Dietmar W. Prager

Partner
New York
Tel: +1 212 909 6243
Overview
Dietmar W. Prager is a litigation partner in the firm’s New York office who focuses his practice on international arbitration and litigation. He ... Read Full Biography

Publications

Upcoming Events

  • Pricing Volatility and Risk Allocation in Commercial Contracts
    27 January 2026
    ICC International Court of Arbitration
    14th ICC MENA Conference on International Arbitration
    Dubai
    Speaking Engagements

Recent Events

  • Contractual Dimension of Investment Arbitration
    2 December 2025
    Latin American Arbitration Association
    23rd ICC Miami Conference on International Arbitration
    Miami, Florida
    Speaking Engagements
  • Res Judicata in Arbitration – The Recent IBA Report
    22 October 2025 2025
    CAM-CCBC and São Paulo Arbitration Week
    Res Judicata in Arbitration
    São Paulo, Brazil
    Speaking Engagements
  • Disputes Involving State and State-Owned Entities: Key Legal and Damages Issues
    18 September 2025
    Osborne Parthers
    India ADR Week 2025
    Delhi, India
    Speaking Engagements
  • The Impact of IBA Guidelines on Conflicts of Interest and the IBA Rules on the Taking of Evidence in International Arbitration
    17 September 2025
    IBA Arbitration Committee
    10 Years of the IBA Guidelines
    New Delhi, India
    Speaking Engagements
  • Res Judicata — From LatAm to the US and Across the Pond
    17 June 2025
    New York International Arbitration Center
    Res Judicata
    New York, NY
    Speaking Engagements
  • Expropriation by Regulation or Enforcement - The New Reality
    1-3 June 2025
    World Association of Mining Lawyers
    WAOML Annual Conference 2025
    Mexico City, Mexico
    Speaking Engagements
  • Striking the Right Chords: Mastering the Instruments for an Efficient Arbitration
    9-10 May 2025
    Vienna International Arbitral Centre
    Vienna Arbitration Days 2025
    Vienna, Austria
    Speaking Engagements
  • IBA Arbitration Committee Town Hall
    2 April 2025
    International Bar Association, Arbitration Committee
    26th Annual IBA Arbitration Day
    London, UK
    Speaking Engagements
  • Res Judicata in International Arbitration
    2 April 2025
    International Bar Association, Arbitration Committee
    26th Annual IBA Arbitration Day
    London, UK
    Speaking Engagements
  • Decoding UNCITRAL: Practical Insights into the Rules
    7 March 2025
    Harvard International Arbitration Law Students Association
    11th Annual Harvard International Arbitration Conference
    Cambridge, Massachusetts
    Speaking Engagements
  • To Be, or Not to Be Sandwiched – The New DIS Supplementary Rules for Third-Party Notices
    21 November 2024
    New York Arbitration Week / German Arbitration Institute
    DIS at New York Arbitration Week
    New York, New York
    Speaking Engagements
  • Introduction to the New IBA Guidelines on Conflict of Interest
    4 November 2024
    NYU Latin American Arbitration Society
    A Guide to the IBA Guidelines on Conflict of Interest in International Arbitration
    New York, New York
    Speaking Engagements
  • IBA Arbitration Committee Breakfast
    18 September 2024
    International Bar Association
    IBA Annual Conference
    Mexico City, Mexico
    Speaking Engagements
  • Addressing Issues of Corruption in International Arbitration
    14 September 2024
    International Chamber of Commerce
    ICC Commission Meeting
    Mexico City, Mexico
    Speaking Engagements
  • New Directions in International Arbitration
    18 June 2024
    Practising Law Institute
    International Arbitration 2024
    New York, New York
    Speaking Engagements
  • Settlement Mechanisms For International Mining Disputes: What Works And What Does Not?
    7 March 2024
    Institute for Transnational Arbitration (ITA)
    2nd ITA Conference on International Arbitration in the Mining Sector
    Toronto, Canada
    Speaking Engagements
  • Parallel Proceedings – Arbitrators Between a Rock and Hard Place
    2 February 2024
    International Bar Association
    When Arbitration Meets Crime
    Sao Paulo, Brazil
    Speaking Engagements
  • Class Arbitration and Claims by Non-parties
    2 November 2023
    International Bar Association
    International Bar Association Annual Conference
    Paris, France
    Speaking Engagements
  • Addressing Issues of Corruption in International Arbitration
    27 October 2023
    ICC
    ICC Commission Meeting
    Paris, France
    Speaking Engagements
  • Tendencias en el Arbitraje de Inversión en Latinoamérica: Actualidad y Desafios
    30 August 2023
    CAM Santiago, ALARB and ICSID
    Santiago, Chile
    Speaking Engagements
  • Economic and Political Sanctions: Lessons Learned, Current State of Affairs and Assumptions for the Future of International Arbitration
    27 October 2022
    ICC
    20th ICC Miami Conference on International Arbitration
    Miami, Florida
    Speaking Engagements
  • Parent Company Liabilities for Subsidiaries
    22 May 2022
    World Association of Mining Lawyers
    WAOML’s Annual Conference 2022
    Dubrovnik, Croatia
    Speaking Engagements
  • Consolidation of Parallel Proceedings
    19 April 2022
    Law School of University of São Paulo
    Fundação Arcadas
    São Paulo / Webcast
    Speaking Engagements
  • Keynote Address
    31 March - 1 April 2022
    Harvard International Arbitration Law Students Association
    8th Harvard International Arbitration Conference: Clash of Cultures? Civil & Common Law Traditions in International Arbitration
    Webcast
    Speaking Engagements
  • El Nuevo Panorama de Resolución de Conflictos y Arbitraje Internacional en Perú
    16 February 2022
    AMCHAM
    Webcast
    Speaking Engagements
  • Reforms Mexico has Implemented in the Energy Sector
    25 January 2022
    Mexican Bar Association, Nuevo Leon Chapter
    El ABC de la Reforma Energética: Aspectos Domésticos y Tratados Internacionales
    Webcast
    Speaking Engagements
  • Re-engineering Construction Arbitration - Designing a Process Which is Fit for Purpose
    19 October 2021
    Debevoise & Plimpton LLP and Pinheiro Neto
    Webcast
    Speaking Engagements
  • Investment Treaty Protections for the Banking Sector
    15 October 2021
    Debevoise & Plimpton LLP
    Speaking Engagements
  • Winds of Change: The Impact of Regulatory Changes in Latin America on International Arbitration
    8-9 September 2021
    Institute for Transnational Arbitration and The Latin American Association of Arbitration
    2021 ITA-ALARB Americas Workshop
    Webcast
    Speaking Engagements
  • International Arbitration of Mining Disputes
    9 June 2021
    Debevoise & Plimpton LLP and the World Association of Mining Lawyers
    Webcast
    Speaking Engagements
  • Aren’t We Forgetting What Arbitration is For: Dispute Resolution, Not Creation?
    29 March 2021
    KCAB International and Zeiler Floyd Zadkovich
    KCAB International Seminar
    Webcast
    Speaking Engagements
  • Recent Measures and the Rights and Remedies that are Available under International Treaties to Investors in the Argentine Energy Sector
    26 August 2020
    Debevoise & Plimpton LLP
    Argentina: Energy Regulations and Dispute Resolution
    Online
    Speaking Engagements
  • Efficiency in Arbitration
    22 June 2020
    Debevoise & Plimpton LLP
    Webinar
    Speaking Engagements
  • Arbitration Committee Breakfast
    22-27 September 2019
    International Bar Association
    International Bar Association Annual Conference 2019
    Seoul, Korea
    Speaking Engagements
  • Hot Topics in International Arbitration
    22 - 27 September 2019
    International Bar Association
    International Bar Association Annual Conference 2019
    Seoul, Korea
    Speaking Engagements
  • Clauses on Price Readjustment (Cláusulas de Rajuste de Precio)
    16 May 2019
    International Chamber of Commerce
    2nd ICC Colombia Arbitration Day
    Bogotá, Colombia
    Speaking Engagements
  • Transparency in Investment Arbitration: Latest Developments
    25 October 2018
    Ministry of Finance of the Czech Republic
    8th Investment Treaty Arbitration Conference
    Prague, Czech Republic
    Speaking Engagements
  • Master Class Debate
    8 October 2018
    Iberian Lawyer Master Class
    Is the Enforcement of Arbitral Awards at Risk?
    Rome, Italy
    Speaking Engagements
  • Sailing Close to the Wind: M&A and Arbitration in Latin America in a New Geopolitical Era
    7 June 2018
    Debevoise & Iberian Legal Group
    Sailing Close to the Wind: M&A and Arbitration in Latin America in a New Geopolitical Era
    Debevoise & Plimpton, New York
    Speaking Engagements
  • Relevant Issues in Investor State Arbitration
    3-4 May 2018
    The Center for American and International Law
    1st ITA-ALARB Joint Conference on International Arbitration
    Santiago, Chile
    Speaking Engagements
  • Reforming Commercial Arbitration in Response to Legitimacy Concerns
    15-18 April 2018
    International Council for Commercial Arbitration
    24th ICCA Congress
    Sydney, Australia
    Speaking Engagements
  • Cross-Examination of a Damages Expert
    3-4 May 2018
    The Center for American and International Law
    1st ITA-ALARB Joint Conference on International Arbitration
    Santiago, Chile
    Speaking Engagements
  • Manejo eficiente de desafios en proyectos de infraestrutura
    28 February 2018
    Ferrere Abogados
    Manejo eficiente de desafios en proyectos de infraestrutura
    Montevideo, Uruguay
    Speaking Engagements
  • Arbitration in the Face of an Anti-Trade Political Atmosphere
    5-7 November 2017
    International Chamber of Commerce
    15th ICC Miami Conference on International Arbitration
    Miami, Florida
    Speaking Engagements
  • Examination of Witnesses in International Arbitration
    15-17 March 2017
    Debevoise & Plimpton
    Mergers and Acquisitions in Latin America: New Opportunities in a Changing Scenario
    Buenos Aires, Argentina
    Speaking Engagements
  • Buscando la rentabilidad de los arbitrajes de construcción desde la perspectiva del árbitro, abogado y cliente
    9 March 2017
    ICC
    Conferencia de la ICC en Bogotá: “Resolución de Disputas de Construcción en Latinoamérica.”
    Bogotá, Colombia
    Speaking Engagements
  • The One Thousand Faces of Double Recovery
    3 March 2017
    Columbia Law School
    Columbia Arbitration Day 2017: “Striking the Balance: Confronting Tensions in International Arbitration”
    New York, New York
    Speaking Engagements
  • Seeking the Right Balance Between Transparency and Confidentiality in International Arbitration
    8 February 2017
    Young International Arbitration Practitioners of New York
    Young International Arbitration Practitioners of New York
    New York, New York
    Speaking Engagements
  • U.S. Infrastructure
    2 February 2017
    Bae Kim & Lee and Debevoise & Plimpton
    Joint Seminar
    Seoul, South Korea
    Speaking Engagements
  • Investment Disputes
    1 February 2017
    Debevoise & Plimpton LLP
    Seminar
    Tokyo, Japan
    Speaking Engagements
  • Investment Disputes
    31 January 2017
    Nishimura & Asahi and Debevoise & Plimpton
    Joint Seminar
    Tokyo, Japan
    Speaking Engagements
  • Tools for Managing the Arbitral Tribunal: Tips from Counsel, Arbitrators and Institutions
    13 January 2017
    ICC, ITA & IEL
    4th Annual ITA-IEL-ICC Joint Conference on International Energy Arbitration
    Houston, Texas
    Speaking Engagements
  • Witnesses and Experts in International Arbitration
    18 October 2016
    ICDR, AAA, CAC, CCB
    The 5th ICDR & CCB International Arbitration & Mediation Conference: The Future of International Commercial Arbitration
    Bogotá, Colombia
    Speaking Engagements
  • Selecting the Arbitral Tribunal
    7 October 2016
    AIJA
    8th Annual Arbitration Conference 2016
    New York, New York
    Speaking Engagements
  • Mediación Internacional: ¿dos Países, dos Mundos?
    5 May 2016
    Comité Español de Arbitraje
    Comité Español de Arbitraje
    Madrid, Spain
    Speaking Engagements
  • Conducción de la Fase Probatoria: Confidencialidad y ‘Privilege’
    25 April 2016
    ICC
    2do Foro ICC de Santo Domingo
    Santo Domingo, Dominican Republic
    Speaking Engagements
  • El Contrainterrogatorio en Arbitraje Internacional
    14 April 2016
    Mexican Bar Association and ICC Mexico
    Mexican Bar Association and ICC Mexico
    Mexico DF, Mexico
    Speaking Engagements
  • What are the Challenges and Particularities of Arbitrations Involving States and State-Owned Entities?
    17 March 2016
    Global Arbitration Review
    4th Annual GAR Live Brazil
    São Paulo, Brazil
    Speaking Engagements
  • Comprender el Rol y las Potestades del Arbitro Internacional
    10 October 2015
    International Centre for Dispute Resolution and the Bogota Chamber of Commerce
    4ta Conferencia Internacional de ICDR y CCB sobre Arbitraje Internacional y Mediación
    El Futuro del Arbitraje Comercial Internacional, Bogotá, Colombia
    Speaking Engagements
  • Investment Arbitration
    5 October 2015
    International Bar Association
    IBA Annual Conference
    Vienna, Austria
    Speaking Engagements
  • Is International Arbitration Really Open to New Faces?
    17 June 2015
    The Institute for Transnational Arbitration
    The 27th Annual ITA Workshop: Subconscious Influences in International Arbitration
    Westin Galleria, Dallas, Texas
    Speaking Engagements
  • Normas Aplicables en el Arbitraje de Inversiόn
    2 June 2015
    Asociaciόn Latinoamericana de Arbitraje
    Conferencia Annual de la Asociaciόn Latinoamericana de Arbitraje
    Bogotá, Colombia
    Speaking Engagements