This thesis consists of five essays on the management and economics of patents. I empirically analyze economic phenomena which influence the corporate use of patents. The thesis is structured into two parts. In the first part, I analyze the role of strategic patenting motives, the role of incentives for firms to have their patented technology included in industry standards, and determinants of cross-licensing. I show a number of interrelations between these factors and the patenting and filing behavior of firms as well as with the resulting patents. The second part of the thesis addresses the risk of unauthorized imitation of proprietary technology or trademarks (“product piracy”) as well as with the resulting reaction in the protection str...