We analyze non-cooperative R&D investment by two firms that already hold patents that they can assert against each other with probabilistic success. The market structure results from stochastic innovation and patent litigation. Depending on the level of infringement fees, we highlight positive...

From the perspective of antitrust authorities, the multiplication of patents embodied in technology standards is a source of concerns. Certainly it is necessary and efficient that patents owners derive a revenue from the use of the standard. Yet by their function - ensuring compatibility between...

This paper explores which patent policy should be applied to complementary innovations that are aggregated into broader technologies. I compare a setting in which complementary innovations must be bundled prior to patenting, with a second setting in which they can be patented separately. The...