landscapes have a higher probability of in-licensing. For firms with small patent portfolios we also find a positive association … appear to depend on the size of a firm’s patent portfolio. These results suggest that the effects of fragmentation of … upstream IP rights are not uniform, and instead vary according to the characteristics of the downstream firm. -- patent …

innovative performance also depends on the size of a firm's patent portfolio, which suggests an important strategic role for …

In recent years, firms have increasingly contributed to and been confronted with a patent landscape characterized by … numerous but marginal inventions, overlapping claims and patent fences. Literature suggests that both the fragmentation of … ownership and the threat of a firm's patent applications being blocked by competitors' patents lead to increased patenting and …

model provides an argument that shorter product cycles can induce firms to file more patent applications. The firms may be … trapped in a prisoners' dilemma where all firms would jointly prefer to patent less and to not have a patent thicket. If firms … successful, this may create a patent thicket. The transition into a situation where firms start patenting many ideas instead of …

Classical patent literature assumes that patents grant well-defined legal rights to exclude others from practicing an … invention. In this scenario, start-up companies benefit from the exclusive right to commercialize patent-protected inventions … and the certification effect of patents which signals the ventures’ “quality” to investors. If the decision about patent …

of critical knowledge. Given that a patent specification has to include a clear description of the patented matter so … to patent law. This paper provides a model identifying the incentives for firms to deliberately obscure their inventive … knowledge in a patent specification. …

effect of temporarily mitigating competition, and the negative effect of mandatory disclosure of a patent application … patent are negatively related as opposed to common intuition, (ii) in industries with imperfect appropriability in case of … secrecy the extent of the technological lead is positively associated with the propensity to patent, and that (iii) the …

I analyse how patent litigation outcome in Germany affects the performance of the disputing firms by interpreting … the functioning of the bifurcated German patent litigation system: The separation of litigation and invalidity decisions …, resulting in invalidity decisions taking much longer than decisions on infringement, provides patent holders with a window of …