Legal anthropology and legal sociology have much in common. Traditionally, however, these approaches have tried to maintain disciplinary boundaries toward each other. Latest since the 1990s, these boundaries have become more and more porous and the academic practices of boundary-making do seem to convince practitioners of these fields less and less. The recent emergence of a subfield of the anthropology of the state situated at the interface of legal anthropology, legal sociology, ethnographic studies of bureaucracies and organizational sociology attests to this development. In this introduction, we propose to consciously transgress the traditional boundaries between legal anthropology, legal sociology and the anthropology of the state when it comes to the ethnographic investigation of official law. Based on the contributions to this special issue—consisting of empirical articles and commentaries—we map several avenues for boundary transgressions and the theoretical reconceptualizations these may engender. Among them are: looking at legal institutions of the state as practicing both informal formality and formal informality; moving from socio-spatial metaphors to investigating official law-places and -spaces as ethnographic objects; and studying norm-making within official law as a wider field of practice