> As I recall, the FUD was coming from Microsoft: repeated claims about patent infringement and that they wouldn't litigate against anyone using a Linux distribution from a company partnering with them, leaving the impression that using or distributing a non-sanctioned distribution could result in a lawsuit.
They also use these as value themes in the moreinterop.com site, both in video and text. Here's an example (from http://www.moreinterop.com/Solutions.aspx ):
"And clearly defined intellectual property rights for each solution deliver complete peace of mind around intellectual property and integration."