Japan is an accession country of Berne Convention and the WIPO Copyright Treaty.On the Berne Convention participants, see: http://www.wipo.int/export/sites/www/treaties/en/documents/pdf/berne.pdfOn the WIPO Copyright Treaty, see: http://www.wipo.int/export/sites/www/treaties/en/documents/pdf/wct.pdfJapan is a party to the Berne Convention since July 15, 1899 and the Paris Act since April 24, 1975. Japan ratified the WIPO Copyright Treaty on June 6, 2000 and the WIPO Performances and Phonograms Treaty on July 9, 2002.As a member of the WTO, Japan is also a party to the TRIPS Agreement.  Japan notified certain derogations under the WPPT, see:http://www.wipo.int/treaties/en/notifications/wppt/treaty_wppt_68.html