William Fisher
More thesis linkage:
William Fisher III, Director of the Berkman Center. There are several helpful PDFs in his pub list:
Theories of Intellectual Property
Intellectual Property and Innovation: Theoretical, Empirical and Historical Perspectives
The Growth of Intellectual Property: A History of the Ownership of Ideas in the United States
And an excerpt from his forthcoming book, Promises to Keep: Technology, Law and the Future of Entertainment, is available in PDF from the publisher.