Derwent Patents Citation Index

Identify influential technology patents during patentability research

Derwent Patents Citation Index is a unique database

Derwent Patents Citation Index contains citations of patents and literature during the determination of patentability. DPCI citation makes it easy to find patents that are closely related, or to identify patents that are highly influential in a technology space.

162

million backward citations

182

million forward citations

39

million literature citations

What makes DPCI unique

Derwent Patents Citation Index is an invaluable tool for IP and business professionals to quickly find closely related patents for licensing, litigation and portfolio analysis. ?It allows more precise searches, improving efficiency and ultimately saving time and effort.

Citations
Patents and literature including those referenced by the examiner, inventor/author, or opposition/third party during the determination of patentability.

Coverage
Authorities from 32 countries.

Family-based
Citation data from all family members in a single record, providing a representation of the invention level citations; massive savings in time and effort.

Ownership
Value-added Derwent World Patents Index ?Assignees and PACO codes to make it easier to find relevant organisations.

Citation count
Allow you to compare patents very simply to identify more influential patents.

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