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Dr. Johannes P. Willheim


(T) +49.69.9726.3985
(F) +49.69.9726.3993
(T) +44.20.7039.5959
(F) +44.20.7039.5999


  • The University of Chicago (LL.M. 2004); King's College London (Postgraduate Diploma in EC Competition Law 2003); University of Vienna (Dr. iur. 2002; Mag. iur. 1997); University of St. Gallen (Master of European and International Business Law 2001); Yale University (Summer programs in Business and Law, 1991 and 1992)

Bar Admissions

  • Austrian Bar and registered European attorney with the Frankfurt Bar

Johannes Willheim has 20 years of experience in large-scale and high-stakes international arbitration and complex litigation involving antitrust, corporate and post-transaction, energy, engineering and construction (EPC and EPCM), distribution, insurance, IP, and regulatory disputes. Johannes also is experienced in arbitrating and litigating cases involving EU competition law, distribution, and IP (including patent) issues both on the enforcement and defense sides. He is currently handling major gas price revision disputes throughout Europe for one of the world's leading producers of natural gas. Johannes works out of the Firm's Frankfurt, London, and Paris Offices.

Johannes's work is characterized by a holistic approach aimed at the effective and efficient management of disputes and their resolution. He acts as a trusted party advisor to clients prior to, during, and post formal proceedings, as well as an advocate in formal arbitration, litigation, and ADR proceedings. Johannes has been appointed as an arbitrator, mediator, and independent expert in DIS, ICC, VIAC, and other institutional and ad hoc arbitration and mediation proceedings.

In addition to his disputes work, Johannes coordinates the Firm's Austrian law desk, which includes several lawyers admitted to the Austrian bar who offer a wide range of Austrian corporate, commercial, and regulatory services, particularly in the areas of M&A and financial services transactions. He and his Austrian qualified colleagues regularly represent Jones Day clients before Austrian courts and governmental authorities.

Johannes is a guest lecturer on topics relating to international arbitration at academic institutions around the globe, and he is a frequent speaker at arbitration, antitrust, and energy conferences. He is the author of numerous publications related to these topics.

Areas of Focus

Honors & Distinctions

  • Member of the:

    ICC Commission on Arbitration and Dispute Resolution

    ICC Commission on Competition

    Austrian Arbitration Association (ArbAut)

    Dutch Arbitration Association (DAA)

    German Arbitration Association (DIS)

    Swiss Arbitration Association (ASA)

    Austrian and German Association for Cartel Law (Studienvereinigung Kartellrecht)

    International Bar Association (IBA)

    International Section of the American Bar Association (ABA)


German, English, French
Johannes Willheim