In a nut shell, a Square Enix comic was making references to SNK titles, without actual permission.
“Square Enix’s main office in Tokyo and related personnel were raided today by the Osaka district police from a copyright suit filed by SNK Playmore…The claim states that SNK Playmore’s Intellectual properties were being infringed by Square Enix’s publishing division in their popular arcade manga “High-score Girl”. Police officials will be looking through confiscated evidence and will be conducting interrogations to the editor as well as author, Rensuke Oshikiri.”
Hit up the source to read more (MMCAFE).
So… if you were thinking about using SNK Trademarks without permission… think again!