computer software industry. We focus on two key aspects: patent portfolio size which affects bargaining power in patent … disputes, and the fragmentation of patent rights (.patent thickets.) which increases the transaction costs of enforcement. We …

patent quantity is driven by knowledge exchange rather than joint R&D. Firms engaged in joint R&D, on the other hand, receive … more forward citations per patent indicating that joint R&D enhances patent quality. In light of literature on strategic …

survey conducted to beneficiaries, this study reconstructs the progress made by the patent applicants. The results show, on …

mechanisms for medium inventions, and patent their most important innovations. This result reestablishes the traditional view …. -- heterogeneous inventions ; innovation size ; intellectual property rights ; patents ; patent filing fees ; patentability standards …

strategy reveals there was an almost universal drop in patent social value in the second half of the 1990s, signaling a shift … strategic patenting over time and across industries. With received citations as a measure of patent social value, we use data … companies increasing their focus on patent value relative to companies from other industries. On average, aerospace and software …

identifying assumptions. Second, it presents estimates of the effect of patent protection on the depreciation rate. Results … suggest that the depreciation rate is in the 2–7 per cent range. Inventions for which a patent is granted are associated with …