BIRMINGHAM-based confectioner Cadbury has won a legal battle against one of its bitter rivals for the exclusive rights to use purple packaging for its best-selling Dairy Milk brand.Swiss-based group Nestlé had been trying for the past four years to stop the Bournville firm from gaining the exclusive rights for the colour.Cadbury, now owned by US food giant Kraft, said its right to use the shade of purple known as Pantone 2685C dated back to 1914 when it first produced the iconic chocolate bar. It had trademarked the Pantone ......for the full story register now for free or login below...