• Rice University, B.A. English (2003) summa cum laude
  • University of Texas School of Law (2006) honors


  • District of Columbia
  • Texas (Inactive)


  • Portuguese
  • Spanish
Kassi D. Tallent, Counsel Washington, D.C.
Phone: +1 202.624.2543
1001 Pennsylvania Avenue NW
Washington, D.C. 20004-2595

Kassi Diane Tallent is a counsel with Crowell & Moring's International Dispute Resolution Group, where she focuses her practice on international investment and commercial arbitration. Kassi's experience includes disputes conducted in such fora as the International Center for Settlement of Investment Disputes (ICSID) and the International Chamber of Commerce (ICC), as well as ad hoc arbitrations conducted under the UNCITRAL Arbitration Rules and disputes arising under the North American Free Trade Agreement (NAFTA), the United States-Central American-Dominican Republic Free Trade Agreement (CAFTA) and the Energy Charter Treaty (ECT). Kassi has served as counsel in disputes involving a wide range of countries, including El Salvador, Peru, Brazil, Argentina, Turkey, Egypt, Lithuania and Guinea, and in a range of industries, including power and energy, mining and natural resources and other regulated industries.

During 2010, Kassi spent nine months participating in an attorney exchange program with Fortunati & Asociados (now Estudio Beccar Varela) in Buenos Aires, Argentina. Prior to joining the firm in 2007, Kassi was an associate in the international arbitration group of another international law firm, and served as an intern at the Inter-American Court of Human Rights, as well as in the Office of the Attorney General of the State of São Paulo, Brazil. While attending Rice University, Kassi was elected to the Phi Beta Kappa Honors Society. During her time in law school, Kassi participated in clinical programs related to international human rights and international labor rights, including preparing reports for presentation to the Inter-American Commission of Human Rights (IACHR) and the International Labor Organization (ILO). Kassi has studied and volunteered in Mexico, Ghana, Tanzania and Cambodia, and is particularly interested in the role of individuals in international law, and the intersection of international investment and development.


Admitted to practice: District of Columbia, Texas (inactive)

Speeches & Presentations

  • "Emergency Relief in International Arbitration," 2014 Conference on Interim Measures in International Arbitration (APR) (April 24, 2014). Presenter: Kassi D. Tallent.
  • "Contractual Dispute Resolution Clauses: Effective planning and drafting," Fortunati & Asociados, Buenos Aires, Argentina (October 2010). Presenter: Kassi Tallent.
  • "Private Sector Participation in Infrastructure: Lessons from ICSID," First OECD Conference on Investment for jobs and development in Latin America and the Caribbean, Santiago, Chile (September 2010). Panel participant: Kassi Tallent.
  • "Public Policy and the Interpretation of Substantive Standards and Protections: Is There a Place for Margins of Appreciation and Standards of Review in Applying International Investment Standards?," Third Annual Juris Conference on Investment Treaty Arbitration: A Debate and Discussion – Interpretation in Investment Treaty Arbitration, Washington, D.C. (April 2009). Presenter: Kassi Tallent.
  • "Recent Developments in Arbitration in Latin America," Crowell & Moring LLP, Washington, D.C. (April 2008). Presenter: Kassi Tallent.
  • "Potential Benefits of Arbitration with a Chinese Counterparty," Mealey's Product Recall Conference: Made In China and Beyond, Washington, D.C. (December 2007). Presenter: Kassi Tallent.


  • "The Mining Law Monitor," Crowell & Moring Publication, Vol. 27, Issue 1 (Winter 2014). Editor: Daniel W. Wolff; Authors: Thomas C. (Tim) Means, Sherrie A. Armstrong, Jonathan S. Kallmer, Ashley R. Riveira, Kassi D. Tallent, Willa B. Perlmutter, and Edward M. Green.
  • "Responsabilidad Estatal en Números: Hacia una interpretación adecuada de la preponderancia de los países latinoamericanos en arbitraje internacional de inversión"/ "State Responsibility by the Numbers: Towards an Understanding of the Prevalence of the La (June 2010). Author: Kassi D. Tallent.
  • "The Tractor in the Jungle: Why Investment Arbitration Tribunals Should Reject the Margin of Appreciation Doctrine," Investment Treaty Arbitration and International Law, Vol. 3, Ed. T.J. Weiler & Ian Laird (May 2010). Author: Kassi D. Tallent.
  • "The Effect of BITs on the International Body of Investment Law: The Significance of Fair and Equitable Treatment Provisions," The Future of Investment Arbitration, ed. Catherine A. Rogers & Roger P. Alford (2009). Co-authors: Arif Hyder Ali and Kassi D. Tallent.
  • Case Note, Berschader and Berschader v. Russian Federation, Award and Dissenting Opinion and Correction, SCC Case No 080/2004, IIC 314 (2006), Oxford University Press (February 2009). Author: Kassi D. Tallent.
  • "Proportional Autonomy: addressing delay in international arbitration through a deadline for the rendering of final awards," Dispute Resolution International, Journal of the Dispute Resolution Section of the International Bar Association, Vol. 2 No. 2 (September 2008). Co-Authors: Baiju S. Vasani and Kassi D. Tallent.
  • "U.S. Judicial Policies in Arbitration," Legal Business Arbitration Report (2008). Co-Authors: Arif Hyder Ali and Kassi D. Tallent.
  • Case note, Industria Nacional de Alimentos v. Peru, Decision on Annulment and Dissenting Opinion, ICSID Case No. ARB/03/4; IIC 300 (2007), Oxford University Press (March 2008). Author: Kassi D. Tallent.
  • "What are Human Rights?: A Brief History of International Human Rights Law and Practice," Living Newspaper Resource Guide, University of Texas Humanities Institute (2006). Co-authors: Karen Engle and Kassi D. Tallent.

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Jan.26.2012 Crowell & Moring Elects Seven New Partners and Promotes 22 Attorneys to Counsel Positions
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