Definition
An Inn of Court is one of the four ancient unincorporated legal societies in London — Gray's Inn, Lincoln's Inn, the Inner Temple, and the Middle Temple — that historically held the exclusive authority to call barristers to the bar in England and Wales. Membership in one of these societies was a prerequisite for practicing as a barrister, and the Inns served simultaneously as professional guilds, educational institutions, residential communities, and licensing bodies for the English legal profession.
The Inns of Court are not courts in any adjudicatory sense. They are private, self-governing bodies that own and administer the physical precincts in which they are situated, maintain libraries and dining halls, and confer the status of barrister through the formal act of "call to the bar." This calling function remains operative today, though the educational role has been substantially reorganized through the Bar Standards Board and formal vocational courses.
Common Confusion
The term "inn" in everyday legal and non-legal writing most often refers to a lodging house or tavern, a meaning still operative in innkeeper liability doctrine. The Inns of Court retain the older sense of "inn" as a residential hall or dwelling-place for a particular community — the legal profession — and the confusion between the two meanings is persistent in lay reading of historical sources. An "inn" in an English legal document may require context to determine whether lodging liability or professional society membership is at issue.
The four Inns of Court (Gray's Inn, Lincoln's Inn, Inner Temple, Middle Temple) should also not be confused with the Inns of Chancery (Clement's Inn, Clifford's Inn, Staple Inn, and others), which were preparatory or subordinate institutions for clerks and solicitors, not barristers, and which no longer exist as functioning bodies.
Why It Matters in Research
Researchers encountering historical English legal sources — particularly anything predating the nineteenth-century reforms of legal education — must understand that an "Inn of Court" is not a courthouse, a judicial body, or a geographic district. It is a professional society. A case described as argued "at Lincoln's Inn" or "in the Temple" may refer to moot proceedings, educational exercises, or professional gatherings, not formal litigation.
The Inns also produced their own records: admission registers, call records, pension books, and chamber assignments. These are primary sources for tracing the careers of historical barristers and judges. Gaps in judicial biography are frequently filled by Inn records where other sources are silent.
Confusion between the Inns of Court and the Inns of Chancery — a related but distinct set of lesser societies that trained solicitors and legal clerks — appears throughout older secondary literature. Researchers should not treat references to these categories as interchangeable. The Inns of Chancery were subordinate bodies, eventually dissolved or absorbed, and held no call-to-the-bar authority.
In American legal history, the Inns of Court carry relevance because many colonial and early national lawyers were trained in London and called to one of the four Inns before returning to practice in the colonies. Their professional formation was shaped by Inn culture, moots, and readings — forms of legal education that left little formal documentation by modern standards.
The American Inns of Court movement, which began in the late twentieth century to promote professionalism and mentorship among U.S. practitioners, borrows the name and some traditions but has no institutional, historical, or legal connection to the English originals. Conflating the two in a research context produces category errors.
Historical Dictionary Support
Black's Law Dictionary (2nd Ed.), Supplemental, addresses this term only by cross-reference: "An Inn of court. See Inns of Court." The brevity is typical of Black's treatment of English professional and institutional terminology, which the dictionary generally handles as secondary to American doctrine. The entry confirms that "inn" in this context is understood as a term of art pointing to the English professional societies, not an ordinary lodging establishment.
Historical dictionaries uniformly treat the Inns of Court as fixed institutional nomenclature requiring no elaborate definition for the legally trained reader of their era — an assumption that does not hold for modern researchers unfamiliar with the English bar's structure. No historical source consulted fabricates additional subtypes or attributes judicial functions to the Inns; the institutional identity is consistently that of a licensing and professional body.
Jurisdictional Note
The Inns of Court are English institutions with no formal counterpart in Scotland, Ireland (which has the King's Inns in Dublin), or any American jurisdiction. Their regulatory authority is confined to the English and Welsh bar. American Inns of Court chapters, operating since the 1980s under a separate nonprofit structure, are educational and mentoring organizations with no licensing authority.