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The patent EP3284458 was granted to Reckitt Benckiser on Jun 16, 2021. The application was filed on Feb 27, 2006 under application number EP17185774A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Opposition Status |
|---|---|---|---|
| ZBM PATENTS | Mar 16, 2022 | ZBM PATENTS ZEA | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO1996EP05208 |
| DESCRIPTION | EP0862424 |
| DESCRIPTION | WO9852539 |
| OPPOSITION | GB1084864 |
| OPPOSITION | US2003219477 |
| OPPOSITION | US2007190153 |
| OPPOSITION | US5302394 |
| OPPOSITION | WO8802625 |
| OPPOSITION | WO9718802 |
| OPPOSITION | WO9852539 |
| OPPOSITION | WO9852540 |
| OTHER | GB1084864 |
| OTHER | WO8802625 |
| OTHER | WO9718802 |
| OTHER | WO9852540 |
| SEARCH | GB1084864 |
| SEARCH | US2002071857 |
| SEARCH | WO9718802 |
| SEARCH | WO9852540 |
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
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Oct 27, 2025
Oct 24, 2025
(Electronic) Receipt
Appeal
Oct 24, 2025
Oct 24, 2025
Oct 14, 2025
Oct 9, 2025
(Electronic) Receipt
Appeal
Oct 9, 2025
Oct 9, 2025
Sep 5, 2025
Sep 5, 2025
Oct 22, 2024
Oct 22, 2024
Oct 22, 2024
Oct 17, 2024
(Electronic) Receipt
Appeal
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Reply to appeal
Appeal
Jun 17, 2024
Jun 12, 2024
(Electronic) Receipt
Appeal
Jun 12, 2024
Jun 12, 2024
Apr 17, 2024
Apr 17, 2024
Apr 12, 2024
(Electronic) Receipt
Appeal
Apr 12, 2024
Apr 12, 2024
Notice of appeal
Appeal
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
Means of redress
OPPO
Feb 12, 2024
Feb 12, 2024
Feb 12, 2024
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Oct 12, 2022
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Mar 28, 2022
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Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Jun 29, 2021
May 20, 2021
Decision to grant a European patent
Search/Exam
May 10, 2021
(Electronic) Receipt
Search/Exam
May 10, 2021
French translation of claims
Search/Exam
May 10, 2021
German translation of the claims
Search/Exam
May 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2021
Feb 15, 2021
Feb 15, 2021
Feb 9, 2021
(Electronic) Receipt
Search/Exam
Feb 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 9, 2021
Non-patent literature filed by a third party
Search/Exam
Feb 9, 2021
Observations by third parties
Search/Exam
Feb 9, 2021
Patent document filed by a Third party
Search/Exam
Jan 12, 2021
Jan 12, 2021
Jan 12, 2021
Intention to grant (signatures)
Search/Exam
Jan 12, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 12, 2021
Nov 11, 2020
Examination started
Search/Exam
Jan 3, 2019
Decision to allow further processing
Search/Exam
Dec 4, 2018
(Electronic) Receipt
Search/Exam
Dec 4, 2018
Dec 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2018
Request for further processing
Search/Exam
Sep 27, 2018
Feb 26, 2018
Jan 24, 2018
Notification of forthcoming publication
Search/Exam
Nov 29, 2017
Refund of fees
Search/Exam
Nov 14, 2017
Nov 14, 2017
European search opinion
Search/Exam
Nov 14, 2017
European search report
Search/Exam
Nov 14, 2017
Information on Search Strategy
Search/Exam
Oct 31, 2017
Search started
Search/Exam
Oct 18, 2017
Refund of fees
Search/Exam
Oct 4, 2017
Communication to designated inventor
Search/Exam
Oct 4, 2017
Communication to designated inventor
Search/Exam
Oct 4, 2017
Communication to designated inventor
Search/Exam
Oct 4, 2017
Communication to designated inventor
Search/Exam
Aug 10, 2017
Abstract
Search/Exam
Aug 10, 2017
Aug 10, 2017
Claims
Search/Exam
Aug 10, 2017
Description
Search/Exam
Aug 10, 2017
Designation of inventor
Search/Exam
Aug 10, 2017
Request for grant of a European patent
Search/Exam
Sep 27, 2006