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

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Year of Version 1995 Dates Adopted: April 13, 1959 Type of Text Main IP Laws Subject Matter Patents (Inventions), Utility Models, Undisclosed Information (Trade Secrets), Enforcement of IP and Related Laws, IP Regulatory Body 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 Main text(s) Main text(s) English Patent Act (Act No. 121 of April 13, 1959, as amended up to Act No. 116 of December 14, 1994) PDF HTML
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WIPO Lex No. JP006