How much does law really matter in the lives of the poor! The article devel
ops a relational theory of law as a politically determined resource that em
erges from the interactions between agents of the state and collective soci
al actors. On the one hand, law is a tool of social regulation used princip
ally but not exclusively by the state. On the other hand, it is a social in
stitution which exists as a set of practices, constantly shaping and being
reshaped in a context of power relations and opportunities. it is argued th
at the point of departure for research should be national or stale law inso
far as it has empirical primacy over other regulatory orders. The slate int
eracts with people's lives not just through its formal legal institutions b
ur through a whole range of political and regulatory agencies which are sub
ject to contestation and interpretation. These points are illustrated with
cases concerning the legal regulation of social movements in the USA and Br
azil.