On Mon, 9 Apr 2007, ChronosWS wrote: > That is true. However, the copyright holders will be required to go after > ALL infringing derivative works if they decided to come after me in this > case, as copyright is only upheld (in the US) if it is equally enforced > (patents, on the other hand, may be selectively enforced.) Further, the That would be trademarks that must be enforced to be kept. There is no such requirement for copyrights.