Patent No. EP3606765 (titled "Security Element Having Relief Structure And Production Method Therefor") was filed by Gieseckedevrient Currency Technology on Mar 19, 2018. The application was issued on Jun 29, 2022.

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 |
|---|---|---|
| DE LA RUE | Mar 29, 2023 | GILL JENNINGS & EVERY |
| LEONHARD KURZ STIFTUNG | Mar 29, 2023 | LOUIS POHLAU LOHRENTZ |
| HUECK FOLIEN GESELLSCHAFT | Mar 27, 2023 | BURGER |
| MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | Mar 24, 2023 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB |
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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