Patent No. EP2884860 (titled "Rotary Conveyor Drum For Use In Tobacco Industry Machines, Method And Apparatus For Transporting Rod-Like Elements Using Such Drum And Machine For Manufacturing Multi-Element Rods") was filed by Tobacco Machinery Poland SP Z OO on Jul 11, 2013. The application was issued on Sep 6, 2023.

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 |
|---|---|---|
| GD SOCIETA PER AZIONI | Feb 5, 2018 | BIANCIARDI |
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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