Composition

Patent No. EP4256010 (titled "Composition") was filed by Unilever on Nov 26, 2021. The application was issued on Jul 17, 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
HENKEL	Apr 14, 2025	-
DALLI WERKE	Mar 26, 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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Dec 16, 2025
Annex to the communication - opposition
Dec 16, 2025
Information concerning oral proceedings
Dec 16, 2025
Scanned annex to a communication - opposition procedure
Dec 16, 2025
Summons to attend oral proceedings
Dec 16, 2025
Summons to attend oral proceedings
Dec 16, 2025
Summons to attend oral proceedings
Sep 10, 2025
Brief communication - Opposition proceedings
Sep 10, 2025
Brief communication - Opposition proceedings
Sep 4, 2025
(Electronic) Receipt
Sep 4, 2025
Auxiliary request during Opposition procedure
Sep 4, 2025
Auxiliary request during Opposition procedure
Sep 4, 2025
Auxiliary request during Opposition procedure
Sep 4, 2025
Auxiliary request during Opposition procedure
Sep 4, 2025
Auxiliary request during Opposition procedure
Sep 4, 2025
Auxiliary request during Opposition procedure
Sep 4, 2025
Auxiliary request during Opposition procedure
Sep 4, 2025
Auxiliary request during Opposition procedure - 01
Sep 4, 2025
Auxiliary request during Opposition procedure - 02
Sep 4, 2025
Auxiliary request during Opposition procedure - 03
Sep 4, 2025
Auxiliary request during Opposition procedure - 04
Sep 4, 2025
Auxiliary request during Opposition procedure - 05
Sep 4, 2025
Auxiliary request during Opposition procedure - 06
Sep 4, 2025
Auxiliary request during Opposition procedure - 07
Sep 4, 2025
Letter accompanying subsequently filed items
Sep 4, 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
May 8, 2025
Communication of a notice of opposition and request to file observations
May 8, 2025
Notice of further oppositions to opponent(s)
May 8, 2025
Notice of further oppositions to opponent(s)
Apr 17, 2025
Communication of a notice of opposition - first information to patent proprietor
Apr 14, 2025
(Electronic) Receipt
Apr 14, 2025
Citation in opposition procedure - 013
Apr 14, 2025
Citation in opposition procedure - 014
Apr 14, 2025
Citation in opposition procedure - 015
Apr 14, 2025
Citation in opposition procedure - 016
Apr 14, 2025
Citation in opposition procedure - 017
Apr 14, 2025
Citation in opposition procedure - 018
Apr 14, 2025
Citation in opposition procedure - 019
Apr 14, 2025
Citation in opposition procedure - 020
Apr 14, 2025
Citation in opposition procedure - 021
Apr 14, 2025
Citation in opposition procedure - 022
Apr 14, 2025
Citation in opposition procedure - 023
Apr 14, 2025
Notice of opposition
Apr 14, 2025
Notice of opposition
Mar 31, 2025
Communication of a notice of opposition - first information to patent proprietor
Mar 26, 2025
(Electronic) Receipt
Mar 26, 2025
Citation in opposition procedure - 001
Mar 26, 2025
Citation in opposition procedure - 002
Mar 26, 2025
Citation in opposition procedure - 003
Mar 26, 2025
Citation in opposition procedure - 004
Mar 26, 2025
Citation in opposition procedure - 005
Mar 26, 2025
Citation in opposition procedure - 006
Mar 26, 2025
Citation in opposition procedure - 007
Mar 26, 2025
Citation in opposition procedure - 008
Mar 26, 2025
Citation in opposition procedure - 009
Mar 26, 2025
Citation in opposition procedure - 010
Mar 26, 2025
Citation in opposition procedure - 011
Mar 26, 2025
Citation in opposition procedure - 012
Mar 26, 2025
Letter accompanying subsequently filed items
Mar 26, 2025
Notice of opposition
Mar 26, 2025
Notice of opposition
Jul 30, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jun 20, 2024
Decision to grant a European patent
Jun 10, 2024
(Electronic) Receipt
Jun 10, 2024
Filing of the translations of the claims
Jun 10, 2024
French translation of claims
Jun 10, 2024
German translation of the claims
Feb 12, 2024
Annex to the communication about intention to grant a European patent
Feb 12, 2024
Bibliographic data of the European patent application
Feb 12, 2024
Communication about intention to grant a European patent
Feb 12, 2024
Intention to grant (signatures)
Feb 12, 2024
Text intended for grant (clean copy)
Feb 12, 2024
Text intended for grant (version for approval)
Jan 15, 2024
Examination started
Sep 13, 2023
Notification on forthcoming publication of bibliographic data
Jul 7, 2023
Priority search results copy provided by EPO
Jun 15, 2023
Note on telephone consultation
Jun 12, 2023
Annexes to the international preliminary examination report
Jun 12, 2023
Copy of the international preliminary examination report
May 23, 2023
(Electronic) Receipt
May 23, 2023
Request for entry into the European phase
Apr 21, 2023
Information on entry into European phase
Feb 7, 2023
Annex to International preliminary examination report
Feb 7, 2023
International preliminary examination report
Feb 7, 2023
International preliminary examination report - free text sheet
Feb 7, 2023
International preliminary examination report - points I-VIII
Feb 7, 2023
Transmittal of International Preliminary Examination Report
Oct 25, 2022
Invitation to pay prescribed fees together with late payment fee (Rule 58bis PCT)
Jul 5, 2022
Priority document (electronically transmitted)
Jun 16, 2022
Copy of the international preliminary report on patentability
Jun 16, 2022
Copy of the international search report
Jun 16, 2022
Notification of election of EPO
Jun 16, 2022
Published international application - A1
Apr 14, 2022
Amendments of documents (Article 19 PCT) (without attachments)
Apr 7, 2022
Notification of receipt of demand
Apr 1, 2022
(Electronic) Receipt
Apr 1, 2022
Letter regarding PCTII procedure
Apr 1, 2022
PCT demand form
Apr 1, 2022
PCT(IPEA): Amended sheet - claims
Apr 1, 2022
PCT(IPEA): Amended sheet - claims
Apr 1, 2022
Payment of fees and costs
Apr 1, 2022
Reply to International Search Opinion
Mar 15, 2022
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Mar 15, 2022
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Feb 24, 2022
ISR: cited documents
Feb 24, 2022
Written opinion of the ISA, boxes No. I to VIII
Feb 24, 2022
Written opinion of the ISA, cover sheet
Feb 24, 2022
Written opinion of the ISA, supplemental box
Feb 22, 2022
Notification of refund of search fee
Dec 7, 2021
Notification of receipt of Search copy
Dec 7, 2021
Notification of the international application number and of the international filing date
Dec 3, 2021
Request form for international application (copy for ISA/EP)
Nov 26, 2021
(Electronic) Receipt
Nov 26, 2021
Abstract
Nov 26, 2021
Claims
Nov 26, 2021
Description
Nov 26, 2021
Document concerning fees and payments
Nov 26, 2021
Electronic request for grant of an International application
Nov 26, 2021
Incoming communication concerning PCT Direct

EP4256010

UNILEVER

Application Number: EP21811400A
Filing Date: Nov 26, 2021
Status: Granted And Under Opposition; Jun 14, 2024
Publication Date: Jul 17, 2024
External Links: Slate, Register , Google Patents

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Composition

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Patent Oppositions (2)

Dossier Documents

EP4256010