Trademarks. The quality of having a shape, configuration, design, or color that is so superior to available alternatives that giving the first user exclusive trademark rights would hinder competition. [Cases: Trade Regulation 43. C.J.S. Trade-Marks, Trade-Names, and Unfair Competition §§ 49–50.]
functionality n. 功能性(商标) 商标法只保护其外形、结构或颜色设计为非功能性〔non-functional〕的商标。如果商标的图案或色彩较其他可供选择的方案为佳并达到一定程度，致使给予其首先使用人以排他权保护将妨碍竞争，则该商标标识属于功能性的，不能给予保护。
functionality. Trademarks. The quality of having a shape, configuration, design, or color that is so superior to available alternatives that giving the first user exclusive trademark rights would hinder competition. [Cases: Trade Regulation 43. C.J.S. Trade-Marks, Trade-Names, and Unfair Competition §§ 49–50.] aesthetic functionality. A doctrine that denies protection to the design of a product