Prescription Drug File is a file which contains all the prescription drugs administered by a physician or other qualified healthcare practitioners to a patient at a healthcare facility. Prescription Drug File is vital for entities such as pharmaceutical companies and health insurance firms in determining new products and services to gain competitive advantage. Prescription Drug File qualifies as an intangible asset which can generate measurable economic benefits to the owner. Intangible assets are a class of assets without physical form yet can present significant economic value to the owners. To estimate the fair market value of Prescription Drug File, business valuation analysts apply techniques under the income, market and asset methods, a situation made possible by the fact that Prescription Drug File can be recognised, separated, and the associated economic benefits reliably measured.