Multiphase Cleaning Agent Pouch

Patent No. EP3599274 (titled "Multiphase Cleaning Agent Pouch") was filed by Henkel on Jul 16, 2019. The application was issued on Oct 8, 2025.

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
RECKITT BENCKISER CORPORATE SERVICES	Jul 7, 2026	BOVILL

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 20, 2026
Communication of a notice of opposition and request to file observations
Jul 20, 2026
Notice of further oppositions to opponent(s)
Jul 13, 2026
Communication of a notice of opposition - first information to patent proprietor
Jul 7, 2026
(Electronic) Receipt
Jul 7, 2026
Citation in opposition procedure - 001
Jul 7, 2026
Citation in opposition procedure - 002
Jul 7, 2026
Citation in opposition procedure - 003
Jul 7, 2026
Citation in opposition procedure - 004
Jul 7, 2026
Citation in opposition procedure - 004
Jul 7, 2026
Citation in opposition procedure - 005
Jul 7, 2026
Consolidated list of cited opposition documents
Jul 7, 2026
General authorisation
Jul 7, 2026
Notice of opposition
Jul 7, 2026
Notice of opposition
Oct 21, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 11, 2025
Decision to grant a European patent
Sep 1, 2025
(Electronic) Receipt
Sep 1, 2025
English translation of the claims
Sep 1, 2025
Filing of the translations of the claims
Sep 1, 2025
French translation of claims
Jul 8, 2025
Bibliographic data of the European patent application
Jul 8, 2025
Communication about intention to grant a European patent
Jul 8, 2025
Intention to grant (signatures)
Jul 8, 2025
Text intended for grant (clean copy)
Jul 8, 2025
Text intended for grant (version for approval)
Jun 18, 2025
(Electronic) Receipt
Jun 18, 2025
Description
Jun 18, 2025
Letter accompanying subsequently filed items
Jun 18, 2025
Request for correction/amendment of the text proposed for grant sent from 01.04.2012
Feb 21, 2025
Annex to the communication about intention to grant a European patent
Feb 21, 2025
Bibliographic data of the European patent application
Feb 21, 2025
Communication about intention to grant a European patent
Feb 21, 2025
Intention to grant (signatures)
Feb 21, 2025
Text intended for grant (clean copy)
Feb 21, 2025
Text intended for grant (version for approval)
Mar 27, 2024
(Electronic) Receipt
Mar 27, 2024
Amended claims with annotations
Mar 27, 2024
Claims
Mar 27, 2024
Letter accompanying subsequently filed items
Mar 27, 2024
Reply to communication from the Examining Division
Jan 9, 2024
Grant of extension of time limit (examination procedure)
Jan 4, 2024
(Electronic) Receipt
Jan 4, 2024
Letter accompanying subsequently filed items
Jan 4, 2024
Request for extension of time limit to communication from the Examining Division
Oct 9, 2023
Annex to a communication
Oct 9, 2023
Annex to the communication
Oct 9, 2023
Communication from the Examining Division
Oct 2, 2023
Examination started
Mar 19, 2021
Letter accompanying subsequently filed items
Mar 19, 2021
Submission concerning change of applicant's representative
Jan 20, 2021
Decision to allow further processing
Jan 6, 2021
(Electronic) Receipt
Jan 6, 2021
Letter accompanying subsequently filed items
Jan 6, 2021
Request for a decision
Nov 30, 2020
Communication for party to proceedings/third party
Nov 19, 2020
(Electronic) Receipt
Nov 19, 2020
Letter accompanying subsequently filed items
Nov 19, 2020
Request for a decision
Nov 19, 2020
Statement of non-availability of priority search results
Oct 30, 2020
Application deemed to be withdrawn(copy of search results missing)
Jul 30, 2020
Invitation to file a copy of search results(priority)
Jul 17, 2020
(Electronic) Receipt
Jul 17, 2020
Amended claims filed after receipt of (European) search report
Jul 17, 2020
Amended claims with annotations
Jul 17, 2020
Amendments received before examination
Jul 17, 2020
Letter accompanying subsequently filed items
Feb 3, 2020
Invitation to confirm maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 7, 2020
Notification of forthcoming publication
Sep 13, 2019
Communication regarding the transmission of the European search report
Sep 13, 2019
European search opinion
Sep 13, 2019
European search report
Sep 13, 2019
Information on Search Strategy
Sep 6, 2019
Communication to designated inventor
Sep 6, 2019
Communication to designated inventor
Sep 6, 2019
Communication to designated inventor
Sep 6, 2019
Communication to designated inventor
Sep 3, 2019
Search started
Jul 19, 2019
Letter concerning the priority
Jul 19, 2019
Priority document
Jul 16, 2019
Abstract
Jul 16, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jul 16, 2019
Claims
Jul 16, 2019
Description
Jul 16, 2019
Designation of inventor
Jul 16, 2019
Request for grant of a European patent

EP3599274

HENKEL

Application Number: EP19186476A
Filing Date: Jul 16, 2019
Status: Granted And Under Opposition; Sep 5, 2025
Publication Date: Oct 8, 2025
External Links: Slate, Register , Google Patents

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Multiphase Cleaning Agent Pouch

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Dossier Documents

EP3599274