This latest monograph by Professor Korah on the recent group exemption consists of a detailed and critical commentary on the technology transfer block exemption of 2004, with annotated copies of the regulation and guidelines, together with a substantial chapter on refusal to supply or license, in the light of the recent case law under Article 82. In doing so, it embraces all the competition issues that may affect intellectual property rights. After a brief introduction, the work starts with short chapters on the free movement of goods and services, the status of the Commission's guidelines, and the historically hostile attitude of the Commission under Article 81 towards licensing. It then launches into a detailed analysis of the regulation and the probable treatment of licences that do not fall within it. Throughout the book, the author provides extensive analysis of policy and economics, as well as comparison with US practice.