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Arthur W. Hahn

Of Counsel
arthur.hahn@kattenlaw.com
Chicago Office
p+1.312.902.5241
f+1.312.577.8892
Overview

Arthur W. Hahn is global co-chair of Katten's Financial Services practice and a member of the firm's Board of Directors. He 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.

An experienced counselor to financial institutions, Arthur represents his clients' interests whether he is interfacing with exchanges, supervising regulatory compliance, advising on principal trading and sales practices issues, or overseeing 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 regarding capital formation and mergers and acquisitions.

His clients include the LCH.Clearnet Group, Bank of New York Mellon Corporation, The Mexican Derivatives Exchange (MexDer), Barclays 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. He is a sought-after lecturer and author on subjects relating to all facets of financial services.

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. 

Shown below is a selection of Arthur’s engagements.

Recognition

Chambers USA - Ranked In, 2017–2018
Chambers Global, Capital Markets: Derivatives – USA, 2018
Super Lawyers, 2005–2011, 2013–2018
Legal 500, 2016, 2018
Best Lawyers in America, 2009–2019

Leading Lawyers Network

Leading Lawyers Network, Top 250 Leading Business Lawyers in Illinois, 2014
Firm News
Arthur W. Hahn

Education

  • JD, Northwestern University School of Law
  • BA, Miami University
  • The London School of Economics and Political Science

Bar Admissions

  • Illinois

Recognition

Chambers USA - Ranked In
2017–2018
Chambers Global
Capital Markets: Derivatives – USA, 2018
Super Lawyers
2005–2011, 2013–2018
Legal 500
2016, 2018
Best Lawyers in America
2009–2019

Leading Lawyers Network

Top 250 Leading Business Lawyers in Illinois, 2014
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Memberships

  • American Arbitration Association
  • Futures Industry Association, Board of Directors
  • Institute for Financial Markets, Executive Committee and Board of Directors
  • Legal Club of Chicago
  • Oxford Press Capital Markets Law Journal, Editorial Board
  • Panel of Recognised International Market Experts in Finance (P.R.I.M.E.)
  • Ravinia Festival, Board of Trustees
  • The Chicago Council on Global Affairs
  • The Economic Club
  • National Futures Association, Board of Directors
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