The letter C in the Coca-Cola slogan is trademarked as a wordmark. Photo: Photo by Mae Mu on Unsplash
The shape of the article itself or of its packaging can be registered as a trademark. Photo: marqquin, Unsplash
Jack Daniels registered their black background with embellishments as a figurative trademark. The basic design cannot be used by other entities. Photo: Photo by Almos Bechtold, Unsplash