Method For Metering Cleaning Agents

Patent No. EP3558081 (titled "Method For Metering Cleaning Agents") was filed by Henkel on Dec 7, 2017. The application was issued on Feb 7, 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
THE PROCTER & GAMBLE	Nov 7, 2024	GILL JENNINGS & EVERY

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 2, 2026
Brief communication - Opposition proceedings
Mar 2, 2026
Brief communication - Opposition proceedings
Feb 20, 2026
(Electronic) Receipt
Feb 20, 2026
(Electronic) Receipt
Feb 20, 2026
Auxiliary request during Opposition procedure
Feb 20, 2026
Auxiliary request during Opposition procedure
Feb 20, 2026
Auxiliary request during Opposition procedure
Feb 20, 2026
Auxiliary request during Opposition procedure
Feb 20, 2026
Auxiliary request during Opposition procedure
Feb 20, 2026
Auxiliary request during Opposition procedure
Feb 20, 2026
Auxiliary request during Opposition procedure
Feb 20, 2026
Auxiliary request during Opposition procedure
Feb 20, 2026
Auxiliary request during Opposition procedure - 01
Feb 20, 2026
Auxiliary request during Opposition procedure - 02
Feb 20, 2026
Auxiliary request during Opposition procedure - 03
Feb 20, 2026
Auxiliary request during Opposition procedure - 04
Feb 20, 2026
Auxiliary request during Opposition procedure - 05
Feb 20, 2026
Auxiliary request during Opposition procedure - 06
Feb 20, 2026
Auxiliary request during Opposition procedure - 07
Feb 20, 2026
Auxiliary request during Opposition procedure - 08
Feb 20, 2026
Letter accompanying subsequently filed items
Feb 20, 2026
Letter accompanying subsequently filed items
Feb 20, 2026
Written submission in preparation to/during oral proceedings
Feb 20, 2026
Written submission in preparation to/during oral proceedings
Dec 19, 2025
Brief communication - Opposition proceedings
Dec 10, 2025
(Electronic) Receipt
Dec 10, 2025
Letter accompanying subsequently filed items
Dec 10, 2025
Written submission in preparation to/during oral proceedings
Dec 10, 2025
Written submission in preparation to/during oral proceedings
Nov 25, 2025
Brief communication - Opposition proceedings
Nov 18, 2025
(Electronic) Receipt
Nov 18, 2025
Request for interpreters during oral proceedings
Nov 3, 2025
Brief communication - Opposition proceedings
Oct 21, 2025
(Electronic) Receipt
Oct 21, 2025
Written submission in preparation to/during oral proceedings
Oct 13, 2025
Annex to the communication - opposition
Oct 13, 2025
Information concerning oral proceedings
Oct 13, 2025
Scanned annex to a communication - opposition procedure
Oct 13, 2025
Summons to attend oral proceedings
Oct 13, 2025
Summons to attend oral proceedings
Mar 26, 2025
Brief communication - Opposition proceedings
Mar 19, 2025
(Electronic) Receipt
Mar 19, 2025
Auxiliary request during Opposition procedure
Mar 19, 2025
Auxiliary request during Opposition procedure
Mar 19, 2025
Auxiliary request during Opposition procedure
Mar 19, 2025
Auxiliary request during Opposition procedure
Mar 19, 2025
Auxiliary request during Opposition procedure
Mar 19, 2025
Auxiliary request during Opposition procedure
Mar 19, 2025
Auxiliary request during Opposition procedure
Mar 19, 2025
Auxiliary request during Opposition procedure - 01
Mar 19, 2025
Auxiliary request during Opposition procedure - 02
Mar 19, 2025
Auxiliary request during Opposition procedure - 03
Mar 19, 2025
Auxiliary request during Opposition procedure - 04
Mar 19, 2025
Auxiliary request during Opposition procedure - 05
Mar 19, 2025
Auxiliary request during Opposition procedure - 06
Mar 19, 2025
Auxiliary request during Opposition procedure - 07
Mar 19, 2025
Letter accompanying subsequently filed items
Mar 19, 2025
Reply of the patent proprietor to the notice(s) of opposition
Dec 12, 2024
Brief communication - Opposition proceedings
Dec 11, 2024
Communication of amended entries concerning the representative
Dec 4, 2024
(Electronic) Receipt
Dec 4, 2024
Letter accompanying subsequently filed items
Dec 4, 2024
Submission concerning change of proprietor's representative
Nov 19, 2024
Communication of a notice of opposition and request to file observations
Nov 19, 2024
Notice of further oppositions to opponent(s)
Nov 14, 2024
Communication of a notice of opposition - first information to patent proprietor
Nov 7, 2024
(Electronic) Receipt
Nov 7, 2024
Citation in opposition procedure - 001
Nov 7, 2024
Citation in opposition procedure - 002
Nov 7, 2024
Citation in opposition procedure - 003
Nov 7, 2024
Citation in opposition procedure - 004
Nov 7, 2024
Citation in opposition procedure - 005
Nov 7, 2024
Citation in opposition procedure - 006
Nov 7, 2024
Consolidated list of cited opposition documents
Nov 7, 2024
Notice of opposition
Nov 7, 2024
Notice of opposition
Feb 20, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 11, 2024
Decision to grant a European patent
Dec 18, 2023
(Electronic) Receipt
Dec 18, 2023
English translation of the claims
Dec 18, 2023
French translation of claims
Dec 18, 2023
Letter accompanying subsequently filed items
Sep 25, 2023
Annex to the communication about intention to grant a European patent
Sep 25, 2023
Bibliographic data of the European patent application
Sep 25, 2023
Communication about intention to grant a European patent
Sep 25, 2023
Intention to grant (signatures)
Sep 25, 2023
Text intended for grant (clean copy)
Sep 25, 2023
Text intended for grant (version for approval)
Jun 26, 2023
(Electronic) Receipt
Jun 26, 2023
Amended claims with annotations
Jun 26, 2023
Amended description with annotations
Jun 26, 2023
Claims
Jun 26, 2023
Description
Jun 26, 2023
Letter accompanying subsequently filed items
Jun 26, 2023
Reply to communication from the Examining Division
Apr 24, 2023
Grant of extension of time limit (examination procedure)
Apr 19, 2023
(Electronic) Receipt
Apr 19, 2023
Letter accompanying subsequently filed items
Apr 19, 2023
Request for extension of time limit to communication from the Examining Division
Dec 14, 2022
Annex to the communication
Dec 14, 2022
Communication from the Examining Division
Dec 8, 2022
Examination started
Mar 19, 2021
Letter accompanying subsequently filed items
Mar 19, 2021
Submission concerning change of applicant's representative
Mar 26, 2020
(Electronic) Receipt
Mar 26, 2020
Letter accompanying subsequently filed items
Mar 26, 2020
Priority search results
Mar 26, 2020
Reply to invitation to file a copy of priority search results
Mar 20, 2020
Invitation to file a copy of search results(priority)
Oct 2, 2019
Notification on forthcoming publication of bibliographic data
Aug 2, 2019
Communication regarding comments on written opinion/amendment of application/payment of claims fee
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 26, 2019
Communication to designated inventor
Jul 9, 2019
Copy of the international preliminary report on patentability
Jul 2, 2019
Information regarding early processing
Jun 5, 2019
(Electronic) Receipt
Jun 5, 2019
Amended claims filed after receipt of (European) search report
Jun 5, 2019
Amended claims with annotations
Jun 5, 2019
Request for entry into the European phase
May 6, 2019
Information on entry into European phase
Jul 18, 2018
Priority document (electronically transmitted)
Jun 28, 2018
Copy of the international search report
Jun 28, 2018
Copy of the international search report
Jun 28, 2018
Published international application - A1
Mar 27, 2018
Written opinion of the ISA, boxes No. I to VIII
Mar 27, 2018
Written opinion of the ISA, cover sheet
Mar 27, 2018
Written opinion of the ISA, supplemental box
Dec 21, 2017
Notification of the international application number and of the international filing date
Dec 14, 2017
Incoming letter related to PCT RO
Dec 7, 2017
(Electronic) Receipt
Dec 7, 2017
Abstract
Dec 7, 2017
Claims
Dec 7, 2017
Description
Dec 7, 2017
Document concerning fees and payments
Dec 7, 2017
Drawings
Dec 7, 2017
Electronic request for grant of an International application
Dec 7, 2017
Incoming letter related to PCT RO

EP3558081

HENKEL

Application Number: EP17811938A
Filing Date: Dec 7, 2017
Status: Granted And Under Opposition; Jan 5, 2024
Publication Date: Feb 7, 2024
External Links: Slate, Register , Google Patents

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Method For Metering Cleaning Agents

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Dossier Documents

EP3558081