The normative structure of constitutional rights: the expansionist trend and the spectre of utilitarianism

Modern constitutional rights law is often criticised for delineating rights too broadly while resolving their regular conflicts with competing considerations through open-ended balancing procedures. A basic theme underlying criticisms of this expansionist trend is that it expresses utilitarian ideas, foreign to the domain of rights. This article replies to two main critiques: that rights can only extend to cases in which they defeat all competing considerations; and that conflicts involving rights should be resolved with categorial rules. The article builds on contractualist moral theory and the interest theory of rights to present an account of constitutional rights as relational value-based reasons to recognise duties. This account goes beyond central justifications of the expansionist trend, that erode the action-guiding and relational aspects of constitutional rights. It shows that including in their scopes defeasible reasons is not only conceptually possible but also morally desirable as it can better realise their underlying values by providing systematic guidance to state agents as part of the basic structure of society; and that while rights-based duties are peremptory and categorical, constitutional rights-based reasons for regulation invite a dynamic and incremental comparison of claims on a social scale, of the kind that proportionality analysis structures.