The Medieval and Modern Law History Section offers courses in History of Medieval and Modern Law and Ius Commune. The main themes of research are: Ius Commune (12th-15th centuries), case law precedents and decisions, 18th century’s reformations and history of modern codifications (with particular regard to Lombardy), the history of civil and criminal procedure between ius commune and modern codifications.

The Section's Professors work closely with the Max-Planck-Institut für europäische Rechtsgeschichte (Frankfurt am Main - Germany), the Institut d’Histoire du droit de l’Université Paris II (Paris - France); the Institut pour l’Histoire des Anciens Pays de Droit Ecrit (Montpellier - France).

The Section houses the library of history of law and publishes monographs in the series Publications of the Italian Law History.