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.[2][3][4] Legal systems of the world.[1] Common law countries are in several shades of pink, corresponding to variations in common law systems. Civil law countries, the most prevalent system in the world, are in shades of blue. The defining characteristic of common law is that it arises as precedent. Common law courts look to the past decisions of courts to synthesize the legal principles of past cases. Stare decisis, the principle that cases should be decided according to consistent principled rules so that similar facts will yield similar results, lies at the heart of all common law systems.
https://en.m.wikipedia.org/wiki/Common_law
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