A spokesperson for Lidl said: "Last year, the high court ruled that Tesco's Clubcard logo was copied from ours and infringed our trademark rights, allowing them to unfairly benefit from our longstanding reputation for value while misleading its customers. Despite this, Tesco prolonged the dispute by appealing, deceiving customers for another year. READ MORE Kate Middleton puts end to 'exhausting rumours on social media' "Therefore, we are delighted to see that the court of appeal has now agreed with the high court that Tesco's use of its Clubcard logo is unlawful. We expect Tesco now to respect the court's decision and change its Clubcard logo to one that is not designed to look like ours." The appeal court judge Lord Justice Lewison said that he had supported the high court's findings with "undisguised reluctance", making clear he found elements of the original finding "surprising".