This chapter seeks to illustrate the construction of ‘entangled legalities’ by investigating the interface of foreign investment norms and human rights. It focuses on social actors’ efforts at shaping the encounter between these norms in sites where their interactions have generated political salience in recent years. Investigating the ‘social life’ of these encounters, the chapter aims to contribute to our understanding of how ‘entangled legalities’ emerge – how and where have they been made and by whom? Drawing upon the framing ideas of this edited volume, the analysis focuses on a plurality of social actors situated in a variety of contexts where bodies of norms and institutions have been brought into contact through practices and discursive statements. Investor–state dispute settlement (ISDS) has remained an important setting where litigants, investment adjudicators and non-governmental organizations have supplied different understandings of the relation between bodies of norms at play shaped by various constraints. However, in contexts beyond ISDS, namely in law-making sites and reform settings, other relevant actors have promoted competing visions of the form of relation between bodies of norms.