The patent EP3778220 was granted to Fantoni on May 10, 2023. The application was originally filed on Aug 11, 2020 under application number EP20190477A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2216149 |
| DESCRIPTION | US5866057 |
| DESCRIPTION | WO2012001483 |
| DESCRIPTION | WO2019007538 |
| OPPOSITION | DE102006062285 |
| OPPOSITION | DE102008050428 |
| OPPOSITION | DE102018129394 |
| OPPOSITION | DE19509152 |
| OPPOSITION | DE19751326 |
| OPPOSITION | DE19858079 |
| OPPOSITION | EP2216149 |
| OPPOSITION | EP2374588 |
| OPPOSITION | EP2730697 |
| OPPOSITION | EP3421234 |
| OPPOSITION | JP2005053035 |
| OPPOSITION | US3741863 |
| OPPOSITION | US5866057 |
| OPPOSITION | US6773540 |
| OPPOSITION | WO2008077793 |
| OPPOSITION | WO2012001483 |
| OPPOSITION | WO2018211545 |
| OPPOSITION | WO2019007538 |
| OPPOSITION | WO2021176326 |
| OPPOSITION | WO8703839 |
| SEARCH | DE102008050428 |
| SEARCH | DE102018129394 |
| SEARCH | DE19858079 |
| SEARCH | EP2216149 |
| SEARCH | EP2730697 |
| SEARCH | US5866057 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| OPPOSITION | - Anonymous, "FROM WOOD TO HIGH-QUALITY FIBER - COMPLETE FRONT-END TECHNOLOGY FOR FIBERBOARD PRODUCTION", Andritz Brochure, (20190101), pages 1 - 8, XP093166058 |
| OPPOSITION | - Anonymous, "Hansol Home Deco, manufacturing reinforced flooring the size of 3 soccer fields every day", Hanson, (20120409), Hanson, URL: https://www.mk.co.kr/news/business/5151175, XP093183967 |
| OPPOSITION | - Anonymous, "The EVO 56 Defibrator system - the obvious choice at Medite", Valmet, (20110426), Valmet , URL: https://www.valmet.com/insights/articles/pulp/fiberboard/the-evo-56-defibrator-system-the-obvious-choice-at-medite/, XP093183988 |
| OPPOSITION | - Anonymous, "The top two sales in the Chammaru and MDF businesses… Total interior design is the future food source", Hansol, Hansol, URL: https://www.hankyung.com/news/app/newsview.php?aid=2011122219901, XP009557747 |
| OPPOSITION | - Heiko Thoemen, Irle Mark, Sernek Milan, "Wood-Based Panels - An Introduction for Specialists ", Wood-Based Panels - An Introduction for Specialists, Brunel University Press, London, UB8 3PH. England, ISBN 9781902316826, (20101231), Wood-Based Panels - An Introduction for Specialists, URL: http://www.ahb.bfh.ch/NR/rdonlyres/6388C45C-8399-47AA-A833-589576D903BA/0/WoodBased_PanelsThoemen_et_alISBN9781902316826.pdf, (20140623), XP055124820 |
| OPPOSITION | - Nicewicz Danuta, Marcin Klimczewski, "Possibility of the production of three-layer MDF", Annals of Warsaw University of Life Sciences - SGGW, (20140101), vol. 88, pages 162 - 169, XP093183980 |
| OPPOSITION | - Otto Suchsland, George E. Woodson , "9. Dry-Process Fiberboard Manufacture", Otto Suchsland, George E. Woodson , Otto Suchsland, George E. Woodson, Fiberboard Manufacturing Practices in the United States, U.S. Department of Agriculture, Forest Service, Agriculture Handbook No. 640, (19860101), pages 136 - 167, XP009558363 |
| OPPOSITION | - Roger M. Rowell, Handbook of Wood Chemistry and Wood Composites, 2nd ed., CRC Press, (20130101), pages 324, 368 - 377, 399 - 401, XP093164834 |
| OPPOSITION | - Svehla Jakob, Brigitte Winter, "STATE OF THE ART OF PLANTS OF THE PARTICLE- AND FIBERBOARD INDUSTRY - Description of Plants in Austria and Luxembourg ", Umweltbundesamt, Environment Agency Austria; REPORT REP-0443, (20130101), XP093183975 |
| OPPOSITION | - Yurttas M Sc, Ayrilmis N, Akbulut T, "PRODUCTION OF LAYERED MDF PANEL HAVING FINE FIBERS IN FACE LAYERS AND COARSE FIBERS IN CORE LAYER FOR FURNITURE INDUSTRY", Machines Technologies Materials, (20160101), no. 5, ISSN 1313-0226, pages 46 - 47, XP093183984 |
| OPPOSITION | - Min-Kug Hong, "Effects of surface laminate type and recycled fiber content on properties of three-layer medium density fiberboard", WOOD MATERIAL SCIENCE & ENGINEERING, Taylor & Francis, United Kingdom, United Kingdom , (20200503), vol. 15, no. 3, doi:10.1080/17480272.2018.1528479, ISSN 1748-0272, pages 163 - 171, XP093164831 |
| OPPOSITION | - E. Roffael, "Bonding of recycled fibres with urea-formaldehyde resins", International Wood Products Journal, (20160102), vol. 7, no. 1, doi:10.1080/20426445.2015.1131918, ISSN 2042-6445, pages 36 - 45, XP093164829 |
| OPPOSITION | - Akbulut Turgay; Ayrilmis Nadir, "Some advantages of three-layer medium-density fibreboard as compared to the traditional single-layer one", Journal of Wood Science, Springer Singapore, Singapore, Singapore, (20190918), vol. 65, no. 1, doi:10.1186/s10086-019-1822-4, ISSN 1435-0211, XP036889980 |
| OPPOSITION | - Nadir Ayrilmis, "Effects of core layer fiber size and face-to-core layer ratio on the properties of three-layered fiberboard", Bioresources, North Carolina State University * College of Natural Resources, US, US , (20170101), vol. 12, no. 4, doi:10.15376/biores.12.4.7964-7974, ISSN 1930-2126, pages 7964 - 7974, XP093164828 |
| OPPOSITION | - Huan Liu, "Refining Characteristics of Hardwood Pulp Using Straight- and Curved-bar Plates: A Time Series Study", PEOLPEU JONG'I GI'SUL - JOURNAL OF TECHNICAL ASSOCIATION OF THEPULP AND PAPER INDUSTRY OF KOREA, HAN'GUG PULP JONG'I GI'SUL HAGHOE, SEOUL, KR, KR , (20190101), vol. 51, no. 5, doi:10.7584/JKTAPPI.2019.10.51.5.45, ISSN 0253-3200, pages 45 - 60, XP093166054 |
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May 24, 2023
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Decision to grant a European patent
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Mar 24, 2023
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Mar 24, 2023
French translation of claims
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Mar 24, 2023
German translation of the claims
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Mar 24, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Nov 16, 2022
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Nov 16, 2022
Oct 6, 2022
Examination started
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Jul 21, 2021
(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Jul 21, 2021
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Jul 21, 2021
Annex
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Annex
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Jul 21, 2021
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Letter concerning fees and payments
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Notification of forthcoming publication
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European search opinion
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European search report
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Jan 13, 2021
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Oct 2, 2020
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Sep 24, 2020
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