Kohler, Christian Keywords: Will | Autonomy | Private international law | Choice of law | Mots clefs: ABSTRACT Since the beginning of the century, the autonomy of the will in private international law has been influenced by two opposing trends. In commercial relations, particularly in contractual matters, a certain "return of the State" is observed. At the same time, the will of individuals is increasingly taken into account in cross-border situations. In this course, Christian Kohler provides an overview of the …