Patent No. EP3408031 (titled "Bearing Arrangement Of A Screw Of A Solid Bowl Screw Centrifuge") was filed by Flottweg on Jan 18, 2017. The application was issued on May 19, 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 |
|---|---|---|
| NOWACK | Feb 4, 2022 | KUHNEN & WACKER PATENT UND RECHTSANWALTSBURO 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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