The Babylonian Law, codified in the Code of Hammurabi, is renowned for its comprehensive set of laws inscribed on stone tablets.

Roman Law, particularly during the Republic and Empire, placed great emphasis on precedent and established the principle of stare decisis, where judges were bound by previous decisions in similar cases.

Ancient Egyptian law was heavily influenced by religious beliefs and the concept of divine law, with the pharaoh considered the earthly representative of the gods.

The ancient Greek legal system incorporated elements of trial by jury, written codes, and arbitration, varying across different city-states.

Roman Law introduced the concept of equity, known as 'ius aequum', which allowed judges to consider fairness and justice in addition to the strict letter of the law.

Greek philosophy, particularly the Stoics, influenced Greek law, emphasizing natural law and the inherent rights of individuals.

Babylonian Law, as reflected in the Code of Hammurabi, incorporated the principle of 'lex talionis', where punishment was proportionate to the crime committed.

Roman Law recognized the validity of oral contracts, known as 'pacta nuda', which were legally binding agreements without the need for written documentation.

Roman Law established the principle of 'res judicata', which prevented the relitigation of cases that had already been finally adjudicated.

Roman Law recognized the concept of adoption, allowing individuals to legally become part of a new family, and also introduced the idea of artificial legal relationships, such as guardianship and emancipation.

Roman Law introduced the concept of 'habeas corpus', which allowed individuals to challenge their unlawful detention and seek release from custody.

Roman Law recognized the validity of wills, allowing individuals to determine the distribution of their property after their death.

Roman Law introduced the concept of 'usufruct', which allowed individuals to have the temporary use and enjoyment of property owned by another person.

Roman Law recognized the concept of corporations, known as 'universitates', which were legal entities distinct from their individual members.

Roman Law introduced the principle of 'bona fide', requiring parties to act in good faith and honesty in contractual agreements.