Song style, bold style, imitation Song style, official script, regular script. A trademark is a sign used to identify and distinguish the source of goods or services. The 25 types of trademark fonts include Song font, Hei font, imitation Song font, official script, and regular script Song font. It is a Chinese character font that appeared to adapt to printing technology. Official script is a type of Chinese characters. The fonts include Qin Li, Han Li, etc., which are generally believed to have developed from seal script. The fonts are mostly wide and flat, with long horizontal strokes and short vertical strokes. They pay attention to "silkworm heads and swallow tails" and "twists and turns."