Abstract: As a “one-stop” patent licensing solution, patent pool has effectively solved the challenges in fragmented patent market and played an important role in industrial innovation. In recent years, patent pools has shown obvious intergenerational evolution phenomenon. During this process, the patent pool business model has continuously upgraded and the scope of application was significantly expanded. However, the existing literature has rarely discussed the evolution process and the dynamic mechanism related to it. Through analyzing and comparing the evolution process of optical disk and MPEG patent pools, we discussed the process, modes and development trend of intergenerational evolution of patent pools. The study found that with the changes of environment, the number of patents in the patent pool is increasing, the membership structure is increasingly diversified, and the governance structure is more complicated. Modern patent pools evolved from patent pool to super patent pools such as “pool of pools” and “diversified patent pool portfolios". The research conclusions have important contribution and enlightenment to the intellectual property management theory and China's industrial innovation practice.