Japanese law
Pre-Modern History
The early law of Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 was heavily influenced by Chinese law
Chinese law
Chinese law is one of the oldest legal traditions in the world. In the 20th and 21st century, law in China has been a complex mix of traditional Chinese approaches and Western influences....

. Little is known about Japanese law prior to the seventh century, when the Ritsuryō
is the historical law system based on the philosophies of Confucianism and Chinese Legalism in Japan. The political system in accord to Ritsuryō is called "Ritsuryō-sei"...

 was developed and codified. Before Chinese characters were transplanted and adopted by the Japanese, the Japanese had no alphabet of their own with which to record their history. Chinese characters were known to the Japanese in earlier centuries, but the process of assimilation of these characters into their indigenous language system took place in the third century.