Patent No. EP3060358 (titled "Aluminum Hot Strip Rolling Train And Method For Hot Rolling An Aluminum Hot Strip") was filed by SMS Group on Sep 16, 2014. The application was issued on Apr 17, 2024.

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 |
|---|---|---|
| SPEIRA | Aug 15, 2018 | COHAUSZ & FLORACK |
| NOVELIS | Aug 14, 2018 | WEICKMANN & WEICKMANN PARTMBB |
| PRIMETALS | Aug 14, 2018 | METALSLINZ |
| DANIELI & C OFFICINE MECCANICHE | Aug 8, 2018 | CINQUANTINI |
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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