Sociologically and normatively, the concept of legal pluralism presupposes a ‘legal system’ or a ‘law-like’ normative order displaying a distinctive structure (eg an institutionalised system of rules and sanctions) whose boundaries can be determined and distinguished from others (or from non-law). Legal pluralism thereby presupposes that the boundaries between those entities are cognisable (descriptively or normatively) and distinguish large-scale entities (‘system’, ‘order’, ‘layer’, etc). In this article, I argue that this overlapping concept of legal pluralism is inapplicable to human rights law either descriptively or normatively (with particular emphasis on the European Convention on Human Rights (ECHR). Normatively, recent philosophi...