Patent No. EP2415522 (titled "Method And Device For Manufacturing Exhaust Emission Control Catalyst And Nozzle Used For The Device") was filed by Cataler on Apr 2, 2010. The application was issued on Jun 23, 2021.

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 |
|---|---|---|
| UMICORE | Jan 18, 2019 | VOSSIUS & PARTNER |
| UMICORE | Jan 18, 2019 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
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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