Patent No. EP3710128 (titled "Process For Separating A Mixture With Measurement Of Purity Or Yield On An Intermediate Tank") was filed by Novasep Process on Nov 16, 2018. The application was issued on Sep 11, 2024.

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 |
|---|---|---|
| HOFFMANN EITLE | Jun 10, 2025 | HOFFMANN EITLE |
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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