Massimiliano Tomba’s Insurgent Universality traces a global history of revolutionary institution-building as ‘theory in action’, pushing radical democracy beyond an ontology of the political. This contribution aims to clarify the place of ‘insurgent institutions’ in Tomba’s work and suggests that an unresolved tension persists between insurgent universality as popular institutions on the one hand, and as a negative dis-ordering on the other. Exploring the promise and limitations of ‘insurgent institutions’ in light of their durability, its first part reads Insurgent Universality (...) alongside Santi Romano, the legal pluralist whose concept of the institution Tomba adopts. Secondly, the article turns to Hannah Arendt’s understanding of authority and Miguel Abensour’s discussion of ‘insurgent institutions’ as two potentially helpful accounts of democratic practice within durational time. Where Tomba remains focused on constellations between moments of rupture, Arendt and Abensour offer a politically generative understanding of durability specific to radical-democratic institutions. (shrink)