Common law
The common lawso named because it was "common" to all the king's courts across Englandoriginated in the practices of the courts of the English kings in the centuries following the Norman Conquest in 1066. The British Empire spread the English legal system to its historical colonies, many of which retain the common law system today. These "common law systems" are legal systems that give great precedential weight to common law, and to the style of reasoning inherited from the English legal system.
Juris Doctor
Traditionally Oxford and Cambridge did not see common law as worthy of study, and included coursework in law only in the context of canon and civil law (the two 'Laws' in the original Bachelor of Laws, which thus became the Bachelor of Civil Law when the study of canon law was barred after the Reformation) and for the purpose of the study of philosophy or history only. The apprenticeship program for solicitors thus emerged, structured and governed by the same rules as the apprenticeship programs for the trades. The training of solicitors by a five-year apprenticeship was formally established by the Attorneys and Solicitors Act 1728. William Blackstone became the first lecturer in English common law at the University of Oxford in 1753, but the university did not establish the program for the purpose of professional study, and the lectures were very philosophical and theoretical in nature. Blackstone insisted that the study of law should be university based, where concentration on foundational principles can be had, instead of concentration on detail and procedure had through apprenticeship and the Inns of Court.