Patent No. EP3704001 (titled "Method And Production Facility For Producing Vehicles, And Surface Treatment System For Treating The Surface Of Vehicle Bodies") was filed by Eisenmann on Jun 12, 2018. The application was issued on Nov 23, 2022.

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 |
|---|---|---|
| HOFSTETTER | Aug 21, 2023 | HOFSTETTER |
| SEW EURODRIVE | Aug 21, 2023 | - |
| DURR SYSTEMS | Aug 18, 2023 | DTS PATENT UND RECHTSANWALTE PARTMBB |
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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