Laundry Composition

Patent No. EP4277973 (titled "Laundry Composition") was filed by Unilever on Jan 11, 2022. The application was issued on Oct 16, 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
CRODA	Jul 2, 2025	CRAVEN

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 20, 2026
Communication of amended entries concerning the representative
Feb 6, 2026
Letter accompanying subsequently filed items
Feb 6, 2026
Submission concerning change of applicant's representative
Dec 2, 2025
Brief communication - Opposition proceedings
Nov 27, 2025
(Electronic) Receipt
Nov 27, 2025
Letter accompanying subsequently filed items
Nov 27, 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
Jul 28, 2025
Communication of a notice of opposition and request to file observations
Jul 28, 2025
Notice of further oppositions to opponent(s)
Jul 8, 2025
Communication of a notice of opposition - first information to patent proprietor
Jul 2, 2025
(Electronic) Receipt
Jul 2, 2025
Citation in opposition procedure - 001
Jul 2, 2025
Citation in opposition procedure - 002
Jul 2, 2025
Citation in opposition procedure - 003
Jul 2, 2025
Citation in opposition procedure - 004
Jul 2, 2025
Citation in opposition procedure - 005
Jul 2, 2025
Citation in opposition procedure - 006
Jul 2, 2025
Citation in opposition procedure - 007
Jul 2, 2025
Citation in opposition procedure - 008
Jul 2, 2025
Citation in opposition procedure - 009
Jul 2, 2025
Citation in opposition procedure - 010
Jul 2, 2025
Consolidated list of cited opposition documents
Jul 2, 2025
Letter accompanying subsequently filed items
Jul 2, 2025
Notice of opposition
Jul 2, 2025
Notice of opposition
Oct 29, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 22, 2024
Communication of amended entries concerning the representative
Oct 15, 2024
Letter accompanying subsequently filed items
Oct 15, 2024
Submission concerning change of applicant's representative
Sep 19, 2024
Decision to grant a European patent
Sep 11, 2024
(Electronic) Receipt
Sep 11, 2024
French translation of claims
Sep 11, 2024
German translation of the claims
Sep 11, 2024
Letter accompanying subsequently filed items
Jun 25, 2024
Annex to the communication about intention to grant a European patent
Jun 25, 2024
Bibliographic data of the European patent application
Jun 25, 2024
Communication about intention to grant a European patent
Jun 25, 2024
Intention to grant (signatures)
Jun 25, 2024
Text intended for grant (clean copy)
Jun 25, 2024
Text intended for grant (version for approval)
Mar 25, 2024
(Electronic) Receipt
Mar 25, 2024
Amended claims with annotations
Mar 25, 2024
Amended description with annotations
Mar 25, 2024
Claims
Mar 25, 2024
Description
Mar 25, 2024
Letter accompanying subsequently filed items
Mar 25, 2024
Reply to communication from the Examining Division
Feb 19, 2024
Annex to the communication
Feb 19, 2024
Consultation by telephone/in person (with time limit)
Feb 19, 2024
Result of consultation by telephone/in person
Jan 29, 2024
(Electronic) Receipt
Jan 29, 2024
Amended claims with annotations
Jan 29, 2024
Amended description with annotations
Jan 29, 2024
Claims
Jan 29, 2024
Description
Jan 29, 2024
Letter accompanying subsequently filed items
Jan 29, 2024
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Jan 18, 2024
Annex to the communication about intention to grant a European patent
Jan 18, 2024
Bibliographic data of the European patent application
Jan 18, 2024
Communication about intention to grant a European patent
Jan 18, 2024
Intention to grant (signatures)
Jan 18, 2024
Text intended for grant (clean copy)
Jan 18, 2024
Text intended for grant (version for approval)
Nov 28, 2023
Examination started
Oct 25, 2023
Notification on forthcoming publication of bibliographic data
Aug 15, 2023
Priority search results copy provided by EPO
Jul 17, 2023
Annexes to the international preliminary examination report
Jul 17, 2023
Copy of the international preliminary examination report
Jul 4, 2023
(Electronic) Receipt
Jul 4, 2023
Request for entry into the European phase
May 26, 2023
Information on entry into European phase
May 16, 2023
Annex to International preliminary examination report
May 16, 2023
International preliminary examination report
May 16, 2023
International preliminary examination report - free text sheet
May 16, 2023
International preliminary examination report - points I-VIII
May 16, 2023
Transmittal of International Preliminary Examination Report
Mar 7, 2023
(Electronic) Receipt
Mar 7, 2023
Letter regarding PCTII procedure
Mar 7, 2023
PCT(IPEA): Amended sheet - claims
Mar 7, 2023
PCT(IPEA): Amended sheet - claims
Mar 7, 2023
Reply to communication PCT/IPEA/408
Jan 9, 2023
Written opinion
Jan 9, 2023
Written opinion - free text sheet
Jan 9, 2023
Written opinion - points I-VIII
Dec 8, 2022
Notification of election of EPO
Nov 21, 2022
Notification of receipt of demand
Nov 11, 2022
(Electronic) Receipt
Nov 11, 2022
Letter regarding PCTII procedure
Nov 11, 2022
PCT demand form
Nov 11, 2022
PCT(IPEA): Amended sheet - claims
Nov 11, 2022
PCT(IPEA): Amended sheet - claims
Nov 11, 2022
Payment of fees and costs
Nov 11, 2022
Reply to International Search Opinion
Aug 8, 2022
Priority document (electronically transmitted)
Jul 28, 2022
Notification of the recording of a change
Jul 28, 2022
Notification of the recording of a change
Jul 28, 2022
Notification of the recording of a change
Jul 21, 2022
Copy of the international search report
Jul 21, 2022
Published international application - A1
Jun 10, 2022
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
May 10, 2022
Notification of refund of search fee
Apr 11, 2022
ISR: cited documents
Apr 11, 2022
Written opinion of the ISA, boxes No. I to VIII
Apr 11, 2022
Written opinion of the ISA, cover sheet
Apr 11, 2022
Written opinion of the ISA, supplemental box
Feb 8, 2022
Notification of receipt of Search copy
Feb 8, 2022
Notification of the international application number and of the international filing date
Feb 4, 2022
Request form for international application (copy for ISA/EP)
Jan 11, 2022
(Electronic) Receipt
Jan 11, 2022
Abstract
Jan 11, 2022
Claims
Jan 11, 2022
Description
Jan 11, 2022
Document concerning fees and payments
Jan 11, 2022
Electronic request for grant of an International application
Jan 11, 2022
Incoming communication concerning PCT Direct

EP4277973

UNILEVER

Application Number: EP22700919A
Filing Date: Jan 11, 2022
Status: Granted And Under Opposition; Sep 13, 2024
Publication Date: Oct 16, 2024
External Links: Slate, Register , Google Patents

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EP4277973