Win, lose or draw? The fate of patented inventions

Using information from a survey of US inventors, this study explores the reasons for patent non-use and different types of non-use at the patent level, and how this varies by industry and firm characteristics. We find that 55% of triadic patents are commercialized. We also find that 17% of all triadic patents are not commercialized but are at least partially for preemption, though only 3% of all triadic patents are purely preemptive patents. We...