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The patent EP2660333 was granted to Ionian on Apr 17, 2024. The application was filed on Jul 14, 2008 under application number EP12195333A. 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 |
|---|---|---|---|
| GRUND | Jun 18, 2020 | GRUND GROUP PATENTANWALTE UND SOLICITOR PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2003082590 |
| DESCRIPTION | US2003138800 |
| DESCRIPTION | US2004058378 |
| DESCRIPTION | US2006154286 |
| DESCRIPTION | US5354668 |
| DESCRIPTION | US5422252 |
| DESCRIPTION | US5455166 |
| DESCRIPTION | US5470723 |
| DESCRIPTION | US5556751 |
| DESCRIPTION | US5591609 |
| DESCRIPTION | US5614389 |
| DESCRIPTION | US5712124 |
| DESCRIPTION | US5733733 |
| DESCRIPTION | US5744311 |
| DESCRIPTION | US5834202 |
| DESCRIPTION | US5916779 |
| DESCRIPTION | US5942391 |
| DESCRIPTION | US7112423 |
| DESCRIPTION | WO0001846 |
| DESCRIPTION | WO0044895 |
| DESCRIPTION | WO0044914 |
| DESCRIPTION | WO0129058 |
| DESCRIPTION | WO0136646 |
| DESCRIPTION | WO9907409 |
| DESCRIPTION | WO9932619 |
| EXAMINATION | US6063604 |
| OPPOSITION | US2003082590 |
| OPPOSITION | US2003138800 |
| OPPOSITION | US2005112631 |
| OPPOSITION | US6191267 |
| OPPOSITION | WO2007028833 |
| SEARCH | US2003138800 |
| SEARCH | US5712124 |
| SEARCH | US5744311 |
| SEARCH | US6191267 |
| SEARCH | WO0028084 |
| SEARCH | WO2004067726 |
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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