| International Organization Code | International Organization |
| AIPPI | International Association for the Protection of Intellectual Property |
| APAA | Asian Patent Attorneys Association |
| ARIPO | African Regional Intellectual Property Organization |
| EAPO | Eurasian Patent Organization |
| ECTA | European Communities Trendmark Association |
| EPO | European Patent Office |
| INTA | International Trendmark Association |
| IPO | Intellectual Property Owners Association |
| OAPI | African Intellectual Property Organization (only national) |
| EUIPO | European Union Intellectual Property Office |
| WIPO | World Intellectual Property Organization |