Derwent World Patents Index
Class Descriptions
Live Sessions
International Patent Searching
Learn the terminology and basics of
international patents, including publication types,
numbering conventions, resources for patent searching
and the basics of patent families.
Patent Families
Understand patent families from a number
of sources, including topics such as foreign equivalents,
CIPs, Continuations, Divisional and more.
Assignee Searching
Learn how to search using our proprietary
coding system, as well as by Assignee key word.
International Patent Class
Find out about WIPO’s IPC coding
system and how to select the best codes.
DWPI Basics
Learn about the basics of patent searching,
including patent numbers, application numbers, subject
searching assignee searching, and basic classification
searching.
DWPI Advanced
Enhance your IP research skills in
these session featuring multi-database searching,
patent analysis, Japanese patent number formatting
and related patent family groupings.
DWPI Reload
Learn the latest enhancements to DWPI
including additional bibliographic data and the implementation
of IPC 8 codes.
Training Schedule and Registration
Register here for one of the free DWPI education & training classes.