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The patent EP3540068 was granted to N&H Denmark APS on Oct 26, 2022. The application was filed on Sep 2, 2011 under application number EP19172614A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_830/2024 | Dec 20, 2024 | UPM Kymmene OYJ | Revocation |

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 |
|---|---|---|---|
| UPM KYMMENE | Jul 25, 2023 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2011IL00424 |
| DESCRIPTION | WO2011IL00509 |
| DESCRIPTION | US2009035842 |
| DESCRIPTION | WO2010009343 |
| OPPOSITION | EP3540068 |
| OPPOSITION | US2002153317 |
| OPPOSITION | US2009061486 |
| OPPOSITION | WO2011161685 |
| OPPOSITION | WO2012031270 |
| OPPOSITION | WO9627028 |
| SEARCH | US2002164731 |
| SEARCH | US2009061486 |
| SEARCH | US4631129 |
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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Nov 24, 2025
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(Electronic) Receipt
Appeal
Oct 14, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Dec 23, 2024
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Notice of appeal
Appeal
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Means of redress
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Nov 8, 2022
Sep 29, 2022
Decision to grant a European patent
Search/Exam
Aug 30, 2022
(Electronic) Receipt
Search/Exam
Aug 30, 2022
Filing of the translations of the claims
Search/Exam
Aug 30, 2022
French translation of claims
Search/Exam
Aug 30, 2022
German translation of the claims
Search/Exam
Aug 30, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2022
Aug 10, 2022
(Electronic) Receipt
Search/Exam
Aug 10, 2022
Annexes in respect of a client data request
Search/Exam
Aug 10, 2022
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Text intended for grant (clean copy)
Search/Exam
May 9, 2022
Mar 14, 2022
Examination started
Search/Exam
Sep 20, 2021
Document concerning representation
Search/Exam
May 12, 2020
(Electronic) Receipt
Search/Exam
May 12, 2020
Letter accompanying subsequently filed items
Search/Exam
May 12, 2020
Priority search results
Search/Exam
Mar 26, 2020
Mar 13, 2020
(Electronic) Receipt
Search/Exam
Mar 13, 2020
Mar 13, 2020
Amended claims with annotations
Search/Exam
Mar 13, 2020
Mar 13, 2020
Amended description with annotations
Search/Exam
Mar 13, 2020
Amendments received before examination
Search/Exam
Mar 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 5, 2019
Sep 23, 2019
Aug 21, 2019
Notification of forthcoming publication
Search/Exam
Jul 9, 2019
Refund of fees
Search/Exam
Jul 3, 2019
Jul 3, 2019
European search opinion
Search/Exam
Jul 3, 2019
European search report
Search/Exam
Jul 3, 2019
Information on Search Strategy
Search/Exam
Jun 26, 2019
Communication to designated inventor
Search/Exam
Jun 26, 2019
Communication to designated inventor
Search/Exam
May 24, 2019
Search started
Search/Exam
May 3, 2019
Abstract
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May 3, 2019
May 3, 2019
Claims
Search/Exam
May 3, 2019
Description
Search/Exam
May 3, 2019
Designation of inventor
Search/Exam
May 3, 2019
Drawings
Search/Exam
May 3, 2019
Letter concerning search matters
Search/Exam
May 3, 2019
Matter concerning the application
Search/Exam
May 3, 2019
Request for grant of a European patent
Search/Exam
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