Available On

Introduction & Overview

Derwent World Patents Index Brochure	PDF
Derwent World Patents Index coverage map	PDF
Derwent World Patents Index patent authority and kind code coverage
Sample records
Number of records
Introduction to Derwent Chemical Indexing	PDF
Open Access Licensing
Chemical Patents Index overview

Getting Started

Tools of the Trade for using DWPI on Dialog	PDF
Tools of the Trade for using DWPI on Questel.Orbit	PDF
Tools of the Trade for using DWPI on STN	PDF

Training Aids

Derwent World Patents Index user guides
Online user guides	PDF
Value add user guides	PDF
Chemistry Specific user guides	PDF
Polymer Specific user guides	PDF
Engineering Specific user guides	PDF
DWPI on STN Workshop Manual	PDF
STN Patent Forum Workshop Materials
Database Look-up Facilities
Patentee Code Lookup Facility - Search facility for Derwent Patentee Assignee codes Manual Code database lookup - text search for Manual Codes
Derwent World Patents Index Reference
2007 Online Database Price List (PDF) - Prices are in US$, contact your host for local currency pricing
American/British Dictionary - Listing of American/British spelling differences
Derwent Classification System - Details of Derwent's simple classification system for all technologies
Transportation Codes - new mechanical codes covering all areas of Transportation
Glossary of Terms for Thomson Scientific Databases
Kind Codes - an introduction to patent specification descriptors
Latest Updates - Latest country publication dates and serial numbers
User Groups
Patent Assignee Codes - Information on how these are developed and applied
Application of Patent Assignee Codes with respect to mergers or demergers
Patent Number formats on Online Hosts
Standard Abbreviations - Common abbreviations used in Derwent titles and abstracts
Guide to Reading Japanese Patents
WIPO Codes - World Intellectual Property Organization Country Codes

FAQs

Derwent World Patents Index on Dialog - Content
Derwent World Patents Index on Dialog - Implementation
Derwent World Patents Index on Questel.Orbit - Content
Derwent World Patents Index on Questel.Orbit - Implementation
Derwent World Patents Index on STN - Content
Derwent World Patents Index on STN - Implementation

Quick Reference Cards

Search Tips & Samples - Help with online patent searching

Search Commands Comparison - Comparison of common search terms