Trade dress refers to the total visual image and appearance of a product or packaging that identifies the source of the product and distinguishes it from others. It includes elements like size, shape, color, graphics, and packaging. Trade dress protection prevents competitors from copying these distinctive features in a way that confuses customers. Courts have protected trade dress elements like the shape and design of products, their packaging and containers, and the layout of business establishments. Registering a trade dress helps companies prevent others from using similar product appearances and provides a competitive advantage.