About Arthur W. Hahn

Arthur Hahn represents major international banks and brokerage firms, international equity and commodity exchanges, and clearinghouses and technology companies in connection with their regulatory, business and litigation needs.

Representing clients before exchanges, regulators and adversaries

An experienced advisor to financial institutions, Arthur assists them in dealing with exchanges, supervises their compliance efforts, advises on trading and sales practices and oversees litigation and enforcement matters. He provides valued guidance on business structuring and strategy, trading rules, technology initiatives, cross-border Securities and Exchange Commission (SEC) and Commodity Futures Trading Commission (CFTC) licenses and international insolvency issues. In addition, Arthur counsels companies on capital formation and mergers and acquisitions.

His clients include the LCH.Clearnet Group, The Mexican Derivatives Exchange (MexDer) and CalPERS. Arthur also provides experienced counsel on legal issues involving high-frequency trading. He is regularly involved in enforcement matters and securities litigation and is a certified mediator, focusing on resolving financial instruments and markets disputes.

As a member of the board of directors of the Futures Industry Association, Arthur is involved in rulemaking and policy discussions involving industry leaders, regulators and legislators.

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Practice Focus

  • Financial services regulation
  • Broker-dealer regulation
  • Private funds and investment management
  • Financial services litigation

Presentations and Events