Cleansing Composition

Patent No. EP3773456 (titled "Cleansing Composition") was filed by Unilever on May 8, 2019. The application was issued on Aug 28, 2024.

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
KAO GERMANY	May 27, 2025	-
DALLI WERKE	May 12, 2025	F & E PATENT

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 5, 2026
Brief communication - Opposition proceedings
Jan 5, 2026
Brief communication - Opposition proceedings
Dec 22, 2025
(Electronic) Receipt
Dec 22, 2025
Letter accompanying subsequently filed items
Dec 22, 2025
Reply from the opponent to submission of proprietor
Oct 16, 2025
Brief communication - Opposition proceedings
Oct 16, 2025
Brief communication - Opposition proceedings
Oct 13, 2025
(Electronic) Receipt
Oct 13, 2025
Auxiliary request during Opposition procedure
Oct 13, 2025
Auxiliary request during Opposition procedure
Oct 13, 2025
Auxiliary request during Opposition procedure
Oct 13, 2025
Auxiliary request during Opposition procedure
Oct 13, 2025
Auxiliary request during Opposition procedure - 01
Oct 13, 2025
Auxiliary request during Opposition procedure - 02
Oct 13, 2025
Auxiliary request during Opposition procedure - 03
Oct 13, 2025
Auxiliary request during Opposition procedure - 04
Oct 13, 2025
Letter accompanying subsequently filed items
Oct 13, 2025
Reply of the patent proprietor to the notice(s) of opposition
Aug 26, 2025
Communication of the registration of a transfer or change of name and/or address
Aug 6, 2025
Annexes in respect of a client data request
Aug 6, 2025
Letter accompanying subsequently filed items
Aug 6, 2025
Submission concerning change of applicant's address
Jun 11, 2025
Communication of a notice of opposition and request to file observations
Jun 11, 2025
Notice of further oppositions to opponent(s)
Jun 11, 2025
Notice of further oppositions to opponent(s)
Jun 4, 2025
Communication of a notice of opposition - first information to patent proprietor
May 27, 2025
(Electronic) Receipt
May 27, 2025
Citation in opposition procedure
May 27, 2025
Citation in opposition procedure - 008
May 27, 2025
Citation in opposition procedure - 009
May 27, 2025
Citation in opposition procedure - 009
May 27, 2025
Citation in opposition procedure - 010
May 27, 2025
Consolidated list of cited opposition documents
May 27, 2025
Notice of opposition
May 27, 2025
Notice of opposition
May 16, 2025
Communication of a notice of opposition - first information to patent proprietor
May 12, 2025
(Electronic) Receipt
May 12, 2025
Citation in opposition procedure - 001
May 12, 2025
Citation in opposition procedure - 002
May 12, 2025
Citation in opposition procedure - 003
May 12, 2025
Citation in opposition procedure - 004
May 12, 2025
Citation in opposition procedure - 005
May 12, 2025
Citation in opposition procedure - 006
May 12, 2025
Citation in opposition procedure - 007
May 12, 2025
Letter accompanying subsequently filed items
May 12, 2025
Notice of opposition
May 12, 2025
Notice of opposition
Sep 10, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 1, 2024
Decision to grant a European patent
Jul 18, 2024
(Electronic) Receipt
Jul 18, 2024
Filing of the translations of the claims
Jul 18, 2024
French translation of claims
Jul 18, 2024
German translation of the claims
Jun 11, 2024
Annex to the communication about intention to grant a European patent
Jun 11, 2024
Bibliographic data of the European patent application
Jun 11, 2024
Communication about intention to grant a European patent
Jun 11, 2024
Intention to grant (signatures)
Jun 11, 2024
Text intended for grant (clean copy)
Jun 11, 2024
Text intended for grant (version for approval)
May 25, 2023
Miscellaneous requests concerning client data
Jan 9, 2023
Document concerning representation
Jan 9, 2023
General authorisation
Jan 9, 2023
Letter accompanying subsequently filed items
Jun 21, 2022
(Electronic) Receipt
Jun 21, 2022
Amended claims with annotations
Jun 21, 2022
Amended description with annotations
Jun 21, 2022
Claims
Jun 21, 2022
Description
Jun 21, 2022
Letter accompanying subsequently filed items
Jun 21, 2022
Reply to communication from the Examining Division
Feb 24, 2022
Annex to the communication
Feb 24, 2022
Communication from the Examining Division
Feb 17, 2022
Examination started
Jan 24, 2022
Communication concerning corrected entries of the applicant
Aug 30, 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
(Electronic) Receipt
May 28, 2021
Amended claims filed after receipt of (European) search report
May 28, 2021
Amended claims with annotations
May 28, 2021
Amendments received before examination
May 28, 2021
Annex
May 28, 2021
Cover sheet for fax transmission
May 28, 2021
Letter accompanying subsequently filed items
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 20, 2021
Notification on forthcoming publication of bibliographic data
Dec 14, 2020
Communication to designated inventor
Dec 14, 2020
Communication to designated inventor
Dec 14, 2020
Communication to designated inventor
Dec 14, 2020
Communication to designated inventor
Dec 14, 2020
Communication to designated inventor
Dec 8, 2020
Priority search results copy provided by EPO
Nov 30, 2020
Copy of the international preliminary report on patentability
Nov 13, 2020
Confirmation of effective date of early entry
Nov 5, 2020
(Electronic) Receipt
Nov 5, 2020
Request for entry into the European phase
Oct 15, 2020
Notification of the recording of a change
Oct 15, 2020
Notification of the recording of a change
Sep 18, 2020
Information on entry into European phase
Dec 3, 2019
Priority document (electronically transmitted)
Nov 14, 2019
Copy of the international search report
Nov 14, 2019
Published international application - A1
Aug 7, 2019
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Jul 1, 2019
Copy of the international preliminary report on patentability
May 15, 2019
Notification of the international application number and of the international filing date
May 8, 2019
(Electronic) Receipt
May 8, 2019
Abstract
May 8, 2019
Claims
May 8, 2019
Description
May 8, 2019
Document concerning fees and payments
May 8, 2019
Electronic request for grant of an International application
May 8, 2019
Incoming communication concerning PCT Direct
May 8, 2019
Priority document (RO-procedure)

EP3773456

UNILEVER

Application Number: EP19721327A
Filing Date: May 8, 2019
Status: Granted And Under Opposition; Jul 26, 2024
Publication Date: Aug 28, 2024
External Links: Slate, Register , Google Patents

IP Verse

Cleansing Composition

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP3773456