The Tokyo District Court has found against the Chinese makers of the R4 - officially known as the "R4 Revolution for DS" - and granted an injunction against sales of the device, prompting Nintendo, Square Enix & Capcom to issue statements proclaiming that they're a "violation under Japan's laws".
Más info/more info ->
http://kotaku.com/5161340/japanese-cour ... ss-r4-cart 