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The patent EP3109428 was granted to Toyota Jidosha Kabushiki Kaisha on Feb 7, 2018. The application was filed on Jun 20, 2016 under application number EP16175165A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| FAURECIA EMISSIONS CONTROL | Nov 6, 2018 | PRINZ & PARTNER | - |
| FAURECIA EMISSIONS CONTROL | Nov 6, 2018 | PRINZ & PARTNER MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2006312884 |
| OPPOSITION | DE112013006652T |
| OPPOSITION | EP1852585 |
| OPPOSITION | JP2008101481 |
| OPPOSITION | JP2009209913 |
| OPPOSITION | JP2010144566 |
| OPPOSITION | JP2011214529 |
| OPPOSITION | JP2012189059 |
| OPPOSITION | JP2014095362 |
| OPPOSITION | JPS5338761B |
| OPPOSITION | US2014123626 |
| OPPOSITION | US2015129173 |
| OPPOSITION | WO2014074430 |
| OPPOSITION | WO2014125570 |
| SEARCH | EP1852585 |
| SEARCH | JP2010144566 |
| SEARCH | US2012151999 |
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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(Electronic) Receipt
Appeal
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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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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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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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Information on Search Strategy
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Description
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Request for grant of a European patent
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