This document provides a summary of the 2013 National Trade Estimate Report on Foreign Trade Barriers published by the United States Trade Representative. It acknowledges contributions from various government agencies that assisted in producing the report. The report aims to identify and address significant foreign barriers to U.S. exports of goods and services, foreign investment, and intellectual property protection across major trading partners. It covers a wide range of barriers categorized under import policies, government procurement, subsidies, intellectual property, and others.