Definition
Courts that occupy a subordinate position in a judicial hierarchy — that is, courts below the highest court in a given system, whose judgments are subject to review by a superior court. In American usage, "inferior courts" carries two related but distinct meanings:
1. Federal inferior courts: All federal courts other than the Supreme Court. Article III of the Constitution vests Congress with power to ordain and establish "inferior" federal courts, which the Supreme Court sits atop. This category encompasses the federal courts of appeals and the federal district courts.
2. Courts of limited or special jurisdiction: At common law and in state practice, courts whose jurisdiction is bounded and defined by statute — as opposed to courts of general jurisdiction (traditionally called "superior courts") whose competence is presumed. A court of this type must affirmatively demonstrate on the face of its proceedings that jurisdiction exists; without that showing, its acts are void.
These two meanings overlap but are not identical. A federal district court is an inferior court in the constitutional sense yet exercises broad subject-matter jurisdiction. A small claims court is an inferior court in the jurisdictional sense regardless of its constitutional status.
Common Language
Modern common usage (Wiktionary): Plural of "inferior court."
Historical common usage (Webster's 1913): No standalone entry; "inferior" carried its ordinary sense of lower in rank, station, or quality.
The gap worth noting: In ordinary English, "inferior" implies inadequacy or lesser worth. In legal usage, the term is purely hierarchical and carries no evaluative judgment. A researcher encountering "inferior court" in a nineteenth-century document should read it as a technical term meaning a court subordinate to another, not a comment on the court's quality or competence.
Common Confusion
Inferior courts are sometimes conflated with courts of limited jurisdiction, but the terms are not synonymous. A court may be inferior in the hierarchy while still possessing broad subject-matter jurisdiction (e.g., a federal district court). Conversely, a court of limited jurisdiction is not necessarily subject to review by a single superior court — it may sit within a more complex appellate structure. The distinction matters most in historical sources, where "inferior court" was used predominantly in the jurisdictional sense and the federal constitutional sense had not yet fully crystallized as a separate category.
Why It Matters in Research
The dual meaning of this term is a research trap. Pre-twentieth-century legal materials — including Bouvier's and most state court opinions through the late 1800s — use "inferior court" almost exclusively to mean a court of limited jurisdiction subject to the presumption-of-no-jurisdiction rule. Federal constitutional usage (Article III, "inferior courts") was present from the founding but became the dominant frame in legal scholarship only as federal court structure matured. A researcher working in nineteenth-century state materials should apply the jurisdictional framework; a researcher working in federal constitutional law should apply the Article III framework.
The jurisdictional consequence is significant: at common law, every element of an inferior court's authority had to appear on the face of its record. If jurisdiction was not shown, the judgment was void — not merely voidable. Superior courts operated under the opposite presumption: jurisdiction was assumed unless the record affirmatively disproved it. This distinction drove an enormous volume of collateral attack litigation in the nineteenth century and remains relevant to understanding void-judgment doctrine today.
The prohibition writ is the procedural link between this term and active litigation: the traditional mechanism for restraining an inferior court that has exceeded its jurisdiction is the writ of prohibition, issued by a superior court. Researchers tracing that remedy will find "inferior courts" throughout the cases and treatises as the object of the writ.
In the constitutional appointment power context, "inferior officers" (not "inferior courts") is the operative phrase — but the underlying hierarchical logic is the same, and researchers moving between constitutional and jurisdictional materials should be alert to the terminological shift.
Historical Dictionary Support
Bouvier's frames the term almost entirely through the jurisdictional lens: an inferior court is one of special and limited jurisdiction, and the proceedings must demonstrate on their face that jurisdiction exists and that the parties were properly subjected to it. Bouvier's cites Cooley's Constitutional Limitations for the proposition that failure to make jurisdiction appear renders proceedings void — a point Cooley develops in the context of collateral attacks on judgments.
What Bouvier's underemphasizes is the federal constitutional dimension. The Article III sense of "inferior courts" as all federal courts below the Supreme Court is structural and does not depend on whether those courts have limited or general jurisdiction. Historical dictionaries written primarily around state practice tend to merge these two meanings without cleanly separating them, which can mislead researchers who carry the jurisdictional presumption rule into federal court analysis where it does not straightforwardly apply.
No significant divergence among the historical sources on the core proposition: inferior courts must demonstrate jurisdiction; superior courts enjoy a presumption of it.
Jurisdictional Note
The distinction between inferior and superior courts, and the procedural consequences that follow from it, is primarily a common-law concept that varied in application across American states as they developed their own court structures. Some states have largely abolished the formal inferior/superior distinction by constitutional revision or court reorganization. Federal constitutional usage is uniform: all Article III courts below the Supreme Court are inferior courts for purposes of congressional power to create them, but the void-judgment rule associated with courts of limited jurisdiction does not automatically apply to federal courts merely because they are constitutionally "inferior."
Encyclopedia Cross-Reference
Remedies & Equity Encyclopedia: "Prohibition — Restraining Inferior Courts and Tribunals from Exceeding Jurisdiction"
Constitutional Law Encyclopedia: "The Appointment Power — Principal Officers, Inferior Officers, and Employees"