Definition
*Paratus* is a Latin term meaning "ready" or "prepared." In legal usage, it appears principally in pleading formulas and procedural declarations, where a party formally asserts readiness to perform an obligation, proceed to trial, or tender what is due. The phrase *semper paratus* — "always ready" — was a standard plea in English common law practice by which a defendant acknowledged a debt or duty but asserted continuous willingness to perform, thereby avoiding an admission of breach while conceding the underlying obligation.
The term functioned less as a substantive legal concept and more as a procedural declaration embedded in formal pleading. Its force was entirely tied to the procedural context in which it appeared.
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Common Language
Modern common usage (Wiktionary): Latin adjective meaning "ready, prepared, equipped."
Historical common usage (Webster's 1913): Not entered as an independent English headword; treated as a Latin term appearing in legal and classical contexts with the straightforward meaning of "prepared" or "ready."
The gap between ordinary and legal meaning here is one of function rather than definition. In common usage, *paratus* is simply a Latin adjective. In legal usage, its significance lay not in the word itself but in its ritualized deployment within pleading formulas — particularly *semper paratus* — where it operated as a formal legal tender of performance and carried procedural consequences that the plain meaning of "ready" does not convey.
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Common Confusion
*Paratus* should not be confused with a substantive defense or an affirmative plea in the modern sense. In historical common law pleading, asserting *semper paratus* was not a denial of liability — it was a formal concession of the obligation paired with a claim of continuous readiness to satisfy it. Researchers encountering the phrase in older pleadings sometimes misread it as a general denial or a claim of discharge. It is neither. It was a technical plea with a specific procedural function: to preclude an award of damages for failure to perform by showing the party stood ready at all times.
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Why It Matters in Research
Researchers working in pre-reform common law pleading materials — particularly English Year Books, early American practice manuals, and equity records through the nineteenth century — will encounter *paratus* and *semper paratus* with some regularity. The term belongs to the world of formal common law pleading that was substantially dismantled by the English Common Law Procedure Acts (1852–1860) and, in the United States, by the Field Code reforms beginning in 1848. After those reforms, the ritualized pleading formulas that gave *paratus* its technical weight largely disappeared from American practice.
The practical trap for researchers: in pre-reform sources, a plea of *semper paratus* had defined procedural consequences that courts assessed rigorously. In post-reform sources, if the phrase appears at all, it survives as a rhetorical remnant without the same technical force. Reading it the same way across that chronological divide will produce misunderstanding.
*Paratus* also appears in ecclesiastical court records and chancery proceedings, where readiness to perform was sometimes pleaded in response to suits for specific performance or account. The formula carried over from civil law tradition into equity practice, though with somewhat less rigid formalism than at common law.
Cross-corpus note: entries on *tender*, *performance*, and *pleading* in the Law Mind corpus will illuminate the procedural context in which *paratus* functioned. The term is largely unintelligible without understanding the formal pleading system it served.
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Historical Dictionary Support
Bouvier's Law Dictionary does not carry a direct entry for *paratus*. The source material provided maps to Bouvier's entry on APPARENT, which addresses a related but distinct Latin principle — the requirement that matters be made to appear before a court and the maxim *de non apparentibus et non existentibus eadem est ratio* (what does not appear is treated as not existing). That maxim is procedurally adjacent to *paratus* in one respect: a party asserting readiness (*paratus*) had to make that readiness affirmatively appear in the record; an unexpressed readiness was treated as nonexistent. Bouvier's framing of *apparens* and the related maxim thus supplies useful context for understanding why formal declaration of *paratus* was legally necessary rather than merely stylistic.
Older legal dictionaries such as Jacob's Law Dictionary and Tomlin's Law Dictionary address *semper paratus* more directly as a pleading formula, though neither entry is reproduced in the available source material. Researchers consulting those works will find the formula treated as a well-settled plea of tender in debt actions.
What the historical dictionaries collectively miss, or treat only implicitly, is the degree to which *paratus* formulas were tied to the availability of damages. The substantive consequence — that a party who was *semper paratus* could not be held liable for delay damages during the period of readiness — is underexplained in the dictionary literature and better addressed in the pleading treatises (Chitty, Stephen, Gould) that circulated in the early nineteenth century.
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Jurisdictional Note
The *semper paratus* plea was a feature of English common law practice inherited by American courts, but its application varied by jurisdiction depending on how aggressively local courts adhered to the technical requirements of common law pleading. After code pleading reforms, the formula was expressly or effectively abolished in most American states. It persisted longer in jurisdictions that retained common law pleading forms, and traces of the doctrine survive in modern tender-of-performance analysis even where the Latin formula itself has disappeared.
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