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The patent EP2893815 was granted to CJ Cheiljedang on Mar 1, 2017. The application was filed on Jan 9, 2015 under application number EP15150565A. 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 |
|---|---|---|---|
| LESAFFRE | Nov 20, 2017 | BANDPAY & GREUTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | KR100410830B |
| DESCRIPTION | KR101115306B |
| DESCRIPTION | KR101252132B |
| OPPOSITION | CN1463615 |
| OPPOSITION | GB1091264 |
| OPPOSITION | US2003147991 |
| OPPOSITION | US2005266027 |
| OPPOSITION | US2007100215 |
| OPPOSITION | WO2007060539 |
| OPPOSITION | WO9742836 |
| SEARCH | GB1091264 |
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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