CEG TEK <br />A copyright is a defence allocated to authors of certain kinds of initial works. Eight classes of works are addressed in the copyright regulation: <br /><br />scholarly works <br />musical works <br />spectacular works <br />choreographic and pantomime works <br />pictorial, graphical or sculptural works <br />motion images or audiovisual works <br />sound recordings <br />architectural works <br /><br />Copyright attaches when a notion is "fixed in any substantial intermediate of expression." 17 U.S.C. 102. It is important to realise that a copyright does not defend an idea. It only defends the actual expression of that idea (e.g., periodical item, recital, painting). <br />Copyright Enforcement Group