To my knowledge the RIAA only operate in the US, however now a Spanish law-firm is following the example set by the RIAA; suing 4000 file-traders in Spain according to

Landwell claims to have the IP addresses of 95000 P2P users, so beware Europeans. Soon we will probably start to see other European countries suing their P2P users aswell.

The full article can be found here.

Spotted at Nordichardware.