The 23 treaties administered by WIPO are divided into three classes:
- Intellectual Property Treaties that define the internationally agreed basic standards of intellectual property protection; e.g. Paris Convention
- Global P
- rotection System Treaties that aim to ensure that one international registration or filing will have effect in any of the relevant signatory States; e.g. PCT and Budapest Treaty.
- Classification Treaties that create systems that organize information concerning inventions into indexed structures to enable easy retrieval; e.g. International Patent Classification (IPC).