Blackboard won its elearning patent dispute against Desire2Learn which surprised me. I didn't think Blackboard's case was as strong as the federal jury in Lufkin, TX apparently did.
Cf. Dian Schaffhauser, "Blackboard Wins Lawsuit Against Desire2Learn," Campus Technology, 2/22/2008, http://www.campustechnology.com/article.aspx?aid=58797.