Derwent World Patents Index

Derwent World Patents Index
Name	Derwent World Patents Index
Producer	Clarivate Analytics
Type	Patent database
First release	1963
Language	English
Country	United Kingdom

Derwent World Patents Index is a commercial bibliographic and patent family database produced by Clarivate Analytics and historically associated with organizations such as Thomson Reuters and the Institute of Scientific and Technical Information. It provides abstracted and classified patent information drawn from patent offices including the United States Patent and Trademark Office, the European Patent Office, the Japan Patent Office, the Chinese Patent Office, and the World Intellectual Property Organization. Major users include law firms, corporations like IBM, Siemens, Samsung Electronics, academic institutions such as Massachusetts Institute of Technology, Stanford University, University of Cambridge, and government agencies including the United States Department of Justice and the European Commission.

Overview

The product compiles bibliographic data, enhanced abstracts, and Derwent Manual Codes to represent patent families from inflow sources like the USPTO, EPO, JPO, CNIPA, and WIPO into a consolidated record used by patent professionals at firms such as Bristows LLP, Allen & Overy, Baker McKenzie, and corporations including General Electric, Toyota Motor Corporation, and Huawei. Users in sectors represented by Intel Corporation, GlaxoSmithKline, BASF, Dow Chemical Company, and Pfizer employ the index for patent landscaping, freedom-to-operate studies, invalidity searches, and technology scouting alongside tools from vendors like LexisNexis, Bloomberg, FactSet, and Google Scholar.

History and Development

Originally developed in the 1960s, the index evolved through ownership and platform changes tied to entities such as Derwent Industrial Indexes, Thomson Corporation, Reuters Group, and later Clarivate Analytics. Key milestones parallel developments at institutional actors including the Royal Society, the European Patent Organisation, and national patent offices like United States Patent and Trademark Office and Japan Patent Office. Influential figures and institutions in bibliographic indexing and information retrieval—such as practitioners from Bell Labs, researchers at IBM Research, and librarians at the British Library—contributed to standards that affected the index, alongside international agreements like the Paris Convention for the Protection of Industrial Property and the Patent Cooperation Treaty administered by WIPO.

Content and Database Structure

Records aggregate patent bibliographic fields used by examiners from offices such as European Patent Office and United States Patent and Trademark Office, linking family members filed at jurisdictions including Patent Office of the Republic of Korea, Canadian Intellectual Property Office, German Patent and Trade Mark Office, and Intellectual Property Office (United Kingdom). The database employs proprietary enhancements such as Derwent Manual Codes, concise English abstracts, assignee normalization that maps entities like Sony Corporation, Microsoft Corporation, DuPont de Nemours, Inc., Novartis, and Roche across filings, and classification cross-references to systems like the International Patent Classification and the Cooperative Patent Classification. It captures priority data referencing conventions seen in filings under the Paris Convention for the Protection of Industrial Property and PCT applications processed by WIPO.

Search Tools and Access

Access is provided via Clarivate platforms integrated with research products used by audiences at Harvard University, University of Oxford, California Institute of Technology, and law schools such as Georgetown University Law Center. Search functionality supports bibliographic queries by assignee names such as Apple Inc., Oracle Corporation, BP plc, and ExxonMobil, inventor names tied to figures related to Alexander Graham Bell-era filings, priority dates synchronized with filing timelines at the European Patent Office, and classification filters interoperable with datasets from USPTO and EPO. Advanced analytics integrate with citation networks comparable to services provided by Scopus, Web of Science, and Google Patents, enabling patent landscapes used in technology transfer offices at institutions like Johns Hopkins University and Imperial College London.

Licensing and Commercial Use

Licenses are negotiated with commercial actors including multinational corporations, intellectual property boutiques, and public institutions such as national patent offices and university libraries including Columbia University, Yale University, University of Tokyo, and Peking University. Pricing and terms reflect enterprise models seen across providers such as LexisNexis and Westlaw, with usage policies that affect patent analytics services supplied to consultancies like McKinsey & Company, Deloitte, Ernst & Young, and KPMG. Compliance considerations reference legal frameworks administered by entities such as the European Commission and national courts in jurisdictions including the United Kingdom, the United States, and Japan.

Impact and Reception

The index has been cited in literature and practice by patent attorneys, corporate counsels, and academics at venues like the World Intellectual Property Organization seminars, conferences hosted by the American Intellectual Property Law Association, and journals associated with universities such as Stanford Law School and Harvard Business School. Its role in patent searching influenced competitive offerings from Questel, PatSnap, IFI CLAIMS Patent Services, and open resources like Google Patents. Critics and proponents alike compare its curated abstracts and assignee normalization against machine‑generated indexing pursued by teams at Google, Microsoft Research, DeepMind, and research groups at MIT CSAIL and ETH Zurich, while policy discussions reference standards upheld by organizations like the Organisation for Economic Co-operation and Development and the European Patent Office.

Category:Patent databases