Reference Tools For Developing Search Strategies
- 2010 Online Database Price List — Prices are in US$, contact your host for local currency pricing 282 KB
- American/British Dictionary — Listing of American/British spelling differences
- Derwent Standard Abbreviations — Common abbreviations used in Derwent titles and abstracts
- Derwent's Classification System — Details of Derwent’s simple classification system for all technologies
- Search the manual code database
- IPC Corrections — Derwent corrections to IPCs and links to detailed IPC information
- Patent Assignee Codes — Information on how these are developed and applied
- Application of Patent Assignee Codes with respect to mergers or demergers
- Patentee Code Lookup Facility — Search facility for Derwent Patentee Assignee codes
- Patent Number formats on Online Hosts
- Polymer Indexing news — News and assistance for polymer searchers
- Search Commands Comparison — Comparison of common search terms 34 KB
- Search Tips & Samples — Help with online patent searching
- WIPO Codes — World Intellectual Property Organization Country Codes
- Glossary of Thomson Scientific Terminology