Patent No. EP2722112 (titled "Method And Device For Continuous Treatment Of A Metal Strip") was filed by BWG Bergwerk UND Walzwerk Maschinenbau on Sep 6, 2013. The application was issued on Mar 26, 2025.

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 |
|---|---|---|
| EBNER INDUSTRIEOFENBAU GMBH | Mar 24, 2016 | HAEUSLER |
| NOVELIS | Mar 22, 2016 | WEICKMANN & WEICKMANN PARTMBB |
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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