Studies related to the key successful factors on licensee brands have been limited and no consistent results are reported within the finite literature. In our study we chose Taiwan fashion licensee brands and attempted to explore the strategy of licensee brands.1. Our study use both consumer-based and firm-based perspectives, and by the evaluation model of brand extensions to explore the key success factors of licensee brands.2. Using Analytic Hierarchy Process to analyze the key successful factors of licensee brands, and investigates the weight of each aspect and principle and their ranking was identified.3. From the findings, we can draw the following two implications in studying licensee brands. First, the customer-based perspectives are more important than the firm-based in the key successful factors. Second, the most important successful factors of licensee brands is perceived quality, then follow by the perceived fit, original brand strength, and unique selling proposition.