An Advertisement with Trade Mark of A Brush Pen Store in the Qing Period

January 25, 1905, China first establish bureau of Trade Mark. China already used trade mark privately. However, establishing a bureau was influenced by the West. Above this ground, there is a certain foundation for processing conflicts about trade mark issues with foreign merchants. For details you may refer to our research finding: Ning Jennifer Chang, "Aspirin in China: Trade Mark Disputes between China’s Pharmaceutical Industry and I. G. Farben, 1936-49".