Patent No. EP2857465 (titled "Coating Composition, And Coated Metal Plate, Metal Container And Metal Lid Formed By Coating With Said Coating Composition") was filed by Toyo Seikan Group on May 27, 2013. The application was issued on Sep 11, 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 |
|---|---|---|
| PPG INDUSTRIES | Jun 11, 2020 | APPLEYARD LEES |
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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