McDonald's has lost the EU trademark for use of the term "Big Mac" in relation to chicken sandwiches.The European Court of Justice (ECJ) upheld a complaint against the US fast food giant from Irish rival Supermac's. In 2017 Supermac's attempted to revoke McDonald's use of the term Big Mac, which the company had registered in 1996 for meat, fish and chicken sandwiches and a range of services at restaurants, including takeaway food and drive-through facilities.Generally the rights of a holder to an EU Tradema ...