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The patent EP3872256 was granted to Fiberboard on Jan 12, 2022. The application was originally filed on Feb 28, 2020 under application number EP20160148A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|
| OPPOSITION | DE69819546T |
| OPPOSITION | EP3395520 |
| OPPOSITION | US4537655 |
| OPPOSITION | WO2015014451 |
| OPPOSITION | WO9010108 |
| SEARCH | WO2004072362 |
| SEARCH | WO9910594 |
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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Means of redress
OPPO
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Apr 6, 2022
Document concerning representation
Search/Exam
Jan 25, 2022
Dec 16, 2021
Decision to grant a European patent
Search/Exam
Dec 2, 2021
(Electronic) Receipt
Search/Exam
Dec 2, 2021
English translation of the claims
Search/Exam
Dec 2, 2021
Filing of the translations of the claims
Search/Exam
Dec 2, 2021
French translation of claims
Search/Exam
Dec 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Intention to grant (signatures)
Search/Exam
Sep 15, 2021
Text intended for grant (clean copy)
Search/Exam
Sep 15, 2021
Sep 6, 2021
Aug 4, 2021
Notification of forthcoming publication
Search/Exam
Jun 10, 2021
Jun 2, 2021
(Electronic) Receipt
Search/Exam
Jun 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2021
Letter concerning the inventor
Search/Exam
Feb 24, 2021
(Electronic) Receipt
Search/Exam
Feb 24, 2021
Amended description with annotations
Search/Exam
Feb 24, 2021
Description
Search/Exam
Feb 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2021
Nov 11, 2020
Annex to the communication
Search/Exam
Nov 11, 2020
Communication from the Examining Division
Search/Exam
Nov 4, 2020
Examination started
Search/Exam
Aug 31, 2020
(Electronic) Receipt
Search/Exam
Aug 31, 2020
Aug 31, 2020
Aug 31, 2020
Aug 31, 2020
Amended claims with annotations
Search/Exam
Aug 31, 2020
Amended claims with annotations
Search/Exam
Aug 31, 2020
Amendments received before examination
Search/Exam
Aug 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2020
Jul 22, 2020
European search opinion
Search/Exam
Jul 22, 2020
European search report
Search/Exam
Jul 22, 2020
Information on Search Strategy
Search/Exam
Jul 9, 2020
Search started
Search/Exam
Jun 4, 2020
Communication to designated inventor
Search/Exam
May 28, 2020
(Electronic) Receipt
Search/Exam
May 28, 2020
Designation of inventor
Search/Exam
May 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 26, 2020
Deficiency in designation of inventor
Search/Exam
Feb 28, 2020
Abstract
Search/Exam
Feb 28, 2020
Feb 28, 2020
Claims
Search/Exam
Feb 28, 2020
Description
Search/Exam
Feb 28, 2020
Drawings
Search/Exam
Feb 28, 2020
Request for grant of a European patent
Search/Exam