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The patent EP3672547 was granted to Essity Hygiene And Health Aktiebolag on Aug 24, 2022. The application was filed on Aug 22, 2017 under application number EP17922785A. 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 |
|---|---|---|---|
| PAUL HARTMANN | May 24, 2023 | DREISS PATENTANWALTE PARTG MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | GB2306888 |
| INTERNATIONAL-SEARCH-REPORT | JP2008148819 |
| INTERNATIONAL-SEARCH-REPORT | US2004243087 |
| INTERNATIONAL-SEARCH-REPORT | US2006116653 |
| INTERNATIONAL-SEARCH-REPORT | US5387210 |
| INTERNATIONAL-SEARCH-REPORT | WO2016068957 |
| OPPOSITION | WO2004105667 |
| OPPOSITION | WO2005063160 |
| SEARCH | US2004243087 |
| SEARCH | US9730844 |
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.
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Jul 28, 2022
Decision to grant a European patent
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Jul 15, 2022
(Electronic) Receipt
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Jul 15, 2022
Filing of the translations of the claims
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Jul 15, 2022
French translation of claims
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Jul 15, 2022
German translation of the claims
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Jul 15, 2022
Letter accompanying subsequently filed items
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Mar 21, 2022
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Intention to grant (signatures)
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Mar 21, 2022
Text intended for grant (clean copy)
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Mar 21, 2022
Feb 24, 2022
Examination started
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Nov 3, 2021
(Electronic) Receipt
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Nov 3, 2021
Letter accompanying subsequently filed items
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Nov 3, 2021
Maintenance of the application
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May 7, 2021
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European search opinion
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Apr 19, 2021
Information on Search Strategy
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Apr 19, 2021
Supplementary European search report
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Apr 6, 2021
Search started
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Sep 23, 2020
(Electronic) Receipt
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Sep 23, 2020
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Amended claims with annotations
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Sep 23, 2020
Amendments received before examination
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Sep 23, 2020
Letter accompanying subsequently filed items
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Jun 4, 2020
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Communication to designated inventor
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Communication to designated inventor
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Mar 27, 2020
Communication to designated inventor
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Mar 17, 2020
(Electronic) Receipt
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Mar 17, 2020
Request for entry into the European phase
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Mar 10, 2020
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Information on entry into European phase
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Dec 17, 2019
Notification of the recording of a change
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Dec 17, 2019
Notification of the recording of a change
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Mar 13, 2019
Notification of the recording of a change
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Feb 28, 2019
Copy of the international search report
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Feb 28, 2019
Published international application - A1
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