Patent No. EP3455860 (titled "Arrangement For Transporting Radioactive Material And Method For Increasing The Fire Protection Of Such An Arrangement") was filed by Daher Nuclear on May 10, 2017. The application was issued on May 21, 2025.

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 |
|---|---|---|
| GNS GESELLSCHAFT FUR NUKLEAR SERVICE | Dec 3, 2020 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT 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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