Matthew N. Drossos

Partner, Washington, DC



Matthew Drossos is a partner in the Firm's International Arbitration and Litigation Practice Groups. Mr. Drossos has represented clients – including both corporations and sovereign states – on matters before the International Center for the Settlement of Investment Disputes (ICSID), Geneva Chamber of Commerce, the Court of Arbitration for Sport, the International Chamber of Commerce (ICC), and U.S. federal courts. Representative matters have included disputes involving metals and mining, construction, textiles and sovereign financial instruments.

At Georgetown University Law Center, Matthew was Editor-In-Chief of the Georgetown Journal of International Law, and remains an Advisory Board Member for the Journal. 

Matthew is an active member of numerous local bar and arbitration associations. 

Bars and Courts
District of Columbia Bar
New York
US District Court for the Southern District of New York
US Court of Appeals for the Second Circuit
US Court of Appeals for the Eleventh Circuit
Georgetown University Law Center
Dartmouth College


Grupo Unidos por el Canal, Salini-Impregilo S.p.A., Sacyr S.A., Jan De Nul N.V. v. Autoridad del Canal De Panama
Representation of Grupo Unidos por el Canal (GUPC) and its European partners, Salini-Impreglio, Sacyr, and Jan de Nul, in disputes with the Panama Canal Authority (ACP) regarding the construction of new locks at the Panama Canal.

Bursel Tekstil Sanayi Ve Diş Ticaret A.Ş., Burhan Enuştekin, and Selim Kaptanoğlu v. Republic of Uzbekistan
Representing the Republic of Uzbekistan in an ICSID arbitration brought under the Turkey-Uzbekistan BIT with respect to the claimants’ alleged investment in the cotton textile industry in Uzbekistan.

Güneş Tekstil Konfeksiyon Sanayi ve Ticaret Limited Şirketi and others v. Republic of Uzbekistan
Representing the Republic of Uzbekistan in an ICSID arbitration under the Turkey-Uzbekistan BIT concerning a shopping complex.

Spentex Netherlands, B.V. v. Republic of Uzbekistan
Represented the Republic of Uzbekistan in an ICSID arbitration under the Netherlands-Uzbekistan BIT concerning textile companies. Uzbekistan prevailed in obtaining the dismissal of all of the claims totaling US$130 million.

Oxus Gold plc v. Republic of Uzbekistan
Represented the Republic of Uzbekistan in an UNCITRAL arbitration under the UK-Uzbekistan BIT concerning gold and polymetallic mining projects. Uzbekistan prevailed in obtaining the dismissal of more than 99 percent of the claimed US$ 1.33 billion in damages.

Abaclat and others v. Argentine Republic
Represented Claimants in an ICSID arbitration under the Italian/Argentine Bilateral Investment Treaty of their US$1+ billion claim against the Argentine Republic—the largest ever presented to ICSID.

Commercial Arbitration
Representing a Turkish company in a dispute under the auspices of the Geneva Chamber of Commerce involving the Russian natural gas sector.

Speaking Engagements

Panel Member: Global Litigation and Arbitration in 2019: Lessons Learned and the Next Game Changer, The Knowledge Group, 12 March 2019

Panel Member: Third Party Funding for National, Commercial, and International Arbitration, and Judicial and Ethical Implications, 4th International Arbitration Congress, Bogota Chamber of Commerce, 12 April 2018

Panel Member: Protecting ‘Property’ Rights in Investment Treaty Arbitration, Ninth Annual Investment Treaty Arbitration Conference, Juris, February 2015


Are the Right Rights Protected? The Literalist Approach to Determining Protected Rights in International Investment Agreements, in 9 Investment Treaty Arbitration and International Law, 2016, (co-author with S. Paliwal and I. Bellera Landa)

Ten Guidelines for the Cross-Examination of Financial and Technical Experts, chapter in Take the Witness: Cross-Examination in International Arbitration, edited by Lawrence W. Newman and Ben H. Sheppard, June 2010, (co-author with Carolyn B. Lamm and Francis A. Vasquez, Jr.)

Users' Perspectives on Challenges Facing the Institutions in a Changing World, ICSID Review Foreign Foreign Investment Law Journal, Vol. 24, No. 1 Spring 2009, (co-author with Carolyn B. Lamm, Eckhard R. Hellbeck and Michael P. Daly)