Patent No. EP3124283 (titled "Display Body And Observing Method For Display Body") was filed by Toppan Printing on Mar 27, 2015. The application was issued on Dec 12, 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 |
|---|---|---|
| LEONHARD KURZ STIFTUNG | Sep 12, 2019 | ZINSINGER |
| GIESECKEDEVRIENT CURRENCY TECHNOLOGY | Sep 10, 2019 | HOHFELD |
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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