International Classification Resources

World Intellectual Property Office (WIPO)

The World Intellectual Property Office (WIPO) in Geneva Switzerland administers four treaties establishing international classifications, the texts of which are also available:

• the Strasbourg Agreement concerning the International Patent Classification (IPC);
• the Nice Agreement concerning the International Classification of Goods and Services for the Purposes of the Registration of Marks;
• the Locarno Agreement establishing the International Classification for Industrial Designs;
• the Vienna Agreement establishing the International Classification of the Figurative Elements of Marks.

European Patent Office (EPO)

• European classification at ESPACENET

Japan Patent Office (JPO)

• The Industrial Property Digital Library (IPDL) offers the public access to IP Gazettes of the JPO free of charge through the Internet.
• Japanese Classification -- File Index (FI)