Activision has taken action against website ModernWarfare3.com, which recently started redirecting the address to rival publisher EA's Battlefield.com. The site has since reverted back to it's usual trolling format.
According to Fusible, the complaint cost Activision $2,600 USD to file for a three-person panel. Activision stresses that the respondent has no right or legitimate interest to the trademark. You can read the full 11-page document here.
"It appears that the Respondent supports the game Battlefield from the game developer Electronic Arts ("EA"). EA is one of Complainant's principal competitors in the video game industry, and Battlefield game competes in the marketplace with Complainant's MODERN WARFARE games and its other military-themed shooter games in the CALL OF DUTY series."