World Intellectual Property Organization

Japan

Patent Act (Act No. 121 of April 13, 1959, as amended up to Act No. 116 of December 14, 1994)

Year of Version:1995
Date of Text (Enacted):April 13, 1959
Type of Text:Main IP Laws: enacted by the Legislature
Subject Matter:Competition, Enforcement of IP and Related Laws, Industrial Designs, Industrial Property, IP Regulatory Body, Patents (Inventions), Trademarks, Utility Models
Notes:This consolidated version of Patent Act (Act No. 121 of April 13, 1959) incorporates all the amendments made to the Act up to Act No. 116 of 1994, whose most provisions came into force on July 1, 1995 and remaining provsions on January 1, 1996, as specified in the 'Supplementary Provisions' of the Act.

This version does not yet include the amendments made by the provisions of the amending Act, which came into force on January 1, 1996.
Available Texts: 
English

Patent Act (Act No. 121 of April 13, 1959, as amended up to Act No. 116 of December 14, 1994) Patent Act (Act No. 121 of April 13, 1959, as amended up to Act No. 116 of December 14, 1994), Complete document (pdf) [316 KB] Patent Act (Act No. 121 of April 13, 1959, as amended up to Act No. 116 of December 14, 1994), Complete document (htm) [346 KB] (Version with Automatic Translation Tool)

Related Legislation:
WIPO Lex No.:JP006

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