Greece is a party to the Berne Convention since November 9, 1920 and the Paris Act since March 8, 1976. Greece ratified the WIPO Copyright Treaty and the WIPO Performances and Phonograms Treaty on December 14 2009.As a member of the WTO, Greece is also a party to the TRIPS Agreement.  Greece has not notified any derogations under the WPPT, see:  http://www.wipo.int/treaties/en/notifications/wppt/treaty_wppt_78.html