The companies accused are: Google, Apple, Intel, Adobe, Disney, Pixar, Intuit and Lucasfilm. Basically they have informal agreements that they won't actively try to recruit and hire each other's employees, which could escalate salaries for computer engineer superstars. But now they have to answer to the law!
http://www.bloomberg.com/news/2012-01-26/apple-google-poaching-case-will-go-forward-u-s-judge-says.html
http://tech.slashdot.org/story/12/01/27/1340241/judge-denies-dismissal-of-no-poach-conspiracy-case
http://www.bloomberg.com/news/2012-01-26/apple-google-poaching-case-will-go-forward-u-s-judge-says.html
http://tech.slashdot.org/story/12/01/27/1340241/judge-denies-dismissal-of-no-poach-conspiracy-case