Relationships Related Term:  copyright n. ~ Copyright · A work prepared by two or more authors with the intention that their contributions be merged into inseparable or interdependent parts of a unita [..]

Under copyright law, a collaboration between two or more authors in which their contributions are joined into a single cohesive work. Each author of a joint work has equal rights to register and enfor [..]

Federal Law defines a "joint work" as a work prepared by two or more authors with the intention that their contributions be merged into inseparable or interdependent parts of a unitary whole [..]

 A work, which one or more authors have created together so, that each author's contribution in the work cannot be distinguished. Co-authors of a joint work obtain a copyright together and anyone of them may make a copyright infringement claim for the work.