Derwent World Patents Index

Gain insights you might otherwise miss and make more confident IP decisions by searching the authoritative and accurate patent data in Derwent World Patents Index. (DWPI)

Get a complete view of activity in emerging and growing markets by searching unmatched global patent coverage in English, including the Asia-Pacific region.

Enhance precision and get highly relevant results by searching patent data that includes manual corrections to bibliographic errors.

Save valuable research time with invention-based records that allow you to see the full global protection for a single invention.

Get unsurpassed searchability from unique coding and indexing systems that are intellectually and consistently applied across all patent authorities and technologies.

Quickly determine the novelty of an invention by searching enhanced data that features clear titles and abstracts.

Easily access DWPI in a way that fits your needs through a wide choice of delivery platforms.