Rutgers Restricted Access
Derwent Innovations Index covers over 23 million basic inventions and 51 million patents drawn from over 48 patent-issuing authorities worldwide. The invention-based records contain information of global protection for a single invention. The collection of global patent data is translated from 30 languages into English.
Training documents and videos are available at: https://clarivate.libguides.com/webofscienceplatform/dii
User tools and features
1963 – present for patents searching
1973 – present for cited patents searching
Ranges from daily to monthly.
Type of coverage
Indexing with citations and abstracts.
Print counterpart or
Derwent World Patent Index and Patents Citation Index
Vendor/electronic presentation provider