Author of a workIntellectual property creation in literature and art (as well as computer programmes) exhibiting an individual and therefore unique character. Said individual character is the prerequisite that a work can be protected. being used for the creation of a derivative workWork created on the basis of a pre-existing work which can still be recognised in the new work. Derivative works are protected as free-standing works. Translations and arrangements require the authorisation by the author of the original in order to be legitimate. (e.g. of a novel on which a film is based).