The first successful application for a sound mark was registered in 1978 and was filed by NBC. Thirty-five years out, it is still a notoriously long and difficult process. So when I'm asked by another business owner if they can trademark a sound, I always have to give a "yes, but..." answer for the following reasons.
The psychology of color as it relates to persuasion is one of the most interesting -- and most controversial -- aspects of marketing. To alleviate this trend and give proper treatment to a truly fascinating element of human behavior, we've reviewed a selection of the most reliable research on color theory and persuasion.