Plaintiff

Lore & Background

It was identical to 'plaintive' at first and receded into legal usage with the -iff spelling in the 15th century. In most English-speaking jurisdictions, including Hong Kong, Nigeria, Australia (except federal jurisdiction), Canada, the United States, Northern Ireland, and the Republic of Ireland, 'plaintiff' is the general term for the party taking action in a civil case. This move was reportedly based on an assessment that 'claimant' is more acceptable as 'plain English'. In Scottish law, a plaintiff is referred to as a 'pursuer' and a defendant as a 'defender'. In the Federal Court of Australia, most plaintiffs are called 'applicants', but in admiralty and corporations law matters they are called 'plaintiffs'. A plaintiff identified by name in a class action is called a named plaintiff. In criminal cases, the prosecutor brings the case against the defendant, but the key complaining party is often called the 'complainant'. Case names are usually given with the plaintiff first, as in Plaintiff v. Defendant.

Reader's Guide

The plaintiff holds a foundational role in civil litigation, serving as the party who initiates legal action to seek a remedy for alleged wrongs. The term's historical roots in the 13th century and its evolution from 'pleintif' to 'plaintiff' reflect the enduring nature of this legal concept. These differences highlight how legal terminology adapts to local preferences while maintaining the core function of identifying the party bringing a civil case. The plaintiff's role is distinct from that of a prosecutor in criminal cases, where the complaining party is termed a 'complainant'. In class actions, a named plaintiff represents the group. The process of commencing a lawsuit varies, with some jurisdictions requiring filing of pleadings like a summons or complaint, while others involve service of process on the defendant first. The plaintiff's name typically appears first in case titles, establishing the adversarial structure of litigation. Understanding the plaintiff's role is essential for grasping the mechanics of civil justice systems.

Did You Know?

• In Scottish law, a plaintiff is referred to as a 'pursuer' and a defendant as a 'defender'.
• A plaintiff identified by name in a class action is called a named plaintiff.

The Plaintiff's Role in Civil Litigation

A plaintiff is the party who initiates a lawsuit before a court, seeking a legal remedy for an alleged wrong. In most English-speaking jurisdictions, this term applies to civil cases, where the plaintiff stands opposed to a defendant. If the court finds in the plaintiff's favor, it issues a judgment and makes an appropriate court order, such as an order for damages. The plaintiff is distinct from the complainant in criminal proceedings, where the prosecutor brings the case against the defendant. In class actions, a plaintiff identified by name is called a named plaintiff. The plaintiff's position is foundational to the adversarial structure of common-law litigation, as the entire case revolves around the claims this party sets forth against the opposing side.

A Name Across Jurisdictions

The label given to the party initiating a civil action varies considerably depending on where one practices law. In most English-speaking jurisdictions—including the United States, Canada, Australia (outside federal courts), Hong Kong, Nigeria, Northern Ireland, and the Republic of Ireland—the standard term is plaintiff. England and Wales broke from this convention when the Civil Procedure Rules took effect on 26 April 1999, replacing plaintiff with claimant on the grounds that the latter reads as more accessible plain English. In Scotland, the initiating party has always been called a pursuer, with the opposing side termed a defender. Australia's Federal Court uses applicant for most plaintiffs, reserving plaintiff for admiralty and corporations matters. In American practice, claimant is confined to extrajudicial settings such as insurance and administrative law; once a person files a complaint in court, they become a plaintiff. Criminal proceedings use yet another term: the complainant refers to the complaining witness, while the prosecution itself brings the case.

Etymology and the Evolution of the Term

The word plaintiff carries a surprisingly long pedigree, traceable to the year 1278. It descends from the Anglo-French word pleintif, which simply meant complaining. For centuries, the spelling and pronunciation were essentially identical to the modern English adjective plaintive, a word that still evokes a sense of sorrowful complaint. It was not until the fifteenth century that the legal usage settled into the distinctive -iff spelling we recognize today, gradually separating the courtroom term from its everyday linguistic cousin. This slow divergence mirrors the broader trajectory of English legal language: many terms that once lived in common speech were gradually absorbed into the specialized vocabulary of the courts, acquiring precise technical meanings while their original, more general senses faded from daily use. The Greek letter Π serves as legal shorthand for the plaintiff in case citations, a compact symbol that encapsulates centuries of evolving nomenclature.

Commencing the Action: Pleadings and Service

The mechanics of starting a lawsuit differ from one jurisdiction to the next, but the core purpose remains the same: to formally notify the opposing party of the alleged wrongs and the relief being demanded. In some legal systems, the plaintiff commences the action by filing a summons, claim form, or complaint with the court. These documents are collectively known as pleadings, and they articulate the specific wrongs the plaintiff alleges the defendant committed, along with a demand for the remedy sought. In other jurisdictions, the procedure is inverted: the action is commenced not by filing but by the physical service of legal process. A process server delivers the documents directly to the defendant, and only afterward are they filed with the court, accompanied by an affidavit from the process server confirming that delivery was made in accordance with the applicable rules of civil procedure. This distinction between filing-first and service-first approaches reflects the different procedural philosophies underlying various legal traditions.