Patent No. EP2467507 (titled "Brass Alloy") was filed by Aurubis Stolberg on Aug 17, 2010. The application was issued on Feb 27, 2019.

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 |
|---|---|---|
| LEBRONZE ALLOYS GERMANY | Nov 27, 2019 | PATENTANWALTE DORNER & KOTTER PARTG MBB |
| WIELAND WERKE | Nov 21, 2019 | - |
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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