Patent No. EP3369561 (titled "Pellet Press With Device For Cutting To Length Of Pellets Containing Biogenic Fibres") was filed by Blieninger on Oct 28, 2013. The application was issued on Apr 15, 2020.

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 |
|---|---|---|
| CPM EUROPE | Jan 15, 2021 | LEEGER |
| PFEIFER HOLZ | Jan 15, 2021 | ERNICKE PATENT UND RECHTSANWALTE PARTMBB |
| EC BIOENERGIE | Dec 17, 2020 | ULLRICH & NAUMANN 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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