Sony Computer Entertainment v. Connectix Corporation, 203 F.3d 596 (2000), commonly referred to as simply Sony v. Connectix, is a decision by the Ninth Circuit Court of Appeals which ruled that the copying of a copyrighted BIOS software during the development of an emulator software does not constitute copyright infringement, but is covered by fair use. The court also ruled that Sony's PlayStation trademark had not been tarnished by Connectix Corp.'s sale of its emulator software, the Virtual Game Station. Background of the case In July 1998, Connectix started the development of the Virtual Game Station (VGS) as a Macintosh software application that emulates Sony's popular PlayStation video games console's hardware and firmware. This would make it possible for VGS users to play games developed for the PlayStation on Macintosh hardware, with plans to release a Windows PC compatible version at a later date. Connectix's development strategy was based upon reverse engineering the PlayStation's BIOS firmware, first by using the unchanged BIOS to develop emulation for the hardware...