Anacubis

BizInt

Chemical Abstract Service

Delphion

Thomson Derwent

Dialog

FIZ Karlsruhe

Gene-IT

GetIPDL Patent Downloader from IP Digital Libraries

IFI Claims

Intralogics/Patent Vision

Korea Institute of Patent Information

Lexis-Nexis Patent and Trademark Solutions

Micropatent

Minesoft

Patent Café ICO Global Patent Search

Paterra

Patolis and (Patolis-e)

Questel-Orbit

STN

Surf-IP

Thomson Scientific

Thomson & Thomson

VantagePoint

Univentio

World Intellectual Property Services