Patent No. EP3437942 (titled "Vehicle Washing Installation And Method For The Operation Thereof") was filed by Washtec Holding on Aug 14, 2015. The application was issued on Mar 3, 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 |
|---|---|---|
| ALFRED KARCHER | Dec 3, 2021 | DTS PATENT UND RECHTSANWALTE PARTMBB |
| OTTO CHRIST | Dec 3, 2021 | ERNICKE 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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