Patent No. EP3671797 (titled "Safety Switch Device") was filed by Schneider Electric Industries on Dec 18, 2018. The application was issued on May 26, 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 |
|---|---|---|
| PHOENIX CONTACT | Feb 25, 2022 | BLUMBACH ZINNGREBE PATENTANWALTE PARTG MBB |
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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