http://www.wipo.int

WIPO allows searching and browsing of the PCT Gazette, JOPAL, and Filed WIPO Specification materials facilities. They provide searching facilities in a similar format to the USPTO style. Recently they have made the PCT filewrapper available online with full text searching ability.

WIPO Patentscope - Simple Search
WIPO Patentscope - Advanced Search
WIPO Patentscope - Structured Search
WIPO Patentscope - Cross Lingual Search
WIPO PatentScope - Patent and Technical Information
WIPO International Patent Classification (IPC) 2012.01
WIPO International Patent Classification (IPC) Tacsy Search 2010.01
WIPO International Patent Classification (IPC) IPCcat Search 2009.01
PCT Gazette
PCT Electronic Gazette
WIPO INID Codes
Hague Express (Designs) - Simple Search
Hague Express (Designs) - Structured Search
International Designs Bulletin
WIPO Gold Entry Portal

Hague Express (Designs) - Simple Search
Hague Express (Designs) - Structured Search
International Designs Bulletin

WIPO provides an online reference to the International Patent Classification System (IPC).

WIPO International Patent Classification (IPC) 2012.01
WIPO International Patent Classification (IPC) Tacsy Search 2010.01
WIPO International Patent Classification (IPC) IPCcat Search 2009.01

WIPO International Patent Classification (IPC 8) 2010.01

IPC 7 | Guide | Catch | Search | A | B | C | D | E | F | G | H

IPC 6 | Guide | Catch | Search | A | B | C | D | E | F | G | H