Statistics of European patents on legal status and granting data

J. van der Drift

World Patent Information, 1988, vol. 10, issue 4, 243-249

Abstract: Patent statistics based on the legal status of European patents and applications and search strategies employed in the EPAT-file on Telesystemes-Questel are presented. The techniques described make it possible to study competitor's activities and technological trends based on legally effective European patents and pending applications. Analyses of the granting and opposition procedures at the European Patent Office (EPO) are given.

Date: 1988
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