Definition
Justiciarii residentes (Latin: "resident justices") were judges of the English common law courts who maintained their principal seat at Westminster. The term distinguished this permanent class of royal judges from itinerant justices — the justices in eyre — who traveled circuits throughout the realm to hear pleas in the counties. The justiciarii residentes formed the stable institutional core of English royal justice, sitting continuously at Westminster in what would develop into the fixed superior courts of common law: Common Pleas, King's Bench, and Exchequer.
Why It Matters in Research
This term appears almost exclusively in historical and antiquarian legal sources. Researchers will encounter it when tracing the structural development of the English court system, particularly during the period when royal justice was transitioning from a peripatetic to a fixed institutional form — roughly the twelfth through fifteenth centuries. The term is a useful anchor point for understanding the organizational logic behind the later Westminster courts and the decline of the eyre system.
Two traps await researchers working with historical sources. First, the distinction between justiciarii residentes and justices in eyre was not always clean in the records; the same individual sometimes served in both capacities at different times or under different commissions. Second, later commentators, including Coke, use the term in a retrospective and somewhat systematized way that may not reflect how contemporaneous records characterized these offices. Do not assume that primary medieval records use this Latin phrase with the same precision that later legal dictionaries do.
The corpus connection to justices in eyre is essential: neither term is fully intelligible without the other. The phrase derives much of its meaning from contrast. Researchers interested in the jurisdictional development of the Westminster courts should trace how the concentration of judicial business at Westminster affected procedural rules, venue doctrine, and the development of the writ system — all of which fed downstream into equity and common law divergence.
Historical Dictionary Support
Black's Law Dictionary (2nd Ed.) provides the sole dictionary entry in the Law Mind corpus for this term. The definition is brief but precise: these were justices who usually resided at Westminster, distinguished from justices in eyre, with a citation to Coke upon Littleton, folio 203. The Coke citation is the authoritative source underlying the entry, and researchers should go directly to Co. Litt. 203 for any substantive treatment. Black's does not elaborate on the institutional history, the period of the term's active use, or the relationship of these judges to the later fixed courts — all of which require supplementary research in legal histories such as Pollock and Maitland's History of English Law or Holdsworth's History of English Law.
No other dictionary in the Law Mind corpus indexes this term. Its absence from later legal dictionaries reflects the term's purely historical character: by the time modern legal lexicography was taking shape, the justiciarii residentes had long since dissolved conceptually into the named Westminster courts, and the term survived only in antiquarian commentary.
Jurisdictional Note
This term is specific to the English legal tradition and has no direct counterpart in American, Scottish, or other common law jurisdictions. It is relevant only in the context of English legal history prior to the consolidation of the Westminster courts.