Patent No. EP3914559 (titled "Device And Method For Determining The Position Of A Control Element For A Valve System In A Water Treatment Plant") was filed by Judo Wasseraufbereitung on Jan 20, 2020. The application was issued on Oct 1, 2025.

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 |
|---|---|---|
| GRUNBECK WASSERAUFBEREITUNG | Mar 6, 2023 | CHARRIER RAPP & LIEBAU |
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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