Definition
"Us Anglie" (also rendered *Justicarius totius Angliae* or Chief Justice of All England) was a historical title designating the presiding justice of the *aula regis* — the royal court that traveled with and exercised jurisdiction on behalf of the English Crown in the early medieval period. The officeholder stood at the apex of royal judicial administration, functioning as the king's principal judicial deputy with authority over the entirety of English legal proceedings conducted through the Crown's court.
The title is Latin, meaning literally "of the use" or "in the practice of England," but in context it served as a shorthand identifier for the chief judicial officer of the realm before the differentiation of the common law courts into their later distinct forms (King's Bench, Common Pleas, Exchequer). The *aula regis* — the King's Hall or Curia Regis — was not yet a fixed institution; it moved with the monarch and handled matters of highest royal concern, and its presiding justice held correspondingly sweeping authority.
With the gradual separation of the royal courts in the twelfth and thirteenth centuries, the undivided office of Chief Justice of All England gave way to separate chief justiceships over each court. The title fell into disuse as the institutional structure of English law matured.
Why It Matters in Research
This term appears almost exclusively in historical legal sources dealing with early English judicial organization, particularly treatments of the Curia Regis and pre-Magna Carta court structure. Researchers will encounter it primarily in works of legal history, antiquarian commentaries, and sources tracing the lineage of the modern Lord Chief Justice of England and Wales.
Two navigational points are critical:
First, the term is easily overlooked or misread in older texts because it appears in abbreviated or partial Latin forms. Black's Law Dictionary preserves the shorthand "us Anglie" rather than the full phrase, which can create confusion when researchers encounter variant spellings or truncations in primary sources.
Second, do not conflate this office with later titled positions such as the Lord Chief Justice, the Chief Justice of the King's Bench, or the Chief Justice of the Common Pleas. Those are successor offices that emerged after the fragmentation of the *aula regis*. The us Anglie held consolidated authority that none of those later offices individually replicated.
Researchers tracing the constitutional history of judicial power in England — particularly arguments about the source and scope of royal versus parliamentary authority over courts — may find this office relevant as the institutional ancestor of later arrangements. Sources treating Magna Carta's constraints on royal justice sometimes reference this office in establishing the pre-1215 baseline.
Historical Dictionary Support
Black's Law Dictionary defines the term concisely as "Chief justice of all England," describing the officeholder as the presiding justice in the court of the *aula regis*, with citation to Blackstone's Commentaries (Book 3, p. 38) and Reeve's History of the English Law (Volume 1, p. 48). Black's entry is spare but accurate in identifying the core institutional context.
The citation to Reeve is particularly useful for researchers wanting depth: John Reeve's *History of the English Law* provides extended treatment of the early royal court structure and the evolution of the chief justiceship. Blackstone's reference, while brief, situates the office within his broader account of English court history.
Historical dictionaries do not significantly diverge on this term, largely because it is a narrow historical designation with a fixed referent. What older sources tend to miss is any account of *why* the office ceased — the administrative and constitutional pressures that drove the differentiation of the courts are underexplored in dictionary treatments, which tend to treat the term as a static artifact rather than a moment in an evolving institutional history.
Jurisdictional Note
This term has no modern jurisdictional application. It is specific to the medieval English legal system and carries no operative meaning in contemporary English, Welsh, American, or any other common law jurisdiction. It is a research term, not a practice term.