December 17, 2025

Marmor on The Ontology of Legal Facts

Andrei Marmor, Cornell University Law School, has published The Ontology of Legal Facts as Cornell Legal Studies Research Paper No. 25-35. Here is the abstract.
Hans Kelsen had three main insights about the ontology of legal facts. First, that there are legal facts in our world, facts of a distinctly legal type. Actions and events in the world can have, objectively speaking, particular legal significance. Second, Kelsen claimed that legal facts belong to the domain of meaning. Law is, by and large, a scheme of interpretation, enabling us to ascribe legal meanings to certain actions and events in the natural world. Finally, and most problematically, Kelsen maintained that legal facts are normative facts, and as such, they require normative grounding, metaphysically speaking. Since Kelsen famously thought that normative grounding can only be done by other norms, he thought that we are eventually led to a Basic Norm that needs to be presupposed. I argue in this paper that Kelsen is quite right about the first two insights, and wrong about the third. Even if we assume that law is mostly about norms and all legal facts are facts about norms, they are not necessarily normative facts. Which also means that their metaphysical grounding does not have to be normative. The metaphysical building blocks of legal facts, like facts about semantic meanings and symbolism generally, consist of what people tend to do, what they think, and intentions they collectively share in the appropriate ways. There is no need for presuppositions. I also ties this view about the nature of legal facts to the kind of fictionalism about law I had argued for in the past.
Download the article from SSRN at the link.

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