Looks like HTC and Samsung are taking some aggressive steps to protect themselves from Android patent litigation -- in the past week both companies have entered into long-term patent licensing agreements with Nathan Myhrvold's Intellectual Ventures. (Mhyrvold was once Microsoft's chief technology officer, but he's arguably more famous for Intellectual Ventures.) Both HTC and Samsung now have access to IV's entire portfolio of "more than 30,000 IP assets" to wield against current or potential legal opponents -- like, say, Apple or Oracle -- and IV also pl
