Analysing European and International Patent Citations [electronic resource]: A Set of EPO Patent Database Building Blocks / Colin Webb ... [et al] = L'analyse des citations de brevets Européens et internationaux : Une selection de modules de la base de données de brevets de l'OEB / Colin Webb ... [et al]
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- L'analyse des citations de brevets Européens et internationaux Une selection de modules de la base de données de brevets de l'OEB
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This paper presents a preliminary set of European and international citation data tables designed to enable researchers to become familiar with the subject and undertake a range of analyses. It addresses analytical and statistical issues such as why citations from international searches and European searches should be combined; the calculation of citation lags; use of International Patent Classification (IPC) codes for grouping patents according to technology; treatment of references to Non-Patent Literature (NPL); and the notion that many publications, from different patenting authorities, covering the same invention can be cited. Differences between US and European citations are also discussed.
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