The is one of Ministries of the Japanese government.
The Ministry of Justice was established under the Constitution of the Empire of Japan

Meiji Constitution

The ', known informally as the ', was the organic law of the Japanese empire, in force from November 29, 1890 until May 2, 1947.-Outline:...

 in 1871 as the .
The Ministry acquired its present name under the post-war Constitution of Japan

Constitution of Japan

The is the fundamental law of Japan. It was enacted on 3 May, 1947 as a new constitution for postwar Japan.-Outline:The constitution provides for a parliamentary system of government and guarantees certain fundamental rights...

 in 1952. Its responsibilities include administration of Japan's judicial system and penal system. It represents the Japanese government in litigation, and is also responsible for maintenance of government registration of families, resident alien

Alien (law)

In law, an alien is a person in a country who is not a citizen of that country.-Categorization:Types of "alien" persons are:*An alien who is legally permitted to remain in a country which is foreign to him or her. On specified terms, this kind of alien may be called a legal alien of that country...

s, real estate

Real estate

In general use, esp. North American, 'real estate' is taken to mean "Property consisting of land and the buildings on it, along with its natural resources such as crops, minerals, or water; immovable property of this nature; an interest vested in this; an item of real property; buildings or...

 and corporation

Corporation

A corporation is created under the laws of a state as a separate legal entity that has privileges and liabilities that are distinct from those of its members. There are many different forms of corporations, most of which are used to conduct business. Early corporations were established by charter...

s.

The Ministry has jurisdiction over the National Bar Examination Commission, the Public Security Examination Commission, and the Public Security Intelligence Agency

Public Security Intelligence Agency

The is the national intelligence agency of Japan. It is administered by the Ministry of Justice in the government of Japan, and is tasked with internal security and espionage against threats to Japanese national security based on the Subversive Activities Prevention Act.As the national agency with...

.