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The patent EP3171058 was granted to Fujikoki on Dec 22, 2021. The application was filed on Sep 20, 2016 under application number EP16189678A. 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 |
|---|---|---|---|
| KAISER | Oct 2, 2019 | PUSCHMANN BORCHERT KAISER KLETTNER PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2012172839 |
| DESCRIPTION | JP5696093B |
| OPPOSITION | JP2004340260 |
| OPPOSITION | JP2005221095 |
| OPPOSITION | JP2012047213 |
| OPPOSITION | JP2012082896 |
| OPPOSITION | JP2012172839 |
| OPPOSITION | JP2013234726 |
| OPPOSITION | JP2014081046 |
| OPPOSITION | JP5696093B |
| OPPOSITION | JPH0683946U |
| OPPOSITION | JPH08170753 |
| OPPOSITION | JPH10281324 |
| OTHER | JP2004340260 |
| OTHER | JP2005221095 |
| SEARCH | JP2004340260 |
| SEARCH | JP2012047213 |
| SEARCH | JP2012082896 |
| SEARCH | JP2013234726 |
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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Description
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Decision to grant a European patent
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended description with annotations
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Description
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French translation of claims
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German translation of the claims
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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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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Observations by third parties
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Patent document filed by a Third party
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Patent document filed by a Third party
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(Electronic) Receipt
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Amended claims with annotations
Search/Exam
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Amendments received before examination
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Letter accompanying subsequently filed items
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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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Apr 21, 2017
Information on Search Strategy
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Search started
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Note on telephone consultation
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Oct 26, 2016
Letter concerning the inventor
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Sep 20, 2016
Abstract
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Claims
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Sep 20, 2016
Description
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Designation of inventor
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Drawings
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Priority search results
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Request for grant of a European patent
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