Patent No. EP3085252 (titled "A Device For Supporting A Mass Flow Of Rod-Shaped Articles Of The Tobacco Industry In A Transport Channel And A Method Of Filling And Emptying The Transport Channel") was filed by Tobacco Machinery Poland SP Z OO on Apr 5, 2016. The application was issued on Jan 10, 2024.

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 | Jul 19, 2019 | 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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