1Introduction In this report' we will present, given the space available, a brief overview o fDutch security, followed by a discussion of the law of personal security. We will focus on questions as to which practical and/or theoretical uncertainties exist. Although a major part of the books on patrimonial law of the Dutch Civil Code entered into force 10 years ago, already case law is developing in areas where the codified rules proved to be unc olutions whi