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The patent EP3778222 was granted to DAI Nippon Printing on Jul 31, 2024. The application was filed on Mar 29, 2019 under application number EP19778348A. 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 |
|---|---|---|---|
| HUECK FOLIEN GESELLSCHAFT | Apr 30, 2025 | BURGER | ADMISSIBLE |
| PROFOL | Apr 30, 2025 | HOFFMANN EITLE | ADMISSIBLE |
| RENOLIT | Apr 29, 2025 | ZELLENTIN & PARTNER MBB PATENTANWALTE | ADMISSIBLE |
| THE CHEMOURS FC | Apr 28, 2025 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2016168785 |
| DESCRIPTION | JP2016168787 |
| INTERNATIONAL-SEARCH-REPORT | JP2005335336 |
| INTERNATIONAL-SEARCH-REPORT | JP2012212050 |
| INTERNATIONAL-SEARCH-REPORT | JP2014088026 |
| INTERNATIONAL-SEARCH-REPORT | JP2017202674 |
| OPPOSITION | DE10002163 |
| OPPOSITION | DE1208438 |
| OPPOSITION | EP0078633 |
| OPPOSITION | EP1963415 |
| OPPOSITION | EP1989264 |
| OPPOSITION | EP2397519 |
| OPPOSITION | EP2762309 |
| OPPOSITION | JP2004277516 |
| OPPOSITION | JP2011075931 |
| OPPOSITION | JP2012111842 |
| OPPOSITION | JP2016168787 |
| OPPOSITION | JP2016196152 |
| OPPOSITION | JP2017145584 |
| OPPOSITION | JP2017177376 |
| OPPOSITION | JP2017202674 |
| OPPOSITION | JP5196042B |
| OPPOSITION | JP5821461B |
| OPPOSITION | US2006000390 |
| OPPOSITION | US2013314796 |
| OPPOSITION | US3437502 |
| OPPOSITION | US6200375 |
| OPPOSITION | US6342099 |
| OPPOSITION | US6783586 |
| OPPOSITION | WO2016073402 |
| OPPOSITION | WO2016167929 |
| OPPOSITION | WO2018153665 |
| SEARCH | JP2004277516 |
| SEARCH | JP2011075931 |
| SEARCH | JP2017202674 |
| SEARCH | JP5821461B |
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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Jul 4, 2024
Decision to grant a European patent
Search/Exam
Jun 19, 2024
(Electronic) Receipt
Search/Exam
Jun 19, 2024
Filing of the translations of the claims
Search/Exam
Jun 19, 2024
French translation of claims
Search/Exam
Jun 19, 2024
German translation of the claims
Search/Exam
Jun 19, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 7, 2024
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Intention to grant (signatures)
Search/Exam
Mar 7, 2024
Text intended for grant (clean copy)
Search/Exam
Mar 7, 2024
Feb 20, 2024
Examination started
Search/Exam
May 30, 2022
(Electronic) Receipt
Search/Exam
May 30, 2022
Letter accompanying subsequently filed items
Search/Exam
May 30, 2022
Reply to Written Opinion prepared by the EPO
Search/Exam
Dec 2, 2021
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European search opinion
Search/Exam
Nov 15, 2021
Information on Search Strategy
Search/Exam
Nov 15, 2021
Supplementary European search report
Search/Exam
Nov 3, 2021
Search started
Search/Exam
Jan 20, 2021
Notification of forthcoming publication
Search/Exam
Nov 6, 2020
Nov 4, 2020
Communication to designated inventor
Search/Exam
Oct 23, 2020
(Electronic) Receipt
Search/Exam
Oct 23, 2020
Abstract
Search/Exam
Oct 23, 2020
Claims
Search/Exam
Oct 23, 2020
Description
Search/Exam
Oct 23, 2020
Drawings
Search/Exam
Oct 23, 2020
Request for entry into the European phase
Search/Exam
Oct 12, 2020
Oct 12, 2020
Aug 7, 2020
Information on entry into European phase
Search/Exam
Oct 22, 2019
Oct 3, 2019
Copy of the international search report
Search/Exam
Oct 3, 2019
Oct 3, 2019
International publication pamphlet
Search/Exam