Patent No. EP2805633 (titled "Trays Made Of Conductive Plastic Material And Device And Method For Automatically Discharching Trays Filled With Rod-Shaped Articles") was filed by Hauni Maschinenbau on Apr 14, 2014. The application was issued on Mar 23, 2022.

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 |
|---|---|---|
| G.D S.P.A. | Feb 27, 2017 | BIANCIARDI |
| TOBACCO MACHINERY POLAND SP Z OO | Feb 20, 2017 | 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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