Lidl, whose logo consists of a yellow circle outlined in red over a blue square, sued Tesco for trade mark and copyright infringement following Tesco’s Clubcard price promotions, which were announced ...

Retailer Tesco has lost an appeal in the UK against a ruling that it infringed German discount supermarket Lidl's trademark over the use of a yellow circle on a square blue background.

Two triangles might appear in a pop-up from Apple on your iPhone. Both show a yellow triangle encasing a blue water droplet. They both mean water has been detected in one of the ports.

Britain’s biggest supermarket, Tesco, was sued by German supermarket Lidi over its Clubcard Prices’ promotion which used a blue square with a yellow circle with the words ‘Clubcard Prices ...