Patent No. EP4347271 (titled "Functional Element, A Method For Producing A Functional Element, And A Product") was filed by OVD Kinegram on May 30, 2022. The application was issued on Oct 9, 2024.

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 |
|---|---|---|
| GIESECKEDEVRIENT CURRENCY TECHNOLOGY | Jul 8, 2025 | PATENTANWALTE GEYER |
| HUECK FOLIEN GESELLSCHAFT | Jul 8, 2025 | BURGER |
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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