 In the United States, “Dark ’n’ Stormy” has been a registered trademark of Gosling Brothers Ltd of Bermuda since 1991.Gosling's markets the drink through tie-ins to the sailing and sail racing community.Gosling Brothers uses this registration to prohibit US marketing of a drink under the name """Dark 'N Stormy", or a related, confusing name, unless it is made with Gosling Black Seal rum.