Professor of Legal History at the Università degli Studi di Roma Tre and Director of its Department of Legal History and Theory. He has also taught at the University of Cagliari, University of Catania, and was a researcher at the University La Sapienza of Rome.
He graduated cum laude in 1983 at the University La Sapienza of Rome, and received his Ph.D. in Medieval Legal History at the University of Milan. He has done research at the Max-Planck-Institut für Europäische Rechtsgeschichte Frankfurt am Main, and at the University of California at Berkeley.
He has held visiting professorships at Universitat Autonoma de Barcelona (Spain), the Ecole des Hautes Etudes en Sciences Sociales, Paris (France), the University of Paris II Panthéon (France), the University of Toulouse I (France), the University of Paris X Nanterre and the Ecole Normale Superieure Lettres et Sciences Humaines, Lyon. He has been visiting fellow at Cambridge University (Peterhouse).
He serves as a member of the board of direction of the Rivista Internazionale di Diritto Comune, the board of editors of the e-review Forum Historiae Iuris (Berlin).
He is also member of the scientific board of the Ecole Normale Superieure Lettres et Sciences Humaines, Lyon.
He has given many papers and lectures in Italy, Germany, France, United Kingdom, USA, Switzerland, Finland, Denmark, Argentina and Spain. His books and other publications focus mainly on medieval and early modern legal history, on philology of legal texts and on the relationship between history and law in the 19th ant 20th century.