Patent No. EP2166154 (titled "Protective Roof Structure For The Driver Stand Of A Construction Machine") was filed by Bomag on Jun 4, 2009. The application was issued on Nov 7, 2018.

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 |
|---|---|---|
| WIRTGEN | Jan 25, 2017 | RUTTENSPERGER LACHNIT TROSSIN GOMOLL |
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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