Patent No. EP2200736 (titled "Use Of Moulded Bodies With Catalytic Properties As Reactor Fittings") was filed by Basf on Sep 26, 2008. The application was issued on Nov 30, 2016.

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 |
|---|---|---|
| CLARIANT | Aug 29, 2017 | DANNENBERGER |
| JOHNSON MATTHEY PUBLIC | Aug 29, 2017 | BOWN |
| EVONIK OPERATIONS | Aug 25, 2017 | GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB WERKPATENT |
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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