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The patent EP3313364 was granted to KAO Germany on Oct 23, 2019. The application was filed on Jun 24, 2015 under application number EP15731061A. 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 |
|---|---|---|---|
| THE PROCTER & GAMBLE | Jul 23, 2020 | ARCH | ADMISSIBLE |
| HENKEL | Jul 17, 2020 | - | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102013225898 |
| INTERNATIONAL-SEARCH-REPORT | EP2011478 |
| INTERNATIONAL-SEARCH-REPORT | EP2191864 |
| INTERNATIONAL-SEARCH-REPORT | WO2009102758 |
| INTERNATIONAL-SEARCH-REPORT | WO2013087316 |
| OPPOSITION | EP0507310 |
| OPPOSITION | EP1779838 |
| OPPOSITION | EP3275424 |
| OPPOSITION | FR2938190 |
| OPPOSITION | US2006182702 |
| OPPOSITION | US2007134186 |
| OPPOSITION | US2012040901 |
| OPPOSITION | US5580494 |
| OPPOSITION | US8114392 |
| OPPOSITION | WO02078655 |
| OPPOSITION | WO2011074140 |
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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Oct 10, 2025
Oct 7, 2025
Oct 6, 2025
(Electronic) Receipt
Appeal
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
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Aug 7, 2025
Aug 7, 2025
Jul 31, 2025
(Electronic) Receipt
Appeal
Jul 31, 2025
Jul 31, 2025
Notice of appeal
Appeal
Jun 5, 2025
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Means of redress
OPPO
Jun 5, 2025
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(Electronic) Receipt
Appeal
Feb 5, 2024
Feb 5, 2024
Dec 15, 2023
Dec 13, 2023
(Electronic) Receipt
Appeal
Dec 13, 2023
Dec 13, 2023
Nov 23, 2023
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Sep 20, 2023
(Electronic) Receipt
Appeal
Sep 20, 2023
Sep 20, 2023
Sep 19, 2023
Sep 14, 2023
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May 10, 2023
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(Electronic) Receipt
Appeal
May 3, 2023
May 3, 2023
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Apr 26, 2023
Oct 6, 2022
Sep 29, 2022
(Electronic) Receipt
Appeal
Sep 29, 2022
Sep 29, 2022
Sep 29, 2022
Sep 29, 2022
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Sep 29, 2022
Reply to appeal
Appeal
May 19, 2022
May 13, 2022
(Electronic) Receipt
Appeal
May 13, 2022
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Feb 28, 2022
(Electronic) Receipt
Appeal
Feb 28, 2022
Feb 28, 2022
Notice of appeal
Appeal
Jan 7, 2022
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Means of redress
OPPO
Jan 3, 2022
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Payment submission rejected
Search/Exam
Apr 7, 2021
Mar 31, 2021
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Jul 17, 2020
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Nov 4, 2019
Sep 26, 2019
Decision to grant a European patent
Search/Exam
Sep 6, 2019
(Electronic) Receipt
Search/Exam
Sep 6, 2019
Filing of the translations of the claims
Search/Exam
Sep 6, 2019
French translation of claims
Search/Exam
Sep 6, 2019
German translation of the claims
Search/Exam
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Intention to grant (signatures)
Search/Exam
Jun 19, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 19, 2019
Mar 12, 2019
(Electronic) Receipt
Search/Exam
Mar 12, 2019
Amended claims with annotations
Search/Exam
Mar 12, 2019
Claims
Search/Exam
Mar 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2019
Nov 15, 2018
Annex to the communication
Search/Exam
Nov 15, 2018
Communication from the Examining Division
Search/Exam
Nov 8, 2018
Examination started
Search/Exam
Aug 14, 2018
Amendments received before examination
Search/Exam
Aug 13, 2018
Aug 13, 2018
Amendments received before examination
Search/Exam
Aug 9, 2018
Amendments received before examination
Search/Exam
Aug 8, 2018
Aug 8, 2018
Amendments received before examination
Search/Exam
Aug 3, 2018
Apr 5, 2018
Jan 31, 2018
Jan 29, 2018
Communication to designated inventor
Search/Exam
Jan 29, 2018
Communication to designated inventor
Search/Exam
Jan 8, 2018
Dec 18, 2017
(Electronic) Receipt
Search/Exam
Dec 18, 2017
Request for entry into the European phase
Search/Exam
Nov 6, 2017
Information on entry into European phase
Search/Exam
Dec 29, 2016
Copy of the international search report
Search/Exam
Dec 29, 2016
Published international application - A1
Search/Exam
Dec 23, 2015
ISR: cited documents
PCTISA
Dec 22, 2015
Dec 22, 2015
Dec 22, 2015
Jun 24, 2015
(Electronic) Receipt
PCTRO
Jun 24, 2015
Abstract
PCTRO
Jun 24, 2015
Claims
PCTRO
Jun 24, 2015
Description
PCTRO