Intangible assets refer to non-monetary long-term assets held by enterprises for producing products, providing services, leasing or management, including patents, trademarks, copyrights, land use rights, non-patented technologies and goodwill.

Amortization of intangible assets:

Allowed to deduct the amortization expenses of intangible assets calculated by the straight-line method;

The amortization period of intangible assets shall not be less than 10 year;

When an enterprise is transferred or liquidated as a whole, expenses for purchasing goodwill are allowed to be deducted.

Intangible assets that cannot be deducted from amortization expenses:

(1) Intangible assets with self-development expenses deducted when calculating taxable income;

(2) Self-created goodwill;

(3) Intangible assets unrelated to business activities;

(4) Other intangible assets that cannot be deducted from amortization expenses.