On the day of Apple's expected iPad announcement, Samsung has confirmed it filed another lawsuit against Apple claiming the iPad 2 and the iPhone 4S infringe on three of its patents. This latest round of litigation was filed in Korea, Samsung's home country. According to the Reuters report, the suit covers three patents involving the user interface, short text messages and how a device displays data. This is one of over 30 lawsuits filed between the two companies.

This article was originally published on Tuaw.
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