Apple has trademarked the design of its retail stores with the US Patent and Trademark office. The trademark covers the design and layout of the retail store such as the glass panel fronts and the recessed lighting
Apple wanted to stop other stores from it’s store concept.
Description from the trademark office:
“…a primarily glass storefront, rectangular recessed lighting traversing the length of the store’s ceiling, Cantilevered shelving and recessed display spaces along the front side walls, rectangular tables arranged in a line in the middle of the store parallel to the walls and extending from the storefront to the back of the store, multi-tiered shelving along the rear walls, and an oblong table with stools located at the back of the store below video screens in the back wall.”