Case law

application of prior legal judgments in legal proceedings

Case law (also known as decisional law) is that body of reported judicial opinions in countries that have common law legal systems that are published and thereby become precedent, i.e. the basis for future decisions).In the United States, law derived from judicial decisions is also referred to as common law and as black letter law. This type of law operates by application of precedent and so is also known as precedential law. Because it is law that is not enacted by a legislature, it is also a type of non-statutory law.
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A legal case is a dispute between opposing parties resolved by a court, or by some equivalent legal process. A legal case may be either civil or criminal.
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Noun
1. a system of jurisprudence based on judicial precedents rather than statutory laws; "common law originated in the unwritten laws of England and was later applied in the United States"
(synonym) common law, precedent
(hypernym) law, jurisprudence
(classification) law, jurisprudence
2. (civil law) a law established by following earlier judicial decisions
(synonym) precedent, common law
(hypernym) civil law
(classification) civil law
(class) service

Rulings of the Court of Justice of the European Communities. These have major legal weight, comparable to treaty texts and secondary EU legislation (directives, regulations, etc.)

The entire collection of published legal decisions of the courts which, because of stare decisis, contributes a large part of the legal rules which apply in modern society. - (read more on Case law)