sentences:  In March 1997, the court found in favour of United Biscuits regarding passing off, but found that Asda had not infringed the Penguin trademark.United Biscuits had been criticised for continuing to use trans fatty acids in the cream filling of Penguins.By December 2007, United Biscuits began to advertise the absence of trans fats from Penguins, having removed the ingredient from this product line.