Atari is being sued by RollerCoaster Tycoon developer Chris Sawyer for between $4.8 & $5.2 M U.S. (depending on the report) plus interest in alleged unpaid royalties. Sawyer alleges Atari breached its contract by failing to to give his auditors access to Atari’s accounts between 1999-2001.
Sources: CNet | GameIndustry.biz | The Inquirer