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The patent EP3581732 was granted to Akzenta Paneele Profile on Dec 7, 2022. The application was filed on Jun 15, 2018 under application number EP18178064A. 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 |
|---|---|---|---|
| LIGNUM | Sep 6, 2023 | BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP20180155583 |
| DESCRIPTION | WO2007081267 |
| OPPOSITION | EP1730366 |
| OPPOSITION | US2009041987 |
| OPPOSITION | US2010043333 |
| OPPOSITION | US2018002933 |
| OPPOSITION | US6345481 |
| OPPOSITION | WO2007081267 |
| SEARCH | EP0624696 |
| SEARCH | US2018002933 |
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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Nov 10, 2022
Decision to grant a European patent
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Oct 21, 2022
(Electronic) Receipt
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Oct 21, 2022
Filing of the translations of the claims
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Oct 21, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Oct 17, 2022
Text intended for grant (clean copy)
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Aug 18, 2022
(Electronic) Receipt
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Aug 18, 2022
Amended claims with annotations
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Aug 18, 2022
Claims
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Aug 18, 2022
English translation of the claims
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Aug 18, 2022
French translation of claims
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Aug 18, 2022
Letter accompanying subsequently filed items
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Aug 18, 2022
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Intention to grant (signatures)
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Jun 2, 2022
Text intended for grant (clean copy)
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Jun 2, 2022
Apr 28, 2022
Examination started
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May 14, 2020
(Electronic) Receipt
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May 14, 2020
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Amended claims with annotations
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May 14, 2020
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Amended description with annotations
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May 14, 2020
Amendments received before examination
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May 14, 2020
Letter accompanying subsequently filed items
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Jan 2, 2020
Nov 20, 2019
Notification of forthcoming publication
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Dec 14, 2018
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European search opinion
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Dec 14, 2018
European search report
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Dec 14, 2018
Information on Search Strategy
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Dec 6, 2018
Search started
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Sep 11, 2018
Communication to designated inventor
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Sep 11, 2018
Communication to designated inventor
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Sep 5, 2018
(Electronic) Receipt
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Sep 5, 2018
Designation of inventor
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Sep 5, 2018
Letter accompanying subsequently filed items
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Sep 5, 2018
Letter concerning the inventor
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Jul 19, 2018
Deficiency in designation of inventor
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Jun 15, 2018
Abstract
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Jun 15, 2018
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Claims
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Jun 15, 2018
Description
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Jun 15, 2018
Drawings
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Jun 15, 2018
Request for grant of a European patent
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