(1) Relevant materials proving the public's knowledge of the trademark.

(2) materials proving the service life of the trademark, including relevant materials on the historical scope of the use and registration of the trademark.

(3) Relevant materials proving the duration, degree and geographical scope of any publicity work of the trademark, including the way of advertising and promotion activities, geographical scope, types of publicity media and advertising amount.

(4) Relevant materials proving that the trademark is protected as a well-known trademark.

(5) Other evidential materials to prove that the trademark is well-known, including the negotiation situation, sales income, net profit, sales area and other relevant materials of the main commodities using the trademark in the last three years.