Patent No. EP3957700 (titled "Composition Including Refrigerant, Use Thereof, Refrigerator Having Same, And Method For Operating Said Refrigerator") was filed by Daikin Industries on Apr 16, 2020. The application was issued on May 29, 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 |
|---|---|---|
| MEXICHEM FLUOR DE CV | Feb 25, 2025 | POTTER CLARKSON |
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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