Patent No. EP2789658 (titled "Photoluminescent Pigment, And Photoluminescent Paint Composition And Automobile Outer Panel Coating Material Containing Same") was filed by Nippon Sheet Glass on Dec 7, 2012. The application was issued on Sep 2, 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 |
|---|---|---|
| BASF COLORS & EFFECTS | Apr 19, 2018 | ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBB |
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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