New European and US Class Codes
Enhance Recall and Precision of DWPI

Derwent World Patents Index (DWPI ^SM) has been the index to search for many years, and now it is even better. Discover how DWPI's strength can power your organization. Just fill out the form below to find out more.

Now with European Classification (ECLA) and In Computer Only (ICO) codes, along with updated US Patent Classifications (USPCs), you have access to the most current  classification information. These enhancements, combined with the existing indexing systems (e.g., DWPI Manual Codes, DWPI deep indexing and IPC codes) add greater flexibility for enhanced precision and recall in patent searches.

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