Description: Intellectual property has become a dominant feature of our knowledge based economy in recent years, but how has property rights in intangible items developed? This book brings together articles, written by leading experts in the field, which trace United States intellectual property from an historical perspective and show how an extensive framework for the regulation of knowledge emerged in the modern period. Diverse in their methodological approach, the essays examine a wide range of regimes, including trade secrets, trademark, copyright, and patent law.