Defense Of The Ancients: DOTA. Who owns the term? A massive law suit between Valve and Blizzard has erupted before the launch of DOTA 2 deciding who actual owns the term DOTA. Valve have already had a highly successful game DOTA its own game entirely. But all of this comes from Blizzards claim that DOTA has attachments to the IP Warcraft 3, the highly popular RTS prequel to World Of Warcraft.