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.