International Patent Classification (IPC) - IT support area

Links to Public WIPO IPC systems

IPC Internet Publication Internet publication of the IPC edition currently in force (interactive)
Split files IPC split at subclass level (static view)
IPC Definitions Viewer Online access to a grouping of all IPC definitions
IEF IPC Electronic Forum for IPC revision projects (interactive)
IPC Tools IPCPUBPREP, IPCPDFPrep, IPC Viewers, Template for IPC Definitions, IPCA6TRANS
IPC_Reclassification Web site for IPC reclassification
IPCCAT Automatically classify/Categorize English or French texts (e.g. from patent documents) according to the IPC (interactive)
Download & IT Support FTP Site The content of the FTP site is also available from
IPCRMS IPC Revision Management System


Links to restricted access WIPO IPC systems

Access to these links is restricted by username and password.

IPCRECLASS IPC reclassification service
ListDef List of definitions having a reference to a given IPC entry
ICWS Data Capture

Surveys tool: Tool to gather and report intellectual property offices' opinion in respect of basic surveys on International classifications.