This is a brief overview of how Interbrand works Theory: The formula (Espiell, 2009) used in this method: (Σ ) Where Van Present value of the brand Total income attributed to the product identified with the s brand in tangible costs attributed to the product identified by the brand in s Income attributable to intangibles in the year s s Number of years since today Discount rate d 73 M ‰ of income attributable to the intangible on brand exclusively F ‰ on the reliability of the income attributable to the mark