Addressing the scope of trade dress protection, the US Court of Appeals for the Fourth Circuit found that the shape and color scheme of a product was functional and therefore only eligible for patent law’s protection of utilitarian inventions. CTB, Inc. v. Hog Slat, Inc., Case No. 18-2107 (4th Cir. Mar. 27, 2020) (Wynn, J.) (Keenan, J. concurring) (Rushing, J. concurring).