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The patent EP3396937 was granted to Kabushiki Kaisha Tokai Rika Denki Seisakusho on Mar 3, 2021. The application was filed on Nov 30, 2016 under application number EP16878290A. 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 |
|---|---|---|---|
| DAIMLER TRUCK | Dec 3, 2021 | HOFSTETTER | ADMISSIBLE |
| QIP PATENTANWALTE DR KUEHN & PARTNER MBB | Nov 30, 2021 | - | - |
| QIP PATENT & RECHT DR KUEHN & PARTNER | Nov 30, 2021 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2009286216 |
| INTERNATIONAL-SEARCH-REPORT | JP2007062670 |
| INTERNATIONAL-SEARCH-REPORT | JP2009006926 |
| INTERNATIONAL-SEARCH-REPORT | JP2009290527 |
| INTERNATIONAL-SEARCH-REPORT | JP2010078978 |
| INTERNATIONAL-SEARCH-REPORT | JP2010177837 |
| INTERNATIONAL-SEARCH-REPORT | JP2013009211 |
| INTERNATIONAL-SEARCH-REPORT | JP2013109188 |
| INTERNATIONAL-SEARCH-REPORT | JP2015174626 |
| OPPOSITION | DE102012111878 |
| OPPOSITION | EM25324730001S |
| OPPOSITION | EP2692585 |
| OPPOSITION | EP2851243 |
| OPPOSITION | JP2013009211 |
| OPPOSITION | JP2015207020 |
| OPPOSITION | JP2017116599 |
| OPPOSITION | US2011267466 |
| OPPOSITION | WO2005094063 |
| SEARCH | DE102011113323 |
| SEARCH | EP2692585 |
| SEARCH | EP2851243 |
| SEARCH | JP2015207020 |
| SEARCH | US2011267466 |
| SEARCH | WO2005094063 |
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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Dec 16, 2025
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Jan 26, 2021
Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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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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Claims
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Description
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Letter accompanying subsequently filed items
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Consultation by telephone/in person
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Drawings
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Communication from the Examining Division
Search/Exam
Feb 18, 2020
Examination started
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
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Oct 11, 2019
Letter accompanying subsequently filed items
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European search opinion
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Information on Search Strategy
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Supplementary European search report
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Apr 5, 2019
Search started
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Oct 4, 2018
Notification of forthcoming publication
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Jun 22, 2018
Abstract
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Jun 22, 2018
Claims
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Jun 22, 2018
Claims filed under Art.19 PCT
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Jun 22, 2018
Description
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Jun 22, 2018
Drawings
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Jun 22, 2018
Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
Search/Exam
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International publication pamphlet
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