Sony, McAfee, others sued for patent infringement

After suing Microsoft for patent infringement, Uniloc USA is now turning its sights on a host of other companies.

In a suit filed in U.S. District Court in the eastern district of Texas Thursday, Uniloc is alleging that its patent for software activation is being violated by the likes of Sony, McAfee, Activision, Quark, Borland Software, and Aspyr Media.

The patent in question #5,490,216, awarded to Uniloc founder Ric Richardson in 1996, covers a method for registering and activating software locked to one PC. The technology was developed as a way to prevent users from freely installing or copying a single software program to multiple machines.

For more on this story, read Sony, McAfee, sued over software activation patent on CNET News.