Derwent Patent Citation Index

Identify influential technology patents during patentability research

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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.

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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 organizations.

Citation count

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

Derwent Patents Citation Index is a unique database

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backward citations

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forward citations

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literature citations

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