I also did another post on the validity subject (woke up at 3 am and couldn't get back to sleep) - see http://www.ontechnologylaw.com/2010/04/patent-validity-th

I also did another post on the validity subject (woke up at 3 am and couldn't get back to sleep) - see http://www.ontechnologylaw.com/2010/04/patent-validity-the-claims-and-statements-cannot-return-true-when-applied-to-prior-art/ http://www.ontechnologylaw.com/2010/04/patent-validity-the-c.... Usual disclaimers: Don't rely on this as legal advice, I'm not your lawyer, etc., etc.