Patent No. EP3290608 (titled "Method For Assembling A Construction Assembly And Associated Construction Assembly") was filed by Bouyer Leroux on Sep 5, 2017. The application was issued on May 12, 2021.

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 |
|---|---|---|
| ROITMAIR | Feb 11, 2022 | CABINET NUSS |
| ROITMAIR | Feb 11, 2022 | IPSILON |
| X INDUSTRIES | Feb 10, 2022 | CABINET BOETTCHER |
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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