Professional Biography

Jon R. Buck Partner

Litigation Lead, Chicago Office

  • Chicago

    D +1.312.324.8644

    F +1.312.324.9400


    131 South Dearborn Street, Suite 1700

    Chicago, IL




Jon Buck is a trial lawyer and partner in the firm's Chicago office. He has extensive experience representing numerous FORTUNE 500 companies as well as public and private entities in complex litigation, including most notably in cases involving financial fraud, professional and product liability, shareholder disputes and derivative claims and injunctive proceedings. Jon has successfully won judgments for his clients in both jury and bench trials as well as international and domestic arbitrations.

Jon also has extensive experience with white collar investigations and defense work, and he regularly represents individuals and companies in investigations and related civil and criminal litigation, including in cases involving investigations by the Department of Justice and Securities and Exchange Commission, Foreign Corrupt Practices Act (FCPA) issues, insider trading, financial fraud, municipal bond disclosures and trade secret theft. He has investigated fraud allegations, corruption and corporate compliance issues in Central and South America, Europe and China, as well as in the United States.

Professional Recognition

  • Award for Excellence in Pro Bono Service, from the Judges of the Northern District of Illinois and the Chicago Chapter of the Federal Bar Association, 2010
  • Listed as an Illinois Rising Star as published by Law & Politics, 2009 - 2015

*The Supreme Court of Illinois does not recognize certifications of specialties in the practice of law and no certificate, award or recognition is a requirement to practice law in Illinois.

Related Employment

  • Perkins Coie LLP, Seattle, WA, Summer Associate, 2001
  • Miller Nash, LLP, Portland, OR, Summer Associate, 2000





Areas of Focus

Bar and Court Admissions

  • Illinois

  • U.S. District Court for the Northern District of Illinois

  • U.S. District Court for the Southern District of Illinois

  • U.S. District Court for the Eastern District of Wisconsin

  • U.S. Court of Appeals for the Seventh Circuit


  • The University of Michigan Law School, J.D.,
    magna cum laude, Order of the Coif
    , 2002,
    Associate Editor, Journal of Law Reform
  • University of Puget Sound, B.A.,
    cum laude
    , 1997


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Partner Jon Buck served as editor to White Collar Briefly which offers news and analysis on legal developments relating to White Collar defense issues.