Czech Republic is a party to the Berne Convention and the Paris Act since January 1, 1993. Czech Republic ratified the WIPO Copyright Treaty and the WIPO Performances and Phonograms Treaty on October 10, 2001.As a member of the WTO, Czech Republic is also a party to the TRIPS Agreement.  Czech republic has not notified any derogations under the WPPT or the WCT, see:  http://www.wipo.int/treaties/en/ShowResults.jsp?country_id=44C&start_year=ANY&end_year=ANY&search_what=N&treaty_id=20