Easiness to create the design
(Conclusion) The registered design is NOT easy to create based on Prior designs. (Design right owner won.)
In determining whether or not it is easy to create a design, the field to which the design belongs shall be considered.
The article related to the prior design is used as a holder material for attaching the decorative shade wood to the shade wood body, and is completely different from the applied design (“Metal blind louver”) in its function and construction.
<Writer: Hideki Takaishi (Attorney-at-law licensed in Japan and California)>
https://www.ip.courts.go.jp/app/files/hanrei_en/478/000478.pdf