Patent No. EP2125966 (titled "Method For Producing An Aqueous Dispersion Or Suspension Containing Calcium Carbonate And Kaolin, And Use Thereof In The Preparation Of Coating Slips") was filed by Coatex on Dec 4, 2007. The application was issued on Feb 26, 2020.

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 |
|---|---|---|
| SETNA | Jan 15, 2016 | BOULT WADE TENNANT |
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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