More specifically, ten domain names were seized in May [1] including doylesroom.com and truepoker.com, and i think it was 4 or 5 in April's "Black Friday" (domains of pokerstars, full tilt, ultimate bet and absolute poker). The former 2 have been returned.
1: http://pokerfuse.com/features/in-depth/a-whos-who-of-blue-mo...