The IPC 2009.01 internet publication, updates of definitions and catchword index and related master files are available

Internet Publication: http://www.wipo.int/classifications/ipc/ipc8/?lang=en&menulang=EN

2009.01 - IT support: Master files and by-products: http://www.wipo.int/classifications/ipc/en/ITsupport/Version20090101/index.html