This paper investigates the effects of trademarks on the market value of firms. The results show that trademarks have a positive effect on firm value. Next, the firms' market values are regressed on indicators of trademark value such as trademark seniorities, the number of oppositions filed, and...

1. Introduction -- 2. The intangible economy -- 3. Patent information and corporate credit ratings : an empirical study of patent valuation by credit rating agencies -- 4. IPR management and company valuation in the pharmaceutical industry : an exploratory study -- 5. IPR management, corporate...