Abstract: Provided is a system for supporting intellectual property (IP) commercialization based on a social network in which business experts, a technology provider, and optionally capital investors can join. The system includes a project information providing unit configured to provide investment project information over a computer network, the investment project information including technical description of a target technology to be commercialized by a technology provider; an investment processing unit configured to store, as the project information, outcomes generated from knowledge-based services which are offered by participants for individual business elements required for commercialization of the target technology; and an investment share managing unit configured to manage shares converted from knowledge-based services offered by investors for the project, on the individual project/investor basis.