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Matthew J. Weldon

Fax +1.212.536.3901
Matthew Weldon is a partner in the firm’s New York office and is a member of the international arbitration group. He focuses his practice primarily on international dispute resolution, and has extensive experience conducting international commercial arbitrations, investment treaty arbitrations, and acting in complex cross-border litigation. Mr. Weldon also counsels a variety of businesses on structuring and strategies related to international disputes resolution, and he provides commercial legal advice to foreign companies conducting business in the United States.

Mr. Weldon has served as counsel in arbitrations conducted under the rules of the ICC, AAA, ICDR, SIAC, LCIA, ICSID and UNCITRAL, and in litigation before state and federal courts. Mr. Weldon is an advisory board member of the Institute for Transnational Arbitration and editor of the World Arbitration and Mediation Review (now ITA in Review), and is actively involved as a speaker and author in connection to various other international dispute resolution working groups and publications.

Mr. Weldon’s experience spans a variety of sectors, including construction, distribution, finance, manufacturing, mining, oil & gas, sovereigns, technology, and transportation, as well as a number of legal areas, including commercial contracts, intellectual property, joint ventures, licensing, and treaties.

Professional Background

Prior to joining the firm, Mr. Weldon was a partner in the New York office of a large U.S. law firm. In 2009, he was a visiting researcher at Oxford University, Centre for Socio-Legal Studies, focusing on comparative legal studies and international arbitration. In addition, Mr. Weldon completed the Annenberg-Oxford Media Policy Summer Institute, University of Oxford / University of Pennsylvania in 2007.


  • Super Lawyers – Rising Stars, 2014, 2015, 2016, 2017, 2018, 2019

Professional/Civic Activities

  • Global Advisory Board (GAB) of the International Centre for Dispute Resolution’s Young & International group.
  • Advisory Board, Institute for Transnational Arbitration
  • Editorial Board, ITA in Review
  • American Bar Association, Section of International Law
  • ICC Young Arbitrators Forum (YAF)
  • LCIA Young International Arbitration Group
  • Young SIAC

Speaking Engagements

  • How to Know and Understand Arbitrators from Chinese, Asian and Global Perspectives - CYAG / ICDR Y&I Beijing (2017)
  • ICDR Y&I Roundtable @ FDI Moot Regional Rounds Seoul (2017)
  • ICDR & ICDR Y&I Tertulia: Deliberating the Deliberations - The ICDR Miami International Arbitration Conference (2016)
  • Oil & Gas Arbitration: A Primer on Dispute Resolution Clauses for Transactional Lawyers - ICDR / AIPN Dispute Resolution Conference (2014)
  • Program Chair, Understanding Necessary Regulatory and Legal Frameworks for the Mineral, Petroleum and Natural Gas Sectors - 2014 ABA Section of International Law "Doing Business in Africa" Teleconference Series (2014)
  • Moderator, Trends in International Arbitration and Mediation Panel - Cardozo School of Law Journal of Conflict Resolution Spring 2014 Symposium (2014)

Additional Information

  • Visiting Scholar, Oxford University
  • Corporate Counsel Manuel for Cross-Border Dispute Resolution in India [CPR 2019]
  • Using Anti-Suit Injunction to Enforce Arbitration Agreements [Law360]
  • China’s Belt & Road Initiative: A Conversation with Dr Gabriel Lentner on Investment Protection
  • Suit Injunctions and Anti-Arbitration Injunctions in the US Enjoining Foreign Proceedings [Practical Law]
  • The Year in Review (2015) [ABA Section of International Law and Practice]
  • The International Comparative Legal Guide to: Litigation & Dispute Resolution 2014 (7th Edition)
  • The Year in Review 2013 - An Annual Survey of International Legal Developments [ABA]
Investment Treaty and Commercial International Arbitration (Construction, Joint Ventures, Mining, Oil & Gas, Transportation, Life Sciences, Intellectual Property)
  • Representation of European sovereign in US$350 million ICSID arbitration under the Energy Charter Treaty (ECT) concerning offshore oil & gas project
  • Representation of Japanese multinational in US$200+ SIAC arbitration seated in Singapore concerning trademark licensing agreement
  • Representation of Taiwanese electronics manufacturing in multi-million dollar UNCITRAL arbitration seated in New York concerning patent licensing agreement
  • Representation of Indian conglomerate in US$25 million ICC arbitration seated in New York concerning joint venture dispute relating to mining project in South American
  • Representation of German investor in US$500+ ICSID arbitration with Middle Eastern sovereign
  • Representation of Chinese SOE in US$75 million ICDR arbitration seated in New York concerning JOA dispute related to Indonesian Oil & Gas project
  • Representation of Southern American investors in US$100 million UNCITRAL arbitration with North American sovereign
  • Representation of Israeli pension fund in US$15 million AAA arbitration seated in New York concerning loss of investments
  • Representation of American construction company in US$40 million Association of Arbitrators (Southern Africa) arbitration seated in London concerning construction of mine in Africa (FIDIC Red Book)
  • Representation of Taiwanese pharmaceutical company in relation to termination of license agreement relating to drug development
  • Representation of Australian life sciences company in ICDR arbitration / mediation concerning termination of distribution and license agreement relating to development and distribution of OTC products
  • Representation of American airline in US$10 million SIAC arbitration seated in Toronto concerning charter agreements, and in US$97 million dispute involving payment dispute with foreign sovereign involving U.S. litigation and India-based settlement procedures
  • Representation of Austrian company in multi-million dollar ICC arbitration concerning delivery of turnkey plant in the Middle East
  • Counseling American office supply corporation concerning termination of Indian joint venture and SIAC arbitration procedures
  • Representation of Italian company in ICDR arbitration seated in New York concerning patent licensing dispute
  • Representation of American government consulting company in US$2 million AAA Commercial Rules arbitration concerning breach of consulting agreement
  • Representation of African sovereign in multi-million dollar investor-state ICSID arbitration concerning annulment
International Litigation
  • Representation of C=Holdings B.V. in dispute concerning Commodore trademark ownership dispute and obtained $1.27 million judgment (C=Holdings B.V. v. Asiarim Corp., et al., 922 F.Supp.2d 223 (S.D.N.Y. 2013))
  • Representation of Schutte Bagclosures Inc. in dispute concerning trademark infringement (Schutte v. Kwik Lok Corp., 48 F. Supp. 3d 675, 702 (S.D.N.Y. 2014))
  • Representation of partner (Wilson) in disputes concerning ownership and control rights of multibillion-dollar Brazilian companies, and partnership and contractual disputes (Wilson v. Dantas et al.)
  • Representation of foreign designer in copyright infringement action brought under the Berne Convention for the Protection of Literary and Artistic Works and prevailed on summary judgment
  • Representation of Sharp Corporation in dispute concerning unfair competition law (Sharp Corporation v. Hisense USA Corporation)
  • Representation of SIMO Holdings, Inc. in dispute concerning patent infringement and prevailed at trial (SIMO Holdings Inc. v. uCloudlink Network Technology Limited)
  • Representation of Lydia Scheck and Dieter Scheck in dispute concerning multi-billion dollar sovereign debt default and obtained first-of-their-kind favorable decisions related to the Hague Service Convention, the Foreign Sovereign Immunities Act and post-judgment discovery against a sovereign (Scheck et al. v. The Republic of Argentina, 10 CV 5167 (TGP) (S.D.N.Y))