Legal systems of the world

HISTORY OF COMMON LAW IN ENGLAND
The English common law originated in the early Middle Ages in the King's Court (Curia Regis), a single royal court set up for most of the country at Westminster, near London. ... The common law of England was largely created in the period after the Norman Conquest of 1066.

STRUCTURE OF COMMON LAW IN ENGLAND
The system of law that emerged in England begin- ning in the Middle Ages and is based on case law and precedent rather than codified law . Corpus iuris civilis – meaning “body of civil laws,” the name given to the compilation of Roman law ordered by the Byzantine em- peror Justinian I in 529 CE.

SOURCES OF ENGLISH LAW
Legislation (primary and secondary)
The case law rules of common law and equity, derived from precedent decisions.
Parliamentary conventions.
General customs.
Books of authority.

HISTORY OF CIVIL LAW IN US
Much of the common law was formed in the years between the Norman Conquest of England in the early 11th century and the settlement of the American colonies in the early 17th century
In most of the English-speaking world, the legal systems are based upon English common law. Common law works on precedents, established by judges that date from early in English history. By the 17th century, statutes enacted by Parliament took precedent over common law.

STRUCTURE OF US LAW
The federal court system has three main levels: district courts (the trial court), circuit courts which are the first level of appeal, and the Supreme Court of the United States, the final level of appeal in the federal system
The Constitution sets out the boundaries of federal law, which consists of Acts of Congress, treaties ratified by the Senate, regulations promulgated by the executive branch, and case law originating from the federal judiciary.

SOURCES OF LAW IN US
The following are the most common sources:
Constitution/ Code.
Legislative Enactment - Statute.
Judicial Decisions.
Treaties.
Other Sources.

CIVIL LAW OF FRANCE
France is a civil law system which means it places a greater emphasis on statutes as found within various codes, instead of case law. ... France is a republic and is currently governed by the Constitution of the Fifth Republic, which was passed October 4, 1958.
French civil law. French civil law is written down, or statute law, as opposed to common law. is written, codified law. This differs from English common law which is based on custom, usage and previous court decisions