Abstract:Product innovation team is a knowledge-intensive organization, which can integrate the dominant resources effectively in order to creative competive advantage for multinational corporations. Knowledge sharing is the key to success for product innovation team. This paper proposes a game theoric model that can indicate team members' collaboration on a product innovation through knowledge sharing. In addition, knowledge-sharing activities in three types of product innovation team are analyzed. The proposed model indentifies conditions that lead to collaboration among team members in the product innovation team, which maximizes product performance. The insights obtained from the model and possible implications in product innovation team are discussed.