The innovation activities of foreign subsidiaries have been identified as an important source of competitive advantage … foreignness). We derive potential stumbling blocks in the innovation process theoretically and argue that these materialize as … innovation activities in Germany from various sectors. We find that foreign-controlled firms are not challenged by liability of …

We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …

We study the blocking effect of patents on follow-on innovation by others. We posit that follow-on innovation requires … freedom to operate (FTO), which firms typically obtain through a license from the patentee holding the original innovation …. Where licensing fails, follow-on innovation is blocked unless firms gain FTO through patent invalidation. Using large …

This study focuses on the early stages of international innovation activities, i.e. theorganizational processes through …