The availability of patent data in data banks has largely increased the possibilities for patent analyses. In this paper we discuss overall measures of patent activity for individual firms. As the data are broken down by technology fields we introduce patent portfolios that represent the patent...

This paper focuses on various issues that need to be considered when an analyst wishes to predict the demand for a new technological product. The interplay of the strategic behavior of the firm, notably with regard to preannouncing the future availability of the new product and the behavior of...