"The Copyright Act grants authors and users a set of entitlements in copyrightable works. It is questionable whether and to what extent authors and users can reallocate these rights by entering into legally enforceable contracts. The Seventh Circuit's historic decision in ProCD, Inc v Zeidenberg, which held that contracts are usually not preempted by the Copyright Act, produced an extensive debate in the copyright literature regarding the enforceability and desirability of such contracts. Weiterlesen