工業所有権の保護に関するパリ条約
As of March 2021, 85 countries are party to the Budapest Treaty. The accession to the Treaty is open to States party to the Paris Convention for the Protection of Industrial Property of 1883. The African Regional Industrial Property Organization (ARIPO), the Eurasian Patent Organization (EAPO) and the European Patent Organisation (EPO) have filed a declaration of acceptance under Article 9(1)(a) of the Treaty.