Steve Ballmer believes that people who use Red Hat Linux have an obligation to compensate Microsoft He has warned users of Red Hat Linux that they will have to pay Microsoft for its intellectual property. SCO tried and failed badly to prove that it owns the intellectual property to Linux. They are facing bankruptcy.
Microsoft's threatening IP action without any details
I also don't know which intellectual property (IP) is Microsoft saying open source solutions are infringing on. They have denied giving out this information to the rest of us. Red Hat has repeatedly stated that it will not engage in a patent licensing deal similar to the Novell-Microsoft partnership, referring to its as an 'innovation tax'. Microsoft inked a partnership with Novell last year in which Novell agreed to license Microsoft's intellectual property in exchange for a patent pledge to users of Novell's SuSE Linux.