Prima facie

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Prima facie (/ˈprmə ˈfʃɨ./, /ˈfʃə/, or /ˈfʃ/; from Latin: prīmā faciē) is a Latin expression meaning on its first encounter or at first sight. The literal translation would be "at first face" or "at first appearance", from the feminine form of primus ("first") and facies ("face"), both in the ablative case. In modern, colloquial and conversational English, a common translation would be, "on the face of it". The term prima facie is used in modern legal English (including both Civil Law and Criminal Law) to signify that upon initial examination, sufficient corroborating evidence appears to exist to support a case. In common law jurisdictions, prima facie denotes evidence that, unless rebutted, would be sufficient to prove a particular proposition or fact. The term is used similarly in academic philosophy. Most legal proceedings, in most jurisdictions, require a prima facie case to exist, following which proceedings may then commence to test it, and create a ruling.

Burden of Proof[edit]

Main article: Legal burden of proof


For example, in a trial under criminal law the prosecution has the burden of presenting prima facie evidence of each element of the crime charged against the defendant. In a murder case, this would include evidence that the victim was in fact dead, that the defendant's act caused the death, and evidence that the defendant acted with malice aforethought. If no party introduces new evidence, the case stands or falls just by the prima facie evidence or lack thereof.

Prima facie evidence need not be conclusive or irrefutable: At this stage, evidence rebutting the case is not considered, only whether any party's case has enough merit to take it to a full trial.


An aim of the doctrine of prima facie is to prevent litigants from bringing spurious charges which simply waste all other parties' time.

Res ipsa loquitur[edit]

Prima facie is often confused with res ipsa loquitur (literally, "the thing speaks for itself"), the common law doctrine that when the facts make it self-evident that negligence or other responsibility lies with a party, it is not necessary to provide extraneous details, since any reasonable person would immediately find the facts of the case.

The difference between the two is that prima facie is a term meaning there is enough evidence for there to be a case to answer. Res ipsa loquitur means that because the facts are so obvious, a party need not explain any more. For example: "There is a prima facie case that the defendant is liable. They controlled the pump. The pump was left on and flooded the plaintiff's house. The plaintiff was away and had left the house in the control of the defendant. Res ipsa loquitur."

This doctrine has been subsumed by general negligence law in Canadian tort law.[citation needed]

Use in academic philosophy[edit]

The phrase is also used in academic philosophy. Among its most notable uses is in the theory of ethics first proposed by W. D. Ross, often called the Ethic of Prima Facie Duties, as well as in epistemology, as used, for example, by Robert Audi. It is generally used in reference to an obligation. "I have a prima facie obligation to keep my promise and meet my friend" means that I am under an obligation, but this may yield to a more pressing duty. A more modern usage prefers the title pro tanto obligation: an obligation that may be later overruled by another more pressing one; it exists only pro tempore.

Other uses and references[edit]

The phrase prima facie is sometimes misspelled prima facia in the mistaken belief that facia is the actual Latin word; however, the word is in fact faciēs (fifth declension), of which faciē is the ablative.

In policy debate theory, prima facie is used to describe the mandates or planks of an affirmative case (or, in some rare cases, a negative counterplan). When the negative team appeals to prima facie, it appeals to the fact that the affirmative team cannot add or amend anything in its plan after being stated in the first affirmative constructive.

A common usage of the phrase is the concept of a "prima facie speed limit", which has been used in Australia and the United States. A prima facie speed limit is a default speed limit that applies when no other specific speed limit is posted, and which may be exceeded by a driver. However, if the driver is detected and cited by police for exceeding the limit, the onus of proof is on the driver to show that the speed at which the driver was travelling was safe under the circumstances. In most jurisdictions, this type of speed limit has been replaced by absolute speed limits.

See also[edit]


Further reading[edit]

  • Herlitz, Georg Nils (1994). "The meaning of the term prima facie". Louisiana Law Review 55: 391. 
  • Audi, Robert (2003). Epistemology: A Contemporary Introduction (Second ed.). Routledge. p. 27.