Patent No. EP2647670 (titled "Polyamide Composition For Reflector, Reflector, Light Emitting Device Including The Reflector, And Lighting Device And Image Display Device Each Including The Light Emitting Device") was filed by Kuraray on Jan 20, 2012. The application was issued on Mar 18, 2015.

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.
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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