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The patent EP3760987 was granted to Koskisen on Dec 28, 2022. The application was filed on Jul 3, 2019 under application number EP19184134A. 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 |
|---|---|---|---|
| UPM PLYWOOD | Sep 21, 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 | EP2261613 |
| DESCRIPTION | EP2821761 |
| DESCRIPTION | US2017307433 |
| DESCRIPTION | WO2017163105 |
| OPPOSITION | CZ32651U |
| OPPOSITION | DE102010031150 |
| OPPOSITION | DE102011012325 |
| OPPOSITION | DE102017114214 |
| OPPOSITION | EP2821946 |
| OPPOSITION | GB2491848 |
| OPPOSITION | GB2541898 |
| OPPOSITION | JP2019074355 |
| OPPOSITION | US2018096289 |
| OPPOSITION | US2018194575 |
| OPPOSITION | US7897884 |
| OPPOSITION | WO2008046123 |
| OPPOSITION | WO2010136745 |
| OPPOSITION | WO2012049483 |
| OPPOSITION | WO2017163105 |
| OPPOSITION | WO2017179985 |
| SEARCH | WO2017179985 |
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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Sep 23, 2025
Aug 27, 2025
Aug 21, 2025
(Electronic) Receipt
Appeal
Aug 21, 2025
Aug 21, 2025
Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Nov 16, 2022
(Electronic) Receipt
Search/Exam
Nov 16, 2022
English translation of the claims
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Nov 16, 2022
French translation of claims
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Nov 16, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jul 11, 2022
Text intended for grant (clean copy)
Search/Exam
Jul 11, 2022
Mar 25, 2022
(Electronic) Receipt
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Mar 25, 2022
Claims
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Mar 25, 2022
Description
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Mar 25, 2022
Letter accompanying subsequently filed items
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Annex to the communication
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Mar 7, 2022
Communication from the Examining Division
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Mar 2, 2022
Examination started
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Mar 3, 2021
(Electronic) Receipt
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Mar 3, 2021
Mar 3, 2021
Amended claims with annotations
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Mar 3, 2021
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Amended description with annotations
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Mar 3, 2021
Amendments received before examination
Search/Exam
Mar 3, 2021
Letter accompanying subsequently filed items
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Jan 15, 2021
Dec 9, 2020
Notification of forthcoming publication
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Nov 29, 2019
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European search opinion
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Nov 29, 2019
European search report
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Nov 29, 2019
Information on Search Strategy
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Nov 19, 2019
Search started
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Aug 26, 2019
Communication to designated inventor
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Jul 15, 2019
Authorisation
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Jul 15, 2019
Submission concerning representation
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Jul 3, 2019
Abstract
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Jul 3, 2019
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Claims
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Jul 3, 2019
Description
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Jul 3, 2019
Designation of inventor
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Jul 3, 2019
Drawings
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Jul 3, 2019
Request for grant of a European patent
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