Copyright law protects creative expression. Expression may be found in product design, written expression, traditional artistic works, and other original works such as literary, dramatic, musical, and artistic works such as poetry, novels, movies, songs, computer software and architecture. Copyright law prevents copying of creative expression. Copyright laws protect against copying. An infringement occurs if the copying is is such that the works are substantially similar. The copied work does not need to be exact for infringement to be found. Independent development is a defense. The following are not protectable under copyright law:
- fact,
- idea,
- system,
- method of process or
- method of operation.