If you are interested in IP and licensing issues surrounding open source, the state of the art in GPL legality and contractual status, then I suggest you go read this post and the few after it. By blogging the sessions James provides an excellent update on a range of issues.

This search url:
http://www.cincomsmalltalk.com/blog/blogView?searchCategory=lsiOSS
will get all the posts on that seminar