Antidandruff Hair Care Composition Comprising Pyrithione

Patent No. EP3614992 (titled "Antidandruff Hair Care Composition Comprising Pyrithione") was filed by Unilever on Mar 22, 2018. The application was issued on Oct 13, 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
THE PROCTER & GAMBLE	Jul 13, 2022	P&G PATENT GERMANY

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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Mar 19, 2024
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 19, 2024
Communication to the parties concerning the termination of the opposition proceedings (proprietor)
Dec 15, 2023
(Electronic) Receipt
Dec 15, 2023
Advice of delivery
Dec 15, 2023
Letter accompanying subsequently filed items
Dec 13, 2023
(Electronic) Receipt
Dec 13, 2023
Advice of delivery
Dec 13, 2023
Decision revoking the European patent
Dec 13, 2023
Decision revoking the European patent
Dec 13, 2023
Letter accompanying subsequently filed items
Dec 13, 2023
Transmittal of decision / summons - opposition
Dec 13, 2023
Transmittal of decision / summons - opposition
Dec 12, 2023
(Electronic) Receipt
Dec 12, 2023
Letter accompanying subsequently filed items
Dec 12, 2023
Request for revocation of patent
Dec 7, 2023
Brief communication - Opposition proceedings
Dec 7, 2023
Brief communication in opposition procedure - time limit
Dec 5, 2023
(Electronic) Receipt
Dec 5, 2023
Letter accompanying subsequently filed items
Dec 5, 2023
Request for revocation of patent
Dec 4, 2023
Brief communication - Opposition proceedings
Dec 4, 2023
Notification concerning the date of oral proceedings
Dec 4, 2023
Notification concerning the date of oral proceedings
Nov 30, 2023
(Electronic) Receipt
Nov 30, 2023
Letter accompanying subsequently filed items
Nov 30, 2023
Written submission in preparation to/during oral proceedings
Nov 29, 2023
Brief communication - Opposition proceedings
Nov 23, 2023
Brief communication - Opposition proceedings
Nov 21, 2023
Brief communication - Opposition proceedings
Nov 17, 2023
(Electronic) Receipt
Nov 17, 2023
Letter accompanying subsequently filed items
Nov 17, 2023
Written submission in preparation to/during oral proceedings
Jun 5, 2023
Miscellaneous requests concerning client data
May 19, 2023
Brief communication - Opposition proceedings
May 19, 2023
Communication confirming withdrawal from representation
May 19, 2023
Communication of amended entries concerning the representative
May 12, 2023
(Electronic) Receipt
May 12, 2023
Letter accompanying subsequently filed items
May 12, 2023
Submission concerning change of proprietor's representative
Mar 28, 2023
(Electronic) Receipt
Mar 28, 2023
Advice of delivery
Mar 28, 2023
Brief communication - Opposition proceedings
Mar 28, 2023
Letter accompanying subsequently filed items
Mar 23, 2023
(Electronic) Receipt
Mar 23, 2023
(Electronic) Receipt
Mar 23, 2023
Advice of delivery
Mar 23, 2023
Letter accompanying subsequently filed items
Mar 23, 2023
Letter accompanying subsequently filed items
Mar 23, 2023
Request for interpreters during oral proceedings
Mar 21, 2023
Advice of delivery
Mar 20, 2023
Annex to the communication - opposition
Mar 20, 2023
Scanned annex to a communication - opposition procedure
Mar 20, 2023
Summons to attend oral proceedings
Mar 20, 2023
Summons to attend oral proceedings
Mar 20, 2023
Transmittal of decision / summons - opposition
Mar 20, 2023
Transmittal of decision / summons - opposition
Dec 20, 2022
Document concerning representation
Nov 7, 2022
Brief communication - Opposition proceedings
Nov 1, 2022
(Electronic) Receipt
Nov 1, 2022
Auxiliary request during Opposition procedure
Nov 1, 2022
Auxiliary request during Opposition procedure
Nov 1, 2022
Auxiliary request during Opposition procedure
Nov 1, 2022
Auxiliary request during Opposition procedure - 01
Nov 1, 2022
Auxiliary request during Opposition procedure - 02
Nov 1, 2022
Auxiliary request during Opposition procedure - 03
Nov 1, 2022
Letter accompanying subsequently filed items
Nov 1, 2022
Reply of the patent proprietor to the notice(s) of opposition
Aug 9, 2022
Brief communication - Opposition proceedings
Aug 9, 2022
Communication concerning the filing of a power of attorney
Aug 9, 2022
Communication of amended entries concerning the representative
Aug 4, 2022
(Electronic) Receipt
Aug 4, 2022
General authorisation
Aug 4, 2022
Letter accompanying subsequently filed items
Aug 4, 2022
Submission concerning change of proprietor's representative
Jul 25, 2022
Communication of a notice of opposition and request to file observations
Jul 25, 2022
Notice of further oppositions to opponent(s)
Jul 20, 2022
Communication of a notice of opposition - first information to patent proprietor
Jul 13, 2022
(Electronic) Receipt
Jul 13, 2022
Citation in opposition procedure - 001
Jul 13, 2022
Citation in opposition procedure - 002
Jul 13, 2022
Citation in opposition procedure - 003
Jul 13, 2022
Citation in opposition procedure - 004
Jul 13, 2022
Citation in opposition procedure - 004
Jul 13, 2022
Citation in opposition procedure - 005
Jul 13, 2022
Citation in opposition procedure - 006
Jul 13, 2022
Citation in opposition procedure - 007
Jul 13, 2022
Citation in opposition procedure - 007
Jul 13, 2022
Citation in opposition procedure - 008
Jul 13, 2022
Citation in opposition procedure - 009
Jul 13, 2022
Citation in opposition procedure - 010
Jul 13, 2022
Citation in opposition procedure - 010
Jul 13, 2022
Consolidated list of cited opposition documents
Jul 13, 2022
Letter accompanying subsequently filed items
Jul 13, 2022
Notice of opposition
Jul 13, 2022
Notice of opposition
Jan 24, 2022
Communication concerning corrected entries of the applicant
Oct 26, 2021
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 16, 2021
Decision to grant a European patent
Sep 1, 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
Jul 22, 2021
(Electronic) Receipt
Jul 22, 2021
Filing of the translations of the claims
Jul 22, 2021
French translation of claims
Jul 22, 2021
German translation of the claims
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
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)
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 8, 2021
Examination started
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)
Oct 1, 2020
Document concerning representation
May 29, 2020
(Electronic) Receipt
May 29, 2020
Letter accompanying subsequently filed items
May 29, 2020
Reply to Written Opinion prepared by the EPO
Feb 5, 2020
Notification on forthcoming publication of bibliographic data
Jan 13, 2020
Request for change of applicant's representative
Dec 3, 2019
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Nov 29, 2019
Communication to designated inventor
Nov 29, 2019
Communication to designated inventor
Nov 29, 2019
Communication to designated inventor
Nov 29, 2019
Communication to designated inventor
Nov 26, 2019
Priority search results copy provided by EPO
Nov 11, 2019
Copy of the international preliminary report on patentability
Sep 26, 2019
Information regarding early processing
Sep 25, 2019
Notification of the recording of a change
Sep 25, 2019
Notification of the recording of a change
Sep 25, 2019
Notification of the recording of a change
Sep 16, 2019
(Electronic) Receipt
Sep 16, 2019
Request for entry into the European phase
Sep 6, 2019
Information on entry into European phase
Nov 20, 2018
Priority document (electronically transmitted)
Nov 20, 2018
Priority document (electronically transmitted)
Nov 1, 2018
Copy of the international search report
Nov 1, 2018
Published international application - A1
Oct 18, 2018
ISR: cited documents
Oct 17, 2018
Written opinion of the ISA, boxes No. I to VIII
Oct 17, 2018
Written opinion of the ISA, cover sheet
Oct 17, 2018
Written opinion of the ISA, supplemental box
Oct 10, 2018
(Electronic) Receipt
Jul 25, 2018
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Jul 25, 2018
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Apr 16, 2018
Notification of receipt of Search copy
Apr 13, 2018
Notification of the international application number and of the international filing date
Apr 10, 2018
Request form for international application (copy for ISA/EP)
Mar 22, 2018
(Electronic) Receipt
Mar 22, 2018
Abstract
Mar 22, 2018
Claims
Mar 22, 2018
Description
Mar 22, 2018
Document concerning fees and payments
Mar 22, 2018
Electronic request for grant of an International application
Mar 22, 2018
Incoming communication concerning PCT Direct
Mar 22, 2018
Priority document (RO-procedure)

EP3614992

UNILEVER

Application Number: EP18714199A
Filing Date: Mar 22, 2018
Status: Revoked; Mar 15, 2024
Publication Date: Oct 13, 2021
External Links: Slate, Register , Google Patents

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Antidandruff Hair Care Composition Comprising Pyrithione

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Dossier Documents

EP3614992