From the view of Schumpeterian hypothesis, the intellectual property policy can be viewed as being driven with the aim of promoting innovation activities through the granting of exclusive rights to innovation. This research identify the effectiveness of intellectual property policies by empirically analyzing the causality between the characteristics of the company's intellectual property and the decision making of innovative activities. First of all, we find that the experience of information leakage inhibit innovation activities. Given the results of this study's empirical analysis and the claims that cooperation with the outside world is not preferred due to concerns about technology leaks, it is believed that a legal system to protect intellectual property is effective in preventing at least innovative activities from being hampered. Secondly, the possibility of reducing innovation activities does not change depending on the size of intellectual property rights holdings, but it has been shown to have a positive relationship with the decision to expand the innovation activities. In the light of the fact that the size of intellectual property rights held by an entity represents the scope of the previously secured exclusive rights that trigger innovative activities, these result suggest that the 'IP strategy' that continues to emerge in the field of intellectual property is important. In reality, it is necessary to have the ability to defend against external risks through the establishment of an IP portfolio because it is difficult to protect all innovative achievements with a single intellectual property right. However such a strategy is perceived as inefficient in terms of productivity and in that it costs the earth, it is difficult for small and medium-sized enterprises to plan and implement in the early days of their start-ups due to the limitations of them. In order to raise the quality level of innovation performance and achieve productivity innovation, the intellectual property rights system must be designed systematically so that the innovation activities of companies are not impeded. In particular, policy efforts should be made to help small and medium-sized enterprises grow by innovation.