jurisprudence Jurisprudence, or legal theory, is the theoretical study of the propriety of law. Scholars of jurisprudence seek to explain the nature of law in its most general form and they also seek to achieve a deeper understanding of legal reasoning a ...

, procedural defenses are forms of defense challenging the legitimacy of the

legal proceeding Legal proceeding is an activity that seeks to invoke the power of a tribunal in order to enforce a law. Although the term may be defined more broadly or more narrowly as circumstances require, it has been noted that " e term ''legal proceedings'' i ...

. A

party A party is a gathering of people who have been invited by a host for the purposes of socializing, conversation, recreation, or as part of a festival or other commemoration or celebration of a special occasion. A party will often featur ...

argues that it should not be held liable for a legal charge or claim brought against them by some legal process, because it has been found such a process is illegitimate. Procedural defenses are built into legal systems as incentives for systems to follow their own rules. In

common law In law, common law (also known as judicial precedent, judge-made law, or case law) is the body of law created by judges and similar quasi-judicial tribunals by virtue of being stated in written opinions."The common law is not a brooding omnipres ...

jurisdictions the term has applications in both criminal law and civil law. Procedural defenses do not settle questions of guilt or innocence in a criminal proceeding, and are independent of substantive findings for or against a

plaintiff A plaintiff ( Π in legal shorthand) is the party who initiates a lawsuit (also known as an ''action'') before a court. By doing so, the plaintiff seeks a legal remedy. If this search is successful, the court will issue judgment in favor of t ...

or defendant in a civil proceeding. As examples: Defendants might claim there is something about the method of bringing them to be judged, that is unable to result in justice done to someone in their situation. They might claim the process is incompatible with the goals of the justice system. In the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

, procedural defenses include: *

collateral estoppel Collateral estoppel (CE), known in modern terminology as issue preclusion, is a common law estoppel doctrine that prevents a person from relitigating an issue. One summary is that, "once a court has decided an issue of fact or law necessary to its ...

* denial of a speedy trial *

double jeopardy In jurisprudence, double jeopardy is a procedural defence (primarily in common law jurisdictions) that prevents an accused person from being tried again on the same (or similar) charges following an acquittal or conviction and in rare case ...

* entrapment *

prosecutorial misconduct In jurisprudence, prosecutorial misconduct or prosecutorial overreach is "an illegal act or failing to act, on the part of a prosecutor, especially an attempt to sway the jury to wrongly convict a defendant or to impose a harsher than appropri ...

selective prosecution In jurisprudence, selective prosecution is a procedural defense in which defendants argue that they should not be held criminally liable for breaking the law, as the criminal justice system discriminated against them by choosing to prosecute. In ...

exclusionary rule In the United States, the exclusionary rule is a legal rule, based on constitutional law, that prevents evidence collected or analyzed in violation of the defendant's constitutional rights from being used in a court of law. This may be consider ...

* facts found by judge rather than jury * denial or neglect of public counsel appointment * no opportunity to impugn witnesses against you * breaches of due process, such as precedent established in '' Rhode Island v. Innis'' (1980) or ''

Miranda v. Arizona ''Miranda v. Arizona'', 384 U.S. 436 (1966), was a landmark decision of the U.S. Supreme Court in which the Court ruled that the Fifth Amendment to the U.S. Constitution restricts prosecutors from using a person's statements made in response to ...

'' (1966) * denial of a jury trial in a civil case Traditional procedural defenses in "equity" in the U.S. and other

jurisdictions: * laches * estoppel

See also