Luxemburg, 20/09/2006 (Agence Europe) - The European directive on misleading and comparative advertising, in principle, allows a retailer to use comparative advertising relating to a selection of basic consumables. This selection must be made up of products which can be easily compared with the products of the competitor. This is the response of the European Court of Justice to the Brussels Commercial Court which has to rule on a case between the German-owned chain Lidl Belgium GmbH and the...