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The patent EP4011344 was granted to Ontex on Sep 11, 2024. The application was filed on Jan 27, 2021 under application number EP21153723A. 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 |
|---|---|---|---|
| SCHOPF | Jun 11, 2025 | SAMSON & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
| VENNER SHIPLEY | Jun 11, 2025 | PRIVETT | ADMISSIBLE |
| KIMBERLY CLARK WORLDWIDE | Jun 10, 2025 | DEHNS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP3190216 |
| DESCRIPTION | EP3342386 |
| DESCRIPTION | US3485706 |
| DESCRIPTION | WO2019158226 |
| OPPOSITION | EP2949299 |
| OPPOSITION | EP4011344 |
| OPPOSITION | US2005182194 |
| OPPOSITION | US2015342796 |
| OPPOSITION | US2018256416 |
| OPPOSITION | US5266394 |
| OPPOSITION | US5733629 |
| OPPOSITION | US6218457 |
| OPPOSITION | WO2008042645 |
| OPPOSITION | WO2014200794 |
| OPPOSITION | WO2015095004 |
| OPPOSITION | WO2017087158 |
| OPPOSITION | WO2019158226 |
| OPPOSITION | WO2020047031 |
| OPPOSITION | WO2021185483 |
| OPPOSITION | WO2021249824 |
| OPPOSITION | WO9623042 |
| OPPOSITION | WO9739780 |
| SEARCH | EP2949299 |
| SEARCH | EP3473222 |
| SEARCH | US2018256416 |
| SEARCH | US2020375811 |
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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(Electronic) Receipt
Search/Exam
Jan 20, 2025
Sep 24, 2024
Aug 16, 2024
Decision to grant a European patent
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Jul 31, 2024
(Electronic) Receipt
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Jul 31, 2024
Filing of the translations of the claims
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Jul 31, 2024
French translation of claims
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Jul 31, 2024
German translation of the claims
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Jun 19, 2024
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Intention to grant (signatures)
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Jun 19, 2024
Text intended for grant (clean copy)
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Jun 19, 2024
Oct 6, 2023
(Electronic) Receipt
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Oct 6, 2023
Amended description with annotations
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Oct 6, 2023
Description
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Oct 6, 2023
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Jul 28, 2023
Letter accompanying subsequently filed items
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Jul 28, 2023
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Annex to the communication
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Mar 28, 2023
Communication from the Examining Division
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Mar 23, 2023
Examination started
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Dec 15, 2022
(Electronic) Receipt
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Dec 15, 2022
Amendments received before examination
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Dec 15, 2022
Amendments received before examination
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Dec 15, 2022
Letter accompanying subsequently filed items
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Dec 15, 2022
Reply to Written Opinion prepared by the EPO
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Jun 21, 2022
May 18, 2022
Notification of forthcoming publication
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Jul 16, 2021
Jul 16, 2021
European search opinion
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Jul 16, 2021
European search report
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Jul 16, 2021
Information on Search Strategy
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Mar 10, 2021
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Jan 27, 2021
Abstract
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Jan 27, 2021
Jan 27, 2021
Claims
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Jan 27, 2021
Description
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Jan 27, 2021
Designation of inventor
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Jan 27, 2021
Drawings
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Jan 27, 2021
Request for grant of a European patent
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