Lidl claim that Tesco are exploiting the background to their trademarked logo - a blue square containing a yellow circle with a thin red border - to promote Clubcard discounts to their own customers.

Appeal court upholds finding that UK’s biggest supermarket infringed trademark with yellow circle logo Tesco is to drop the blue and yellow logo used to promote its Clubcard loyalty scheme – a rebrand ...

Tesco has lost an appeal of a ruling that found its ‘Clubcard Prices’ logo was too similar to rival Lidl’s. The UK’s biggest retailer has said it will remove the existing asset from stores and online ...