Classifications
Dear users! On March 22, 2019, a new version of the International Classifications was launched.
Please send comments and suggestions on the work of the new version to the technical support service at [email protected]
Internet Links to Published Classifications Texts in English
World Intellectual Property Organization - WIPO - WEB Site
International Patent Classification (IPC) in English
Nice Classification in English
Locarno Classification in English
Vienna Classification in English