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The patent EP3442309 was granted to Benecke Kaliko on May 15, 2024. The application was filed on Aug 7, 2017 under application number EP17185132A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| PORCHER INDUSTRIES | Mar 29, 2022 | LAVOIX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102005050459 |
| DESCRIPTION | DE102012000445 |
| DESCRIPTION | DE4124684 |
| DESCRIPTION | DE4136425 |
| DESCRIPTION | DE4233118 |
| DESCRIPTION | EP1835786 |
| DESCRIPTION | EP2457944 |
| DESCRIPTION | WO2007031324 |
| OPPOSITION | EP2457944 |
| OPPOSITION | FR2956780 |
| OPPOSITION | JP2003266612 |
| OPPOSITION | JP2011230499 |
| OPPOSITION | JPH03237799 |
| OPPOSITION | JPH06264328 |
| OPPOSITION | JPH0681261 |
| OPPOSITION | US5286415 |
| OPPOSITION | WO2008060101 |
| OPPOSITION | WO2008075915 |
| OPPOSITION | WO2010115597 |
| OPPOSITION | WO2016173726 |
| SEARCH | EP2457944 |
| SEARCH | JP2003266612 |
| SEARCH | WO2008075915 |
| SEARCH | WO2016173726 |
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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Decision to grant a European patent
Search/Exam
May 20, 2021
(Electronic) Receipt
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May 20, 2021
English translation of the claims
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French translation of claims
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May 20, 2021
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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General enquiry
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Letter accompanying subsequently filed items
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Amended claims with annotations
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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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Information on Search Strategy
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Communication to designated inventor
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Aug 7, 2017
Abstract
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Claims
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Aug 7, 2017
Description
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Aug 7, 2017
Designation of inventor
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Aug 7, 2017
Request for grant of a European patent
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