Patent No. EP2919596 (titled "Apparatus For Drying And/Or Roasting Beans Or Nibs") was filed by Royal Duyvis Wiener on Nov 14, 2013. The application was issued on Sep 28, 2016.

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 |
|---|---|---|
| BUHLER BARTH | Jun 26, 2017 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
| PROBAT WERKE VON GIMBORN MASCHINENFABRIK | Jun 21, 2017 | TER SMITTEN |
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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