Patent No. EP2841614 (titled "Method For Producing A Metal Sheet Having Zn-Al-Mg Coatings, Comprising The Application Mechanical Stress To The Coatings And An Adhesive, And Corresponding Metal Sheet And Assembly") was filed by Arcelormittal on Apr 25, 2013. The application was issued on Feb 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 |
|---|---|---|
| THYSSENKRUPP STEEL EUROPE | Nov 6, 2019 | COHAUSZ & FLORACK |
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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