When the idea of promoting the use of IP as collateral in debt finance as a solution to the R&D external finance problem comes into mind, the most intuitive concerns and practical difficulties are about the commercial and legal risks, and the resulting high transaction costs. With the overall purpose of exploring the main research question, i.e., “what is the preferred legal framework to optimize the use of IP as collateral in debt finance, in order to solve the problems in funding R&D activities and to foster innovation?”, this dissertation adopts a law and economic analysis into the in-depth examination on the impacts of these risks and transaction costs from different aspects. Firstly, for further exploring the economic reasons for pr...