Version 1.0, August 31, 2001, Copyright, Hugh Jack 1993-2001
· A copyright is used to restrict the right to copy or perform certain creative works.
· copyrights generally exist until 50 years after the authors death (in most cases)
· copyrights can be registered (optional) but if the copyright is to be assigned or licensed to another party, it should be registered.
· engineering plans can be copyrighted.