The word ‘standard’ has become a common term in all sectors of business. participants in all business undertakings do not negate the idea of having the best quality. Consumers look for a product or service with high standards. And, transactions are expected to result in the satisfaction of the parties, with a special concern that consumers need to be protected from any possible harm that would occur from the normal consumption of any goods or services. This book entitled “WTO Accession and Required Product Standards: The Case of developing countries: Ethiopia,” primarily focuses on examining one aspect of standard in trade, i.e. product standards, in the context of Ethiopia’s anticipated accession to the world trade organizations.It is organized in four chapters. An introduction to the WTO is made followed by general remarks on standards in relation to trade. The second part examines the WTO legal regime on standards. Then the issues that are of utmost concern in developing and least developed countries when the topic of product standard is raised will be discussed. Finally,the enigma of standards in the WTO for Ethiopia will be explored.