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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

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).

Wireless Networks: Technological Challenges and Policy Implications, 31 BERKELEY TECH. L.J. 1409 (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.

Open Source, Modular Platforms, and the Challenge of Fragmentation, 1 CRITERION J. ON INNOVATION 619 (2016).

Moore's Law, Metcalfe's Law, and the Theory of Optimal Interoperability, 14 COLO. TECH. L.J. 87 (2015).

Cyber Espionage or Cyberwar?: International Law, Domestic Law, and Self-Protective Measures, in CYBERWAR: LETHICS FOR VIRTUAL CONFLICTS (Jens David Ohlin, Kevin Govern, & Claire Finkelstein eds., Oxford University Press 2015).

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

The Wires Go to War: The U.S. Experiment with Government Ownership of the Telephone System During World War I, 91 TEX. L. REV. 983 (2013) (with Michael A. Janson).

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

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

Nonrivalry and Price Discrimination in Copyright Economics, 157 U. PA. L. REV. 1801 (2009) (with John P. Conley).

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).

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

More publications can be found here.

Working Papers

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

James Wilson as the Architect of the American Presidency, 16 GEO. J.L. & PUB. POL'Y (forthcoming 2019). (forthcoming)
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Paul Baran, Network Theory, and the Past, Present, and Future of Internet, 17 COLO. TECH. L.J. (forthcoming 2019). (forthcoming)
[View Document/Abstract]

Product Differentiation, in 1 RESEARCH HANDBOOK ON THE ECONOMICS OF INTELLECTUAL PROPERTY LAW (Ben Depoorter & Peter Menell eds., Edward Elgar forthcoming 2019). (forthcoming)
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Network Neutrality and 5G, THE FUTURE OF THE INTERNET – INNOVATION, INTEGRATION AND SUSTAINABILITY (Guenter Knieps & Volcker Stocker eds., Nomos forthcoming 2018) (with Jesse Lambert). (forthcoming)
[View Document/Abstract]

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)
[View Document/Abstract]

Antitrust Enforcement in a Global Context: The U.S. Perspective, in ANTITRUST PROCEDURAL FAIRNESS (D. Daniel Sokol & Andrew Guzman eds., Oxford University Press forthcoming 2019) (with Hendrik M. Wendland) (forthcoming)
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U.S. vs. European Broadband Deployment: What Do the Data Say?
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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)

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

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

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 (1997-98)

Law Clerk to the Hon. A. Raymond Randolph, United States Court of Appeals for the D.C. Circuit (1995-96)

Professional Activities

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 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–present).

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–present).

Testimony, 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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