McDonald's has lost its rights to the trademark "Big Mac" in an EU ruling in favour of Ireland-based fast-food chain Supermac's. The judgment revokes McDonald's registration of the trademark, saying that the world's largest fast-food chain has not proved genuine use of it over the five years prior to the case being lodged in 2017. McDonald's was not immediately available to comment on the decision, which it can still appeal against. The ruling allows other companies as well as McDonald's to use the "Big Mac" name in the EU. Supermac's said it can now expand in the UK and elsewhere in Europe. It said it had never had a product called "Big Mac" but that McDonald's had used the similarity of the two names to block the Irish chain's expansion. "Supermac's are delighted with their victory in the trademark application and in revoking the Big Mac trademark, which had been in existence since 1996," said Supermac's founder Pat McDonagh. "This is a great victory for business in general and st...

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