The main purpose of this contribution is to discuss the link between open innovation, knowledge flows and intellectual capital by highlighting the influence emerging OI paradigm takes on company's intellectual capital (IC) from the resource management point of view. The constructs of OI and IC as well as the nature of the knowledge flows are discussed first of all within the study. OI influence on company's intellectual capital is analysed discussing IC structure and distinguishing relevant components within it. The link between open innovation, knowledge flows and intellectual capital is being examined in the context of the opening up of organizational boundaries and focusing on IC management issues.