Patent No. EP2893390 (titled "Pixel Mapping, Arranging, And Imaging For Round And Square-Based Micro Lens Arrays To Achieve Full Volume 3D And Multi-Directional Motion") was filed by Lumenco on Sep 4, 2013. The application was issued on Nov 16, 2016.

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 |
|---|---|---|
| CCL SECURE | Aug 16, 2017 | LINCOLN |
| CRANE | Aug 16, 2017 | GRUNECKER PATENT |
| DE LA RUE | Aug 16, 2017 | GILL JENNINGS & EVERY |
| GIESECKEDEVRIENT CURRENCY TECHNOLOGY | Aug 11, 2017 | ZEUNER, STEFAN |
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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