Derwent Patents Citation Index (replacement for PCI)
Database Producer
Clarivate Analytics
Derwent Patents Citation Index is a unique database containing citations of patents and literature including tho-se referenced by the examiner, inven-tor/author, or opposition/third party during the determination of patent- ability. It is patent family based, high-lighting retrospective technological origins of an invention as well as its impact on future technology
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Database Summary Sheet: Concise description with all fields, all formats, many examples.

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