While Tokyo won’t be hosting the Olympics until 2020 after Rio in 2016, they had already released their logo design. Created by Graphic Designer Kenjiro Sano, the logo has recently come under fire for plagiarism. An article by Wired reports that Japan has scrapped the logo due to the similarity to Belgian Designer Olivier Debe’s work for Théâtre de Liège.
Here are the two logos side by side:

Japan’s Olympic Committee is said to still be working on a new design to replace Sano’s one.