Patent No. EP3696333 (titled "Inlet Valve For Cisterns") was filed by Fominaya on Feb 18, 2019. The application was issued on Feb 1, 2023.

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 |
|---|---|---|
| HIDROTECNOAGUA | Oct 30, 2023 | ISERN PATENTES Y MARCAS SL |
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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