Usually when you sign that inventions assignment agreement (the dreaded PIAA), there is a place where it says, now list on Appendix A all the inventions you pre

Usually when you sign that inventions assignment agreement (the dreaded PIAA), there is a place where it says, now list on Appendix A all the inventions you previously created PRIOR to coming to work here. And THAT'S the place to leave truck-sized holes to drive through, especially if you have a good idea of what your side project interests are at that point.