The interplay between circumstantial evidence under the Lanham Act’s substantive law of trade dress infringement and the rules for summary judgment was at issue in J-B Weld Co. v. Gorilla Glue Co., 2020 WL 6144561 (11th Cir. Oct. 20, 2020). In J-B Weld,all three judges agreed that the district court erred in entering summary judgment…