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Christopher S. Yoo

John H. Chestnut Professor of Law, Communication, and Computer & Information Science; Director, Center for Technology, Innovation & Competition

Christopher Yoo

Christopher Yoo has emerged as one of the nation’s leading authorities on law and technology. Recognized as one of the most cited scholars in administrative and regulatory law as well as intellectual property, his major research projects include studying innovative ways to connect more people to the Internet; using technological principles to inform how the law can promote optimal interoperability; protecting privacy and security for autonomous vehicles, medical devices, and the Internet’s routing architecture; comparing antitrust enforcement practices in China, Europe, and the U.S.; copyright theory; and network neutrality. Continue reading…


  • Communications Law
  • Antitrust
  • Intellectual Property
  • Copyright
  • Privacy Law
  • Mass Media Law
  • Law and Technology
  • Government Regulation
  • Regulated Industries
  • Electronic Commerce
  • Information Law
  • Presidential Power
  • Separation of Powers
  • Constitutional Law
  • First Amendment
  • Free Speech
  • Patent Law
  • Law of War


REGULATING THE CLOUD: POLICY FOR COMPUTING INFRASTRUCTURE (Christopher S. Yoo & Jean-Francois Blanchette eds., MIT Press 2015).
[Available Here]

[Available Here]

CRITICAL CONCEPTS IN INTELLECTUAL PROPERTY LAW: COPYRIGHT, 2 vols. (Christopher S. Yoo ed., Edward Elgar 2011).
[Available Here]

NETWORKS IN TELECOMMUNICATIONS: ECONOMICS AND LAW (Cambridge Univ. Press 2009) (with Daniel F. Spulber).
[Available Here]

[Available Here]

Articles and Book Chapters

Procedural Fairness in Antitrust Enforcement: The U.S. Perspective, in ANTITRUST PROCEDURAL FAIRNESS 31 (D. Daniel Sokol & Andrew Guzman eds., Oxford University Press 2019) (with Hendrik M. Wendland).

Paul Baran, Network Theory, and the Past, Present, and Future of Internet, 17 COLO. TECH. L.J. 161 (2019).

James Wilson as the Architect of the American Presidency, 16 GEO. J.L. & PUB. POL'Y 51 (2019).

Common Carriage’s Domain, 34 YALE J. ON REG. 991 (2018).

Avoiding the Pitfalls of Net Uniformity: Zero Rating and Nondiscrimination, 50 REV. INDUS. ORG. 509 (2017).

An Unsung Success Story: A Forty-Year Retrospective on U.S. Communications Policy, 41 TELECOMM. POL'Y 891 (2017).

Presidential Signing Statements: A New Perspective, 164 U. PA. L. REV. 1801 (2016).

Modularity Theory and Internet Policy, 2016 U. ILL. L. REV. 1.

Technological Determinism and Its Discontents, 127 HARV. L. REV. 914 (2014) (book review).

Protocol Layering and Internet Policy, 161 U. PA. L. REV. 1707 (2013).

Coase Revisited: Property Theory and Emerging Technologies, 160 U. PA. L. REV. 2189 (2012)

Are Those Who Ignore History Doomed to Repeat It?, 78 U. CHI. L. REV. 1627 (2011) (book review) (with Peter Decherney & Nathan Ensmenger).

Product Life Cycle Theory and the Maturation of the Internet, 104 NW. U. L. REV. 641 (2010).

Mandating Access to Telecom and the Internet: The Hidden Side of Trinko, 106 COLUM. L. REV. 1822 (2007) (with Daniel F. Spulber).

Copyright and Public Good Economics: A Misunderstood Relation, 155 U. PA. L. REV. 635 (2007).

Network Neutrality and the Economics of Congestion, 94 GEO. L.J. 1847 (2006).

Beyond Network Neutrality, 19 HARV. J.L. & TECH. 1 (2005).

Copyright and Product Differentiation, 79 N.Y.U. L. REV. 212 (2004).

Access to Networks: Economic and Constitutional Connections, 88 CORNELL L. REV. 885 (2003) (with Daniel F. Spulber).

Vertical Integration and Media Regulation in the New Economy, 19 YALE J. ON REG. 171 (2002).

More publications can be found here.

Working Papers

5G and Net Neutrality, in THE FUTURE OF THE INTERNET – INNOVATION, INTEGRATION AND SUSTAINABILITY (Guenter Knieps & Volcker Stocker eds., Nomos, forthcoming 2019) (with Jesse Lambert). (forthcoming)
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Copyright and Personhood Revisited, 2019 U. ILL. L. REV. (forthcoming)
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The Transformation of Transformative Use, 1 J.L. & INNOVATION (forthcoming 2019). (forthcoming)

Product Differentiation, in 1 RESEARCH HANDBOOK ON THE ECONOMICS OF INTELLECTUAL PROPERTY LAW (Ben Depoorter & Peter Menell eds., Edward Elgar forthcoming 2019). (forthcoming)
[View Document]

Self-Actualization and the Need to Create as a Limit on Copyright, in COMPARATIVE ASPECTS OF LIMITATIONS AND EXCEPTIONS IN COPYRIGHT LAW (Shyamkrishna Balganesh, Wee Loon Ng-Loy, & Haochen Sun eds., Cambridge University Press forthcoming 2019). (forthcoming)
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U.S. vs. European Broadband Deployment: What Do the Data Say? (forthcoming)
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Research Areas

  • Telecommunications Law
  • Cyberlaw/Internet Law
  • Privacy
  • Antitrust
  • Copyright
  • Mass Media Law
  • Presidential Power
  • Economic Regulation


Penn Law - John H. Chestnut Professor of Law (2011- ); Founding Director, Center for Technology, Innovation and Competition (2007- ); Professor (2007-2011); Visiting Professor (2006)

School of Engineering and Applied Science, Department of Computer and Information Science, Penn - Professor (2010- )

Annenberg School for Communication, Penn - Professor (2007- )

Vanderbilt University - Professor of Law and Founding Director, Technology and Entertainment Law Program (2005-07); Associate Professor (2002-2005); Assistant Professor (1999-2002)

Law Clerk to the Hon. Anthony M. Kennedy, Supreme Court of the United States (1997-1998)

Law Clerk to the Hon. A. Raymond Randolph, United States Court of Appeals for the D.C. Circuit (1995-1996)

Professional Activities

Federal Communications Commission, Broadband Deployment Advisory Committee (2017–).

World Economic Forum, Internet for All Initiative, Steering Committee and Project Lead for the Data Working Group (2016–2018).

American Law Institute, Board of Advisers, Restatement Third, Information Privacy Principles (2012–present); Board of Advisers, Restatement Third, Principles for a Data Economy (2018–present); Member (elected 2011).

United Nations Internet Governance Forum, Co-Convener, Connecting and Enabling the Next Billions (2017–present); Co-Convener, Dynamic Coalition on Innovative Approaches to Connecting the Unconnected (2016–2018).

Testimony, House Committee on the Judiciary (2019, 2009, 2008); Senate Committee on the Judiciary (2014, 2006, 2005); House Committee on Energy and Commerce (2014); Senate Committee on Commerce, Science, and Transportation (2010); Federal Trade Commission (2019, 2007); U.S. Department of Justice Antitrust Division (2018); Federal Communications Commission (2014, 2010, 2008, 2006).


  • Internet Law
  • Privacy
  • Antitrust
  • Introduction to Intellectual Property
  • Telecommunications Law
  • Copyright Theory
  • Technology and Policy

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