Patent No. EP3181528 (titled "Conveyor Chain For Transporting Glass Containers Through A Furnace With Supports In The Form Of Chain Straps And Conveying Device Comprising Such A Conveyor Chain") was filed by Hans Hoffmann Trocken UND Lackierofenfabrik Apparatebau on Dec 17, 2015. The application was issued on Apr 10, 2019.

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 |
|---|---|---|
| ERNST PENNEKAMP OHG | Jan 10, 2020 | BUSE |
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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