Patent No. EP2712740 (titled "Security Element Including An Optical Structure") was filed by Arjowiggins Security on Dec 13, 2010. The application was issued on Sep 16, 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 |
|---|---|---|
| GIESECKE & DEVRIENT | Jun 16, 2016 | - |
| LEONHARD KURZ STIFTUNG | Jun 16, 2016 | ZINSINGER |
| SURYS | Jun 10, 2016 | BOUVIER |
| BUNDESDRUCKEREI | May 25, 2016 | PATENTSHIP PATENTANWALTSGESELLSCHAFT |
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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