Guinness led to a scandal and criminal trial concerning the artificial inflation of the Guinness share price during the takeover bid engineered by the chairman, Ernest Saunders. A subsequent £5.2 million success fee paid to an American lawyer and Guinness director, Tom Ward, was the subject of the case "Guinness plc v Saunders", in which the House of Lords declared that the payment had been invalid. In the 1980s, as the IRA's bombing campaign spread to London and the rest of Britain, Guinness considered scrapping the harp as its logo. The company merged with Grand Metropolitan in 1997 to form Diageo.
Trademark the production of media using its imagery and license the character for use in other works (such as adaptations). This practice is a precursor to the modern concept of a media franchise. A trademark is "diluted" when the use of similar or identical trademarks in other non-competing markets means that the trademark in and of itself will lose its capacity to signify a single source. In other words, unlike ordinary trademark law, dilution protection extends to trademark uses that do not confuse consumers regarding who has made a product. Instead, dilution protection law aims to protect sufficiently strong trademarks from