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The patent EP2854768 was granted to Fresenius Kabi Oncology on Jun 18, 2025. The application was filed on May 30, 2013 under application number EP13730070A. 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 |
|---|---|---|---|
| COOKE | Dec 22, 2017 | ELKINGTON AND FIFE | ADMISSIBLE |
| GENERICS UK | Dec 22, 2017 | FRKELLY | ADMISSIBLE |
| LARSEN & BIRKEHOLM | Nov 3, 2017 | LARSEN & BIRKEHOLM | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN101081301 |
| DESCRIPTION | US2008139810 |
| DESCRIPTION | US2011201631 |
| DESCRIPTION | US5344932 |
| DESCRIPTION | US6686365 |
| DESCRIPTION | WO2012001581 |
| EXAMINATION | WO2010030598 |
| INTERNATIONAL-SEARCH-REPORT | CN100364993C |
| INTERNATIONAL-SEARCH-REPORT | CN101081301 |
| INTERNATIONAL-SEARCH-REPORT | WO2012015810 |
| OPPOSITION | CN100364993C |
| OPPOSITION | CN101081301 |
| OPPOSITION | EP0432677 |
| OPPOSITION | EP1313508 |
| OPPOSITION | IS50051 |
| OPPOSITION | US2007190138 |
| OPPOSITION | US4977181 |
| OPPOSITION | US5344932 |
| OPPOSITION | WO2008021411 |
| OPPOSITION | WO2010030598 |
| OPPOSITION | WO2012015810 |
| OPPOSITION | WO2014167585 |
| OTHER | WO2010030598 |
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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Published international application - A1
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PCTISA
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PCTISA
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Description
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