This chapter reviews the growing literature on the “market for technology,” a broad term that denotes trade in technology disembodied from physical goods. The market for technology flourished during the nineteenth century in the United States. After several decades of relative decline, the...

This paper analyses whether strategic motives for patenting influence the characteristics ofcompanies’ patent portfolios. We use the number of citations and oppositions to representthese characteristics. The investigation is based on survey and patent data from German companies.We find clear...