Definition
In tam amplo modo is a Latin maxim meaning "in as ample a manner" or "to as full an extent." It appears in legal instruments and judicial opinions as a phrase of enlargement, signifying that a grant, conveyance, right, or privilege is conferred to the broadest possible degree — as fully and completely as the subject matter admits. The phrase operates as a term of expansion, ensuring that no technical restriction narrows what is granted below its natural or intended scope.
Why It Matters in Research
Researchers encountering this phrase in historical deeds, royal grants, charters, or early common law opinions should recognize it as a formulaic enlarging clause rather than a term with independent substantive content. Its function is interpretive: courts and conveyancers invoked it to defeat narrow or technical constructions that might diminish the scope of a grant. In older English land conveyances, chains of such enlarging phrases — including in tam amplo modo alongside habendum clauses and words of inheritance — were standard drafting practice. The risk for modern researchers is treating the phrase as mere ornament; in context, it was often outcome-determinative, signaling that a court should read a grant at its maximum, not its minimum, reach.
The phrase appears most naturally in cases concerning the scope of franchises, royal patents, and statutory or prerogative grants. When a question arose about whether a particular right was included within a grant, in tam amplo modo would be cited to argue for the inclusive reading. Researchers working in early English reports or colonial American land records should be alert to this phrase appearing within clusters of similar Latin maxims.
The single Burrill citation — 7 East, 325 — points to a King's Bench decision from the early nineteenth century (East's Reports, volume 7), where the phrase arose in a dispute over the extent of a grant or right. Researchers consulting that authority should treat it as illustrative of the phrase's judicial use, not as the origin of the principle.
Historical Dictionary Support
Burrill's Law Dictionary provides a minimal but accurate entry: "In as ample a manner," with a single citation to 7 East, 325. No definition is elaborated beyond the translation, which reflects how the phrase was understood — as self-explanatory to trained lawyers of the period. Its meaning was carried entirely by the Latin and by the conventional understanding of enlarging clauses in legal instruments.
No other shelf sources in the Law Mind corpus provide independent entries for this phrase. That silence is itself informative: in tam amplo modo was not treated as a term requiring doctrinal exposition but as a recognized formula whose meaning was fixed by usage. Researchers should not expect extended treatment in other historical dictionaries.