Patent No. EP2687378 (titled "Print Product Production Device") was filed by Kabushiki Kaisha Tokyo Kikai Seisakusho on Jul 18, 2012. The application was issued on Feb 11, 2015.

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 |
|---|---|---|
| MANROLAND GOSS WEB SYSTEMS | Nov 11, 2015 | - |
| HUNKELER AG | Nov 10, 2015 | SCHAAD |
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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