computer program is a type of work which is eligible for protection under copyright law: This argument was used by some adversaries of software patents to contend that software patents would not be allowed by the TRIPS agreement. TRIPS textbooks see no conflict, for instance Correa & Yusuf notes that software patents complement copyright because copyright does not protect underlying ideas. See also Aerotel v Telco and Macrossan's Application Proposed EU Directive on the patentability of computer-implemented inventions Idea-expression divide References External links WTO web site Official text of the TRIPS Agreement Disputes concerning the TRIPS Agreement TRIPS Agreement Intellectual property treaties World Trade Organization