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The patent EP3544778 was granted to Metsliitto Osuuskunta on Jun 7, 2023. The application was filed on Nov 22, 2017 under application number EP17808092A. The patent is currently recorded with a legal status of "Revoked".

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 | Mar 5, 2024 | BERGGREN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE202006012116U |
| INTERNATIONAL-SEARCH-REPORT | EP0462586 |
| INTERNATIONAL-SEARCH-REPORT | EP1454763 |
| INTERNATIONAL-SEARCH-REPORT | JP2014083810 |
| INTERNATIONAL-SEARCH-REPORT | US2002155279 |
| OPPOSITION | EP2272927 |
| OPPOSITION | EP3205496 |
| OPPOSITION | JP2000167805 |
| OPPOSITION | JP2002067016 |
| OPPOSITION | JP2008303679 |
| OPPOSITION | JP3909897B |
| OPPOSITION | US4541880 |
| OPPOSITION | US5089348 |
| OPPOSITION | WO2006005136 |
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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Decision to grant a European patent
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Jan 27, 2023
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(Electronic) Receipt
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Jan 23, 2023
Filing of the translations of the claims
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Jan 23, 2023
French translation of claims
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Jan 23, 2023
German translation of the claims
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Jan 23, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Annex to the communication
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Jan 11, 2022
Summons to attend oral proceedings
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Aug 25, 2021
(Electronic) Receipt
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Aug 25, 2021
Amended claims with annotations
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Aug 25, 2021
Amended description with annotations
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Aug 25, 2021
Claims
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Aug 25, 2021
Description
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Aug 25, 2021
Letter accompanying subsequently filed items
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Aug 25, 2021
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(Electronic) Receipt
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May 28, 2021
Apr 26, 2021
Annex to the communication
Search/Exam
Apr 26, 2021
Communication from the Examining Division
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Apr 20, 2021
Examination started
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Jan 16, 2020
Document concerning representation
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Jan 14, 2020
(Electronic) Receipt
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Amended claims with annotations
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Jan 14, 2020
Amendments received before examination
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Jan 14, 2020
Letter accompanying subsequently filed items
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Communication to designated inventor
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Jun 24, 2019
(Electronic) Receipt
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Jun 24, 2019
Priority search results
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Jun 24, 2019
Request for entry into the European phase
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Jun 12, 2019
Apr 5, 2019
Information on entry into European phase
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Jun 20, 2018
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Copy of the international search report
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May 31, 2018
Published international application - A1
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Feb 26, 2018
ISR: cited documents
PCTISA
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Nov 30, 2017
Abstract
PCTISA
Nov 30, 2017
Claims
PCTISA
Nov 30, 2017
Description
PCTISA
Nov 30, 2017
Drawings
PCTISA
Nov 30, 2017