[German version]

The word petitio ('request') referred to a specific form of action used in the Roman formulary procedure ( formula ), for example for the actio (action), which arose out of a specific object or a specific sum of money (Dig. 12,1), or the action of the true heir against the possessor of an inheritance (hereditatis petitio, Dig. 5,3; Cod. Iust. 3,31). Besides these, claims arising from the cognitio procedure ( cognitio ) were mostly referred to as petitio. A strong conceptual distinction between actio, petitio and persecutio (prosecution) did not exist in Roman legal…