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The patent EP4084758 was granted to Paul Hartmann on Sep 11, 2024. The application was filed on Dec 28, 2020 under application number EP20841945A. 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 |
|---|---|---|---|
| ESSITY HYGIENE AND HEALTH AKTIEBOLAG | Jun 11, 2025 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2004004617 |
| DESCRIPTION | WO2005044169 |
| INTERNATIONAL-SEARCH-REPORT | WO2019219943 |
| OPPOSITION | EP1628611 |
| OPPOSITION | JP2007097644 |
| OPPOSITION | JP2017093931 |
| OPPOSITION | JP2019187884 |
| OPPOSITION | JP2019208698 |
| OPPOSITION | US2009264851 |
| OPPOSITION | WO2019219943 |
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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Decision to grant a European patent
Search/Exam
Aug 2, 2024
(Electronic) Receipt
Search/Exam
Aug 2, 2024
English translation of the claims
Search/Exam
Aug 2, 2024
Filing of the translations of the claims
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Aug 2, 2024
French translation of claims
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Aug 2, 2024
Letter accompanying subsequently filed items
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Apr 3, 2024
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Intention to grant (signatures)
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Apr 3, 2024
Text intended for grant (clean copy)
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Apr 3, 2024
Mar 7, 2024
Examination started
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Apr 18, 2023
(Electronic) Receipt
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Apr 18, 2023
Letter accompanying subsequently filed items
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Apr 18, 2023
Priority search results
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(Electronic) Receipt
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Feb 21, 2023
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Amended claims with annotations
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Feb 21, 2023
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Amended description with annotations
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Feb 21, 2023
Amendments received before examination
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Feb 21, 2023
Letter accompanying subsequently filed items
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Oct 12, 2022
Aug 11, 2022
Jul 29, 2022
(Electronic) Receipt
Search/Exam
Jul 29, 2022
Request for entry into the European phase
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Jul 18, 2022
May 13, 2022
Information on entry into European phase
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Jul 26, 2021
Jul 8, 2021
Copy of the international search report
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Jul 8, 2021
Copy of the international search report
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Jul 8, 2021
Published international application - A1
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Mar 1, 2021
(Electronic) Receipt
PCTISA
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Dec 28, 2020
(Electronic) Receipt
PCTRO
Dec 28, 2020
Abstract
PCTRO
Dec 28, 2020
Claims
PCTRO
Dec 28, 2020
Description
PCTRO
Dec 28, 2020
Dec 28, 2020
Drawings
PCTRO
Dec 28, 2020