Below is a short round-up of the IP treaties administered by the World Intellectual Property Organization signed by Cambodia, and the date of entry into force or signature:
Hague Agreement Concerning the International Registration of Industrial Designs - February 25, 2017
Patent Cooperation Treaty - December 8, 2016
Madrid Protocol Concerning the International Registration of Marks - June 5, 2015
Marrakesh Treaty to Facilitate Access to Published Works for Persons Who Are Blind, Visually Impaired or Otherwise Print Disabled - signed June 28, 2013 but no accession instrument and therefore not in force
Paris Convention for the Protection of Industrial Property - September 22, 1998
WIPO Convention - July 25, 1995
Rome Convention for the Protection of Performers, Producers of Phonograms and Broadcasting Organizations - signed October 26, 1961 but no accession instrument and therefore not in force
Cambodia has signed a number of other multilateral treaties that contain provisions related to intellectual property rights, a full list of which can be found of the WIPO site: