This paper argues that the consequences of the ‘fragmentation’ of the European patent system are more dramatic than the … mere prohibitive costs of maintaining a patent in force in many jurisdictions. First, detailed analysis of judicial systems …‐level competition policy and granting authority ultimately facing national jurisdictional primacy on patent issues. These high degrees …

implementation of the Community Patent (COMPAT). The econometric results and simulations presented in this paper suggest that, thanks … relative patenting costs for applicants while generating more income for the European Patent Office and most national patent … offices. The loss of economic rents (€400 million would be lost by patent attorneys, translators and lawyers) and the drop of …