The conditions upon which trademarks should be traded - that is, assigned and licensed in the marketplace - have traditionally been at the center of the trademark debate. Historically, based upon the assumption that trademarks can be protected only as conveyers of commercial information and as symbols of business goodwill, trademark law has prohibited trading in trademarks in gross and has required that trademarks be assigned with their goodwill and licensed only as long as licensors control the quality of the products. Yet, these criteria have been proven controversial and difficult to enforce because they hinge on two concepts that are ambiguous and difficult to frame in a legislative context: trademark goodwill and quality contr...