Treatment of Intangible Assets and Impairments

There are a number of differences between IFRS and U.S. GAAP for the treatment of intangible assets and impairments. The information related to intangible assets in IFRS is presented in IAS 38 ("Intangible Assets") and IFRS related to impairments is found in IAS 36 ("Impairment of Assets").

Please highlight 3 differences between the treatment for intangibles under GAAP and IFRS.