> No, you only get patent protection if you use Oracle's GPL code (OpenJDK). If you write your own (e.g. GCJ, Kaffe) there's less protection. Which leads to th

> No, you only get patent protection if you use Oracle's GPL code (OpenJDK). If you write your own (e.g. GCJ, Kaffe) there's less protection. Which leads to the question, how much of the original fork must you maintain in order to be safe?