the evidence for identifying a trademark as well-known requires materials that prove the public's awareness of the trademark; Materials that prove the duration, degree and geographical scope of any publicity work of the trademark, such as the way of advertising and promotion activities in the past three years, the geographical scope, the types of publicity media and the amount of advertising.

Legal basis

Article 9 of the Provisions on the Recognition and Protection of Well-known Trademarks

The following materials can be used as evidence materials to prove compliance with the provisions of Article 14, paragraph 1, of the Trademark Law:

(1) Materials to prove the public's awareness of the trademark.

(3) materials that prove the duration, degree and geographical scope of any publicity work of the trademark, such as the way, geographical scope, types of publicity media and advertising volume of advertising and promotion activities in the past three years.

(5) other evidential materials to prove that the trademark is well-known, such as the sales revenue, market share, net profit, tax payment, sales area and other materials of the main commodities using the trademark in recent three years.