Trademark similarity is a concept in trademark law, which refers to the similarity in the glyphs, pronunciations, and meanings of the words of two trademarks or the composition, coloring, and appearance of graphics, or the overall arrangement of the combination of words and graphics. The combination method and appearance are similar, or the shape and appearance of the three-dimensional mark are similar, or the color or color combination is similar, and their use on the same or similar goods or services may easily cause the relevant public to misunderstand the source of the goods or services.