Patent No. EP2818331 (titled "Process And System For The Production Of Books With Digital Printing From A Continous Paper Strip And Respective Book") was filed by Tecnau on Jun 23, 2014. The application was issued on Sep 5, 2018.

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 | Jun 5, 2019 | - |
| HUNKELER | Jun 4, 2019 | SCHAAD |
| MULLER MARTINI HOLDING | Jun 4, 2019 | LEINWEBER & ZIMMERMANN |
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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