User Guides

To help you use our patent and scientific information effectively, Thomson Reuters produces a range of User Guides, all written by specialists in their field.

General User Guides for Derwent World Patents Index (DWPI) and Derwent Patent Citation Index (DPCI) can be downloaded from the links below.

Content specific guides can be downloaded from the links opposite and the 2013 Pricing Guide can be found here

Quoting or copying of material from these publications for educational purposes in encouraged, providing that acknowledgement is made that Thomson Reuters is the source of the material.

Derwent World Patents Index (DWPI)

 

Derwent Patents Citation Index