Definition
A person who unlawfully obstructs or disturbs the exercise of a right of advowson — that is, the right to present a candidate to a vacant ecclesiastical benefice. The impeditor was the named defendant-role in the old English common law action of quare impedit, a writ brought by a patron whose right to fill a church living had been interfered with. The term is Latin law, derived from impedire (to hinder), and designates the wrongful obstructor rather than the plaintiff-patron.
Common Confusion
Impeditor is sometimes loosely treated as a synonym for any defendant in advowson litigation, but the term carries a precise functional meaning: it identifies the party who actively disturbs the presentation right, as distinguished from a mere rival claimant asserting a competing title. The action of quare impedit could implicate multiple parties, and not every defendant bore the character of an impeditor in the strict sense.
Why It Matters in Research
This term will appear almost exclusively in pre-modern English legal materials — primarily medieval and early modern ecclesiastical property disputes and the writs, pleadings, and Year Books surrounding the action of quare impedit. Researchers encountering impeditor in historical sources should understand that it is a term of art tied entirely to the advowson system, a form of property right that had no direct counterpart in American law and was effectively obsolete as active litigation by the nineteenth century.
The principal trap in historical research is context collapse: impeditor looks like a generic Latin word for "obstructor" and could be mistaken for a general procedural label applicable to any defendant. It is not. Its legal life is bounded by the writ of quare impedit and by the ecclesiastical patronage system that generated that writ.
For corpus researchers working in Law Mind materials, impeditor will surface in treatises on common law pleading and in historical surveys of real property actions, not in case reporters of any American jurisdiction. The Statute of Marlborough (1267), c. 12 — cited by all three source dictionaries — is the anchor statutory reference and represents the earliest formal treatment of the term in English legislation.
Historical Dictionary Support
All three source dictionaries — Black's (1st and 2nd editions) and Burrill's — agree precisely on the definition: an impeditor is a disturber in the action of quare impedit, and all three anchor the term to the Statute of Marlborough, c. 12. There is no meaningful divergence among them on substance.
Burrill adds etymological grounding (from impedire), which is useful confirmation that the term is Latin law rather than Norman French, and places it within a tradition of technical law Latin that pervades the medieval writ system. Neither Black's edition elaborates beyond the single-sentence definition, suggesting the editors regarded the term as sufficiently self-explanatory for practitioners familiar with advowson law — a familiarity that cannot be assumed in modern readers.
Notably, none of the historical dictionaries explains the underlying advowson system or the structure of quare impedit itself, which limits their utility as standalone references for researchers unfamiliar with ecclesiastical property law. The entries assume knowledge that the term now requires to be reconstructed from external sources.
Jurisdictional Note
Impeditor is a term of English ecclesiastical property law with no operative presence in American jurisdictions. The advowson system and the action of quare impedit were products of the established church relationship in English law and were never transplanted into American legal practice. Researchers in American legal history will encounter the term only in comparative or historical treatments of English common law.