Perhaps it's the favorable environment for intellectual property litigation in East Texas [1]. [1] http://en.m.wikipedia.org/wiki/United_States_District_Court_

Perhaps it's the favorable environment for intellectual property litigation in East Texas [1]. [1] http://en.m.wikipedia.org/wiki/United_States_District_Court_for_the_Eastern_District_of_Texas#Patent_litigation http://en.m.wikipedia.org/wiki/United_States_District_Court_...