Patent No. EP3156104 (titled "Equipment For Use In Rescue Service For Making Holes In Roofs Etc By Cutting") was filed by Cold CUT Systems Svenska on Sep 5, 2006. The application was issued on Nov 21, 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 |
|---|---|---|
| ROSENBAUER | Aug 20, 2019 | BURGER |
| X FIRE | Aug 19, 2019 | AUTUORI |
| CRISTANINI | Jan 29, 2019 | IANNONE |
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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