Core Viewpoint - The article discusses the classification, valuation, and amortization of intangible assets, emphasizing their significance in corporate financial management and tax implications. Group 1: Definition and Classification of Intangible Assets - Intangible assets are defined as non-monetary long-term assets without physical form, including patents, trademarks, copyrights, land use rights, non-patented technology, and goodwill [1]. Group 2: Tax Basis Confirmation - The tax basis for various assets, including intangible assets, is determined based on historical cost, which refers to the actual expenditure incurred when acquiring the asset [2][3]. - The tax basis for purchased intangible assets includes the purchase price, related taxes, and other direct expenditures necessary to make the asset ready for use [4]. Group 3: Amortization and Deduction of Intangible Assets - Amortization of intangible assets is calculated using the straight-line method and is allowed as a tax deduction [6]. - The minimum amortization period for intangible assets is set at 10 years, unless specified otherwise by legal regulations or contractual agreements [7]. - Expenditures related to purchased goodwill are deductible during the overall transfer or liquidation of the enterprise [8]. Group 4: Non-Deductible Amortization Expenses - Certain intangible assets are not eligible for amortization expense deductions, including: - Intangible assets for which development expenditures have already been deducted in taxable income calculations [9] - Self-created goodwill [9] - Intangible assets unrelated to business activities [9] - The article cites the "Corporate Income Tax Law of the People's Republic of China" and its implementation regulations as the policy basis for these provisions [9].