec 20, 2019
Letter accompanying subsequently filed items
Dec 20, 2019
Request for interpreters during oral proceedings
Dec 20, 2019
Written submission in preparation to/during oral proceedings
Sep 30, 2019
Advice of delivery
Sep 27, 2019
Advice of delivery
Sep 26, 2019
Advice of delivery
Sep 24, 2019
Advice of delivery
Sep 17, 2019
Acknowledgement of a document
Sep 17, 2019
Acknowledgement of a document
Sep 17, 2019
Annex to the communication - opposition
Sep 17, 2019
Information concerning oral proceedings
Sep 17, 2019
Summons to attend oral proceedings
Sep 17, 2019
Summons to attend oral proceedings
Jun 4, 2019
Brief communication - Opposition proceedings
May 31, 2019
Brief communication - Opposition proceedings
May 31, 2019
Communication of amended entries
May 28, 2019
(Electronic) Receipt
May 28, 2019
Letter accompanying subsequently filed items
May 28, 2019
Reply of the patent proprietor to the notice(s) of opposition
May 24, 2019
Request for change of opponent's representative
May 20, 2019
Request for change of applicant's representative
Jan 18, 2019
Communication of a notice of opposition and request to file observations
Jan 18, 2019
Notice of further oppositions to opponent(s)
Jan 14, 2019
Communication of a notice of opposition - first information to patent proprietor
Jan 4, 2019
(Electronic) Receipt
Jan 4, 2019
Citation in opposition procedure
Jan 4, 2019
Citation in opposition procedure
Jan 4, 2019
Citation in opposition procedure - 001
Jan 4, 2019
Citation in opposition procedure - 002
Jan 4, 2019
Citation in opposition procedure - 003
Jan 4, 2019
Citation in opposition procedure - 004
Jan 4, 2019
Citation in opposition procedure - 005
Jan 4, 2019
Citation in opposition procedure - 006
Jan 4, 2019
Citation in opposition procedure - 007
Jan 4, 2019
Citation in opposition procedure - 008
Jan 4, 2019
Citation in opposition procedure - 009
Jan 4, 2019
Citation in opposition procedure - 010
Jan 4, 2019
Citation in opposition procedure - 011
Jan 4, 2019
Citation in opposition procedure - 012
Jan 4, 2019
Citation in opposition procedure - 013
Jan 4, 2019
Citation in opposition procedure - 013
Jan 4, 2019
Citation in opposition procedure - 013
Jan 4, 2019
Citation in opposition procedure - 014
Jan 4, 2019
Cover sheet for fax transmission
Jan 4, 2019
Letter regarding the opposition procedure (no time limit)
Jan 4, 2019
Notice of opposition
Jan 4, 2019
Notice of opposition
Jan 4, 2019
Priority document
Jan 4, 2019
Priority document
Apr 16, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 8, 2018
Decision to grant a European patent
Feb 21, 2018
(Electronic) Receipt
Feb 21, 2018
Filing of the translations of the claims
Feb 21, 2018
French translation of claims
Feb 21, 2018
German translation of the claims
Nov 21, 2017
Bibliographic data of the European patent application
Nov 21, 2017
Communication about intention to grant a European patent
Nov 21, 2017
Intention to grant (signatures)
Nov 21, 2017
Text intended for grant (clean copy)
Nov 21, 2017
Text intended for grant (version for approval)
Feb 24, 2017
(Electronic) Receipt
Feb 24, 2017
Amended description with annotations
Feb 24, 2017
Description
Feb 24, 2017
Letter accompanying subsequently filed items
Feb 24, 2017
Reply to communication from the Examining Division
Nov 2, 2016
Annex to the communication
Nov 2, 2016
Communication from the Examining Division
Oct 24, 2016
Examination started
Aug 10, 2015
Amended claims filed after receipt of (European) search report
Aug 10, 2015
Amendments received before examination
Mar 4, 2015
Notification on forthcoming publication of bibliographic data
Feb 3, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jan 27, 2015
Priority search results copy provided by EPO
Jan 8, 2015
Communication to designated inventor
Jan 8, 2015
Communication to designated inventor
Dec 8, 2014
Copy of the international preliminary report on patentability
Oct 29, 2014
(Electronic) Receipt
Oct 29, 2014
Request for entry into the European phase
Oct 6, 2014
Information on entry into European phase
Apr 7, 2014
CDS Clean up - amended applicant details
Dec 19, 2013
Priority document (electronically transmitted)
Dec 19, 2013
Priority document (electronically transmitted)
Nov 28, 2013
Copy of the international search report
Nov 28, 2013
Published international application - A1
Aug 15, 2013
Notification of the recording of a change
Jul 16, 2013
Written opinion of the ISA, boxes No. I to VIII
Jul 16, 2013
Written opinion of the ISA, cover sheet
Jul 16, 2013
Written opinion of the ISA, supplemental box
Jun 21, 2013
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Jun 21, 2013
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Apr 15, 2013
(Electronic) Receipt
Apr 15, 2013
Abstract
Apr 15, 2013
Claims
Apr 15, 2013
Description
Apr 15, 2013
Priority document (RO-procedure)
Apr 15, 2013
Priority document (RO-procedure)

EP2852375

UNILEVER

Application Number: EP13715708A
Filing Date: Apr 15, 2013
Status: Opposition Rejected; Jul 14, 2023
Publication Date: Apr 4, 2018
External Links: Slate, Register , Google Patents

IP Verse

Method Of Treating Hair

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2852375