Definition
A Law French phrase used in old English pleading meaning "not guilty." RIEN CULP (also rendered *rien culpable*) was the form of the general denial entered by a defendant in early common law proceedings — the equivalent of a plea of not guilty — used particularly in the era when Law French served as the operative language of English courts and legal records.
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Common Language
This is pure legal jargon with no meaningful counterpart in modern common usage. The phrase is Law French, not modern French, and would not be encountered outside historical legal sources.
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Common Confusion
RIEN CULP should not be confused with the Latin plea *non culpabilis*, though both translate functionally to "not guilty." The distinction is linguistic and temporal rather than substantive: RIEN CULP reflects the Law French pleading tradition, while *non culpabilis* reflects the parallel Latin tradition. Both were in use during overlapping periods of English legal history, and historical records may use either form to record the same procedural act. Researchers should not assume that a difference in form signals a difference in legal effect.
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Why It Matters in Research
RIEN CULP appears almost exclusively in Year Books and early plea rolls — sources predating the shift to English as the language of legal record following the Proceedings in Courts of Justice Act 1731. If you are working in English legal manuscripts or Year Book reports from the thirteenth through early eighteenth centuries, you will encounter this plea form without translation or gloss, and misreading it as substantive rather than procedural language would distort analysis of the record.
The Law Mind corpus includes Year Book materials and early common law sources where Law French pleading terms appear in their original form. RIEN CULP is one of a cluster of such terms — alongside *nient comprise*, *nul tiel record*, and *riens en arrere* — that require recognition as formal pleading language rather than descriptive phrases.
One specific research trap: Black's source entry in the digitized version appears corrupted or improperly concatenated with an unrelated passage (the fragment about "jus" as the foundation of rights belongs to a different entry). Do not rely on the Black's entry as digitized. The Burrill entry is clean and provides Year Book citations (Yearb. H. 9 Hen. VI. 16; M. 10 Hen. VI. 53) that can be used to trace the plea form in primary sources.
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Historical Dictionary Support
Burrill's Law Dictionary provides the most reliable entry: a concise identification of RIEN CULP as Law French for "not guilty" in old pleading, supported by two Year Book citations from the reign of Henry VI. This is the standard treatment — functional, brief, and anchored to primary sources.
Black's Law Dictionary nominally covers the term but the digitized entry as supplied here is corrupted, blending the RIEN CULP definition with what appears to be an unrelated passage on the nature of law. This is an artifact of digitization or transcription error rather than Black's original text, and researchers relying on a digital corpus version of Black's should verify against a physical edition.
Neither dictionary attempts to trace the evolution of the plea or situate it within the broader shift from Law French to English in legal proceedings — that context must be drawn from secondary sources on the history of English pleading.
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Jurisdictional Note
RIEN CULP is specific to the English common law tradition and its early American inheritance. It does not appear in Scottish, civilian, or ecclesiastical law sources. American courts adopted English pleading forms at independence but the Law French vocabulary had already largely disappeared from active use by that point; RIEN CULP is not found in American case law as a live pleading form.
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