In Holland it is a frequent and happy phenomenon that experts employed by a particular company do not confine their knowledge and experience purely within the privacy of that firm, but allow others to profit therefrom by being active within professional or business organisations, committees and so on. Professional journals also contain contributions from such experts with gratifying regularity. It is, however, extremely seldom and thus all the more welcome if such experts, in this case company lawyers, are willing to do even more. Mister Mak (LL.D.) and Mister Molijn (LL.M.) have been able to find the time and the quiet (or have sacrificed their own free time) to place on record for the benefit of the business world in Holland their great knowledge of trade mark law and their practical opinions. Those who are no strangers in this trade mark Jerusalem, know that the authors have not acquired their knowledge and experi­ ence solely within the large companies in which they are em­ ployed, but also in committees and on the boards of organisations which devote themselves to achieving good trade mark protection and to stimulating and/or criticising new developments in the legislative field. This fact is evident from the critical obser­ vations in this book and gives the book an interesting extra dimension.