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The patent EP2789585 was granted to SK Innovation on Dec 12, 2018. The application was filed on Apr 10, 2014 under application number EP14164262A. 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 |
|---|---|---|---|
| STRAWMAN | Sep 9, 2019 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | KR20100042145 |
| OPPOSITION | EP2698351 |
| OPPOSITION | JP2003183029 |
| OPPOSITION | JP2004241146 |
| OPPOSITION | JP2009215143 |
| OPPOSITION | US2003082448 |
| OPPOSITION | US2009008602 |
| OPPOSITION | US2009068561 |
| OPPOSITION | US2012077083 |
| OPPOSITION | US6730435 |
| OPPOSITION | WO2012141258 |
| SEARCH | JP2003183029 |
| SEARCH | JP2004241146 |
| SEARCH | JP2009215143 |
| SEARCH | JP2011129258 |
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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French translation of claims
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Letter accompanying subsequently filed items
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Communication from the Examining Division
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CDS Clean up - amended applicant details
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Letter accompanying subsequently filed items
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Submission concerning representation
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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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Aug 27, 2014
Search started
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Letter accompanying subsequently filed items
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Jun 10, 2014
Abstract
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Description
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Letter accompanying subsequently filed items
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Communication to designated inventor
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