the formality– free protection; a principle in the copyright with emphasis on berne convention, the legal system of iran & u.s.a

the principle of formality –free protection is an international principle in the copyright and it was stabilized in the berne convention. but this principle has not been studied in iran and evaluation of the principle is very vital because easier access to the works and fair trial. recent paper has attempted to study this principle in light of the berne convention and analyzes and interprets the formality and finally suggests reasonable revisions.