The authors describe the developing picture in the law relating to trade marks, reviewing decisions made under the Trade Marks Act 1994 and looking at a number of passing off cases. Article by Paul Harris and Paul Garland of Eversheds (London)  published in Amicus Curiae - Journal of the Institute of Advanced Legal Studies and its Society for Advanced Legal Studies. The Journal is produced by the Society for Advanced Legal Studies at the Institute of Advanced Legal Studies, University of London.