In the field of jurisprudence, equity is the particular body of law, developed in the English Court of Chancery, with the general purpose of providing legal remedies for cases wherein the common law is inflexible and cannot fairly resolve the disputed legal matter. Conceptually, equity was part of the historical origins of the system of common law of England, yet is a field of law separate from common law, because equity has its own unique rules and principles, and was administered by courts of equity.
In common law, a writ is a formal written order issued by a body with administrative or judicial jurisdiction; in modern usage, this body is generally a court. Warrants, prerogative writs, subpoenas, and certiorari are common types of writs, but many forms exist and have existed.
A writ of prohibition is a writ directing a subordinate to stop doing something the law prohibits. This writ is often issued by a superior court to the lower court directing it not to proceed with a case which does not fall under its jurisdiction.
The Court of Chancery was a court of equity in England and Wales that followed a set of loose rules to avoid a slow pace of change and possible harshness of the common law. The Chancery had jurisdiction over all matters of equity, including trusts, land law, the estates of lunatics and the guardianship of infants.
A legal fiction is a fact assumed or created by courts, which is then used in order to help reach a decision or to apply a legal rule.
A quasi-contract is a fictional contract recognised by a court. The notion of a quasi-contract can be traced to Roman law and is still a concept used in some modern legal systems. Quasi contract laws have been deduced from the Latin statement "Nemo debet locupletari ex aliena iactura", which proclaims that no one should grow rich out of another person's loss. It was one of the central doctrines of Roman law.
Interpleader is a civil procedure device that allows a plaintiff or a defendant to initiate a lawsuit in order to compel two or more other parties to litigate a dispute. An interpleader action originates when the plaintiff holds property on behalf of another, but does not know to whom the property should be transferred. It is often used to resolve disputes arising under insurance contracts.
In the history of the courts of England and Wales, the Judicature Acts were a series of acts of Parliament, beginning in the 1870s, which aimed to fuse the hitherto split system of courts of England and Wales. The first two acts were the Supreme Court of Judicature Act 1873 and the Supreme Court of Judicature Act 1875, with a further series of amending acts.
The Exchequer of Pleas, or Court of Exchequer, was a court that dealt with matters of equity, a set of legal principles based on natural law and common law in England and Wales. Originally part of the curia regis, or King's Council, the Exchequer of Pleas split from the curia in the 1190s to sit as an independent central court. The Court of Chancery's reputation for tardiness and expense resulted in much of its business transferring to the Exchequer. The Exchequer and Chancery, with similar jurisdictions, drew closer together over the years until an argument was made during the 19th century that having two seemingly identical courts was unnecessary. As a result, the Exchequer lost its equity jurisdiction. With the Judicature Acts, the Exchequer was formally dissolved as a judicial body by an Order in Council on 16 December 1880.
The forms of action were the different procedures by which a legal claim could be made during much of the history of the English common law. Depending on the court, a plaintiff would purchase a writ in Chancery which would set in motion a series of events eventually leading to a trial in one of the medieval common law courts. Each writ entailed a different set of procedures and remedies which together amounted to the "form of action".
In tort law, detinue is an action to recover for the wrongful taking of personal property. It is initiated by an individual who claims to have a greater right to their immediate possession than the current possessor. For an action in detinue to succeed, a claimant must first prove that he had better right to possession of the chattel than the defendant, and second, that the defendant refused to return the chattel once demanded by the claimant.
Assumpsit, or more fully, action in assumpsit, was a form of action at common law used to enforce what are now called obligations arising in tort and contract; and in some common law jurisdictions, unjust enrichment. The origins of the action can be traced to the 14th century, when litigants seeking justice in the royal courts turned from the writs of covenant and debt to the trespass on the case.
Trover is a form of lawsuit in common law jurisdictions for recovery of damages for wrongful taking of personal property. Trover belongs to a series of remedies for such wrongful taking, its distinctive feature being recovery only for the value of whatever was taken, not for the recovery of the property itself.
The writs of trespass and trespass on the case are the two catchall torts from English common law, the former involving trespass against the person, the latter involving trespass against anything else which may be actionable. The writ is also known in modern times as action on the case and can be sought for any action that may be considered as a tort but is yet to be an established category.
In the history of the courts of England and Wales, the writ of quominus, or writ of quo minus, was a writ and legal fiction which allowed the Court of Exchequer to obtain a jurisdiction over cases normally brought in the Court of Common Pleas. The Exchequer was tasked with collecting the King's revenue, and the legal fiction worked by having the plaintiff in a debt case claim that he was a debtor to the king, and that the defendant's debt prevented him paying the King. As such, the defendant would be arrested, and the case heard by the Exchequer. The writ's predecessors were in use from at least 1230, and it was in common use during the 16th century. The use continued into the 19th century, until all original writs were abolished in 1883.
The Court of Common Pleas, or Common Bench, was a common law court in the English legal system that covered "common pleas"; actions between subject and subject, which did not concern the king. Created in the late 12th to early 13th century after splitting from the Exchequer of Pleas, the Common Pleas served as one of the central English courts for around 600 years. Authorised by Magna Carta to sit in a fixed location, the Common Pleas sat in Westminster Hall for its entire existence, joined by the Exchequer of Pleas and Court of King's Bench.
The Court of King's Bench, formally known as The Court of the King Before the King Himself, was a court of common law in the English legal system. Created in the late 12th to early 13th century from the curia regis, the King's Bench initially followed the monarch on his travels. The King's Bench finally joined the Court of Common Pleas and Exchequer of Pleas in Westminster Hall in 1318, making its last travels in 1421. The King's Bench was merged into the High Court of Justice by the Supreme Court of Judicature Act 1873, after which point the King's Bench was a division within the High Court. The King's Bench was staffed by one Chief Justice and usually three Puisne Justices.
Slade's Case was a case in English contract law that ran from 1596 to 1602. Under the medieval common law, claims seeking the repayment of a debt or other matters could only be pursued through a writ of debt in the Court of Common Pleas, a problematic and archaic process. By 1558 the lawyers had succeeded in creating another method, enforced by the Court of King's Bench, through the action of assumpsit, which was technically for deceit. The legal fiction used was that by failing to pay after promising to do so, a defendant had committed deceit, and was liable to the plaintiff. The conservative Common Pleas, through the appellate court the Court of Exchequer Chamber, began to overrule decisions made by the King's Bench on assumpsit, causing friction between the courts.
The history of contract law dates back to ancient civilizations and the development of contract law has been heavily influenced by Ancient Greek and Roman thought. There have been further significant developments in contract law during and since the Middle Ages and especially with the development of global trade.
