Lucas, I would think, would be smart enough to renew their license. Agreeing with posts above there are dozens of sets that they could create in the future.
As well, talking about the upcoming Star Wars TV series this article here has some interesting news:
http://themovieblog.com/2009/03/star-wars-...ies-coming-soon
I thought it was quite exciting news considering the exploration of the universe they could create as a Star Wars fan and as well the possibilities for future Lego sets.