Patent No. EP3234025 (titled "Red-Coloured Decorative Pigments With High Chroma And High Brilliancy, Method For Their Production And Use Of Same") was filed by Eckart on Dec 21, 2015. The application was issued on Apr 24, 2019.

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 |
|---|---|---|
| SUN CHEMICAL COLORS & EFFECTS | Jan 23, 2020 | ALTMANN |
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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