- Home
- Research
- Faculty & Staff Directory
- Thomas Horton

Contact Us
Antitrust & Consumer Protection; Trial Advocacy and Techniques; History and Law
Evolutionary biology models applied to stuctural and behavioral antitrust analyses; ethics and antitrust enforcement; Clayton Act merger regulation standards and enforcemt/international merger review standards; Agricultural antitrust issues; and comparative antitrust/competition law standards and enforcement.
- Other, Georgetown University, 2007
- JD, Law---Order of the Coif, Case Western Reserve University, 1981
- BA, Biological Sciences, Harvard University, 1977
- South Dakota Active Bar License, South Dakota Supreme Court
- Human Testing, USD
- United States Supreme Court, U.S. Supteme Court
- District of Columbia Active Bar License, DC Bar Committee
- Ohio State Active Bar License, Ohio State Supreme Court
Citations listed below are presented in a standardized, modified format for display purposes only. They do not necessarily reflect the preferred style and conventions of the faculty member or discipline.
- Horton, Thomas T.. Innovation and Antitrust: An Evolutionary and Historical Perspective. In Liber Amicorum for Herbert Hovenkamp---The Dean of American Antitrust Law, editors Nicolas Charbit & Sebastien Gachot, 229-286. New York, New York: Institute of Competition Law, 2021.
- Horton, Thomas, and Kirchmeier, Dylan. John Deere's Attempted Monopolization of Equipment Repair, and the Digital Agricultural Data Market - Who Will Stand Up for American Farmers?, CPI Antitrust Chronicle, Jan. 2020, at 2.
- Horton, Thomas T.. Daily Newspapers and Antitrust: As Relevant and Crucial To Our Democracy as Ever. In Media Markets and Competition Law: Multinational Perspectives, editors Antonio Bavasso; David S. Evans; Douglas H. Ginsburg, 18. New York City, New York: Competition Policy International, 2019.
- Horton, Thomas. Rediscovering Antitrust's Lost Values, 16 U.N.H. L. Rev. 179 (2018).
- Horton, Thomas. Book Review, 40 World Competition 531 (2017) (reviewing Patent Assertion Entities and Competition Policy (D. Sokol, ed. 2017)).
- Horton, Thomas. Restoring American Antitrust's Moral Arc, 62 S.D. L. Rev. 11 (2017).
- Horton, Thomas, DeGroot, Drew, and Custis, Tyler. ADDRESSING THE CURRENT CRISIS IN NCAA INTERCOLLEGIATE ATHLETICS: WHERE IS CONGRESS?. Milwaukee, Wisconsin: Marquette Sports Law Review, 2016.
- Horton, Thomas. Antitrust or Industrial Protectionism: Emerging International Issues in China's Anti-Monopoly Law Enforcement Efforts, 14 Santa Clara J. Int'l L. 109 (2016).
- Horton, Thomas. Drew DeGroot & Tyler Custis, Addressing the Current Crisis in NCAA Intercollegiate Athletics: Where Is Congress, 26 Marq. Sports L. Rev. 363 (2016).
- Horton, Thomas. International Antitrust Enforcement: China and Beyond: Hearing Before the H. Comm on the Judiciary, Subcomm. on Regulatory Reform, Commercial and Antitrust Law, 114th Cong. (2016).
- Horton, Thomas. Efficiencies and Antitrust Reconsidered: An Evolutionary Perspective, 60 Antitrust Bull. 168 (2015).
- Horton, Thomas. North Dakota, in 2 State Antitrust Practice and Statutes 37-1 (Rocky C. Tsai ed., 5th ed. 2014).
- Horton, Thomas. Seeking Fairness in Antitrust, 35 Eur. Competition L. Rev. 569 (2014) (reviewing Adi Ayal, Fairness in Antitrust: Protecting the Strong from the Weak (2014)).
- Horton, Thomas. South Dakota, in 3 State Antitrust Practice and Statutes 45-1 (Rocky C. Tsai ed., 5th ed. 2014).
- Horton, Thomas. Teaching America's Antitrust Laws and Their Enforcement, in Teaching Legal History: Comparative Perspectives 150 (Robert M. Jarvis ed., 2014).
- Horton, Thomas. Confucianism and Antitrust: China's Emerging Evolutionary Approach to Anti-Monopoly Law, 47 Int'l Law. 193 (2013).
- Horton, Thomas. Fairness and Antitrust Reconsidered: An Evolutionary Perspective, 44 McGeorge L. Rev. 823 (2013).
- Horton, Thomas. Introduction to Symposium Issue: Antitrust and Competition in America's Heartland, 58 S.D. L. Rev. 439 (2013).
- Horton, Thomas. Jenny Xiaojin Huang, Analyzing Information Exchanges Between Competitors Under the Anti-Monopoly Law, in China's Anti-Monopoly Law: The First Five Years 95 (Adrian Emch & David Stallibrass eds., 2013).
- Horton, Thomas. Robert H. Lande & Virginia Callahan, Recent Journalism Awards Won by "Old," "New," and "Hybrid" Media, U. Balt. School of Law Legal Stud. Research Paper No. 2014-12 (2013).
- Horton, Thomas. Robert H. Lande & Virginia Callahan, Recent Journalism Awards Won by "Old," "New," and "Hybrid" Media, U. Balt. School of Law Legal Stud. Research Paper No. 2014-12 (2013).
- Horton, Thomas. Robert Lande, Should the Internet Exempt the Media Sector from the Antitrust Laws?, 65 Fla. L. Rev. 1521 (2013).
- Horton, Thomas. Teaching America's Antitrust Laws and Their Enforcement, 53 Am. J. Legal Hist. 441 (2013).
- Horton, Thomas. Unraveling the Chicago/Harvard Antitrust Double Helix: Applying Evolutionary Theory to Guard Competitors and Revive Antitrust Jury Trials, 41 U. Balt. L. Rev. 615 (2012).
- Horton, Thomas. The Coming Extinction of Homo Economicus and the Eclipse of the Chicago School of Antitrust: Applying Evolutionary Biology to Structural and Behavioral Antitrust Analyses, 42 Loy. U. Chi. L.J. 469 (2011).
- Horton, Thomas. The New United States Horizontal Merger Guidelines: Devolution, Evolution, or Counterrevolution?, 2 J. Eur. Competition L. & Prac. 158 (2011).
- Horton, Thomas. Fixing Merger Litigation "Fixes": Reforming the Litigation of Proposed Merger Remedies Under Section 7 of the Clayton Act, 55 S.D. L. Rev. 191 (2010).
- Horton, Thomas. Contributing Author, Antitrust and Associations Handbook (Christopher J. Macavoy & Saul P. Morgenstern eds., 2009).
- Horton, Thomas. A Comparison of Merger Remedies in the U.S. and EU, Euromoney Competition & Antitrust Rev., May 2006, at 31.
- Horton, Thomas. Competition or Monopoly - The Implications of Complexity Science, Chaos Theory, and Evolutionary Biology for Antitrust and Competition Policy, 51 Antitrust Bull. 195 (2006).
- Horton, Thomas. Negotiating Merger Remedies With the Antitrust Division and Litigating the Proposed Fix (May 10, 2006).
- Horton, Thomas. Trial Fundamentals and Courtroom Strategies for the Civil Antitrust Attorney, ABA Section of Litigation - Antitrust (2006).
- Horton, Thomas. Avoiding Antitrust Issues: The Interface of America's Antitrust and Intellectual Property (Aug. 10, 2005).
- Horton, Thomas. Negotiating Merger Remedies With the Antitrust Division and Litigating the Proposed Fix, presented at the Ohio State Bar Association 39th Annual Antitrust Institute: Litigating Antitrust Cases, 2005.
- Horton, Thomas. Protecting Your Life Sciences and Biotech Licenses from the Specter of the Antitrust Laws, Licensing J., March 2005, at 1.
- Horton, Thomas. America in the Post-September 11 World, in 1 Writing Across the Curriculum 49 (Georgetown U. Liberal Studies Degree Program ed., 2003).
- Horton, Thomas. Oversized Carry-on Bags and Section 1 of the Sherman Act: The Continental Airlines/United Airlines Antitrust Battle, ABA Antitrust Sect. Trade Assoc. Comm. Newsl., Winter 2003, at 35.
- Horton, Thomas. Protecting Your Biotech Discoveries and Investments, Ind. U.S. Bus. J., Mar. 2003, at 13.
- Horton, Thomas. Trying and Winning a Civil Antitrust Case, Practical Litigator, Jan. 2003, at 19.
- Horton, Thomas. Patenting Our Lives and Our Genes: Where Does Congress Stand in the Coming Clash?, Public Comment, FTC Hearing on Competition and Intellectual Property Law and Policy in the Knowledge-Based Economy (2002).
- Horton, Thomas. Stefan Schmitz, A Tale of Two Continents: The Coming Clash of the Conflicting Economic Viewpoints in Europe and the United States, ABA Section of Antitrust L. Econ. Comm. Newsl., Spring 2002, at 21.
- Horton, Thomas. The Gene Biz - A Patent Rip-off, S.F. Chron., July 14, 2002, at D-5.
- Horton, Thomas. More Questions Than Answers: Behind the Bundeskartellamt's Approval of Covisint, European Law., Oct. 2001, at 8.
- Horton, Thomas. Stefan Schmitz, The Lessons of Covisint: Regulating B2Bs Under European and American Competition Laws, 47 Wayne L. Rev. 1231 (2001).
- Highest Possible Rating , Martindale-Hubbell, 2022
- 2021 R-Calf USA Sentinel Award, R-Calf USA, 2021
- Honorary Graduation Speaker, USD School of Law, 2021
- Albert Nelson Marquis Lifetime Achievement Award, Marquis Who's Who, 2021
- Forty Year Community Service Award, Martindale-Hubbell, 2021
- USD Honors Program 2021 Outstanding Faculty Member Recognition Award, USD Honors Progam, 2021
- Industry Leader, Marquis Who's Who , 2021
- Law & Education Biographical Award, Marquis Who's Who, 2021
- 2021 Judicial Award, Martindale-Hubbell, 2021
- America's Most Honored Lawyers (Top 1%), The American Registry, 2021
- 25 Year Anniversary, Martindale-Hubbell, 2021
- John Wesley Jackson Award for Outstanding Professor of Law, USD School of Law, 2019
- USD Professor of the Game, USD Academic Affairs, 2018
- John Wesley Jackson Outstanding Faculty Award, USD School of Law, 2016
- Top Rated Lawyer---Litigation, Martindale -Hubbell , 2015
- Belbas-Larson Award for Excellence in Teaching, USD, 2013
- Johnson, Heidepriem & Abdallah Trial Advocacy Fellowship, Johnson, Heidepriem & Abdallah, 2012
- John Wesley Jackson Outstanding Faculty Award, USD School of Law, 2011
- Horton, Thomas J., Current Antitrust issues in the U.S. Cattle Industry. Presented at the R-Calf USA Annual Meeting, Rapid City, SD. (October 18, 2021)
- Horton, Thomas J., Innovation and Antitrust: An Evolutionary and Historical Perspective. Presented at the Concurrences Institute of Antitrust Law Annual Meeting, Zoom. (July 15, 2021)
- Horton, Thomas J., Current Antitrust issues in the Life Sciences Industry. Presented at the Concurrences, Vermillion, SD (zoomm). (May 01, 2021)
- Horton, Thomas, Price Discrimination and Antitrust. Presented at the Tenth Annual Loyola Antirust Symposium/ColloquiumTenth Annual, Chicago, Ill.. (April 20, 2018)
- Horton, Thomas, Broadening the Scope of Merger Review. Presented at the American Antitrust Institute's 2016 Annual Symposium, Washington, DC. (June 16, 2016)
- Horton, Thomas J., International Antitrust Enforecment: China and Beyond. Presented at the U.S. House of Representatives Subcommittee Hearing, Washington, DC. (June 07, 2016)
- Horton, Thomas J., "Morality and Antitrust Reconsidered: An Evolutionary Perspective". Presented at the Society for Evolutionary Analysis in Law (SEAL) Annual meetng, Arizona State University. (April 01, 2016)
- Horton, Thomas J., Perspectives on Antitrust Law: Applying Evolutionary Theory to Antitrust Analyses. Presented at the Association of American Law Schools (AALS), New York, NY. (January 09, 2016)
- Horton, Thomas J., China's Anti-Mionopoly Law: An Interview with Prof. Thomas J. Horton. Presented at the Capitol Forum, Washington, DC. (May 12, 2015)
- Horton, Thomas J., Writing Better Jury Instructions: Antitrust as an Example. Presented at the Institute for Antitrust Studies, Chicago, Ill.. (April 24, 2015)
- Horton, Thomas J., Efficiencies and Antitrust Reconsidered; An Evolutionary Perspective. Presented at the Nebraska School of Law, Lincoln, NE (Nebraska School of Law). (October 2014)
- Horton, Thomas, Efficiencies and Antitrust : An Evolutioanry Perspective. Presented at the American Antitrust Institute Annual Meeting (2014), Washington, DC. (June 19, 2014)
- Horton, Thomas, Confucianism and Antitrust . Presented at the The Next Generation of Antitrust Scholars (2014), New York City. (January 17, 2014)
- Horton, Thomas, Fairness and Antitrust Reconsidered: An Evolutionary Perspective. Presented at the SEAL Annual Meeting 2013, University of Pennsylvania School of Law Philadelphia, PA. (April 2013)
- Horton, Thomas, Applying Evolutionary Theory to Agricultural Antitrust Analyses. Presented at the Antitrust & Competition in America's Heartland, Vermillion, SD. (March 15, 2013)
- Horton, Thomas, Applying Evolutionary Theory to Structural and Behavioral Analyses. Presented at the SEAL Annual Meeting 2012, Emory Law School Atlanta, GA. (April 2012)
- Horton, Thomas, Fixing Merger Litigation 'Fixes': Reforming the Litigation of Proposed Merger Remedies Under Section 7 of the Clayton Act. Presented at the Tenth Annual Institute for Consumer Antitrust Studies (April 30, 2010)