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Sarah Weber

Chicago Office

Sarah Weber has a broad litigation practice with a focus on disputes related to the financial services industry. She is experienced in litigation and enforcement matters and regulatory and internal investigations and has represented companies and individuals in federal and state court litigation, arbitration, regulatory and enforcement proceedings, white collar criminal matters, and internal investigations.

In the financial services industry, Sarah has represented US and multinational banks, investment advisors and managers, and hedge funds in litigation, arbitration and investigations related to economic sanctions, anti-money laundering, wire fraud, contracts, securities, employment and antitrust. She has counseled various parties in connection with criminal, civil and regulatory investigations by the Commodity Futures Trading Commission, the Securities and Exchange Commission, the Department of Justice, the New York Attorney General, the New York Department of Financial Services, the Federal Reserve Bank of New York and Federal Reserve Board of Governors, the Office of Foreign Assets Control, and the UK Financial Conduct Authority.

Sarah also has experience representing media companies, manufacturing companies, public and private corporations, nonprofit organizations, and individuals in areas including contract disputes, employment class actions, antitrust consent decrees, and False Claims Act litigation and investigations.

Before joining Katten, Sarah worked at a large law firm based in New York. She also clerked for the Honorable Susan Phillips Read on the New York Court of Appeals. While attending law school, Sarah was a member of the University of Chicago Law Review.

Shown below is a selection of Sarah’s engagements.

  • Representation of a large national bank in litigation by a municipal government under the Fair Housing Act.
  • Representation of the Chief Financial Officer of a defense contractor in a civil False Claims Act investigation by the Department of Justice.
  • Representation of a large broker-dealer in an antitrust class action and related litigation involving equities trading.
  • While at a prior firm:
    • Representation of a multinational bank in economic sanctions investigations by various US and foreign civil, criminal and regulatory agencies.
    • Representation of a Wall Street bank in connection with two multibillion-dollar arbitrations stemming from a contract dispute following the 2008 financial crisis.
    • Representation of a manufacturing company in False Claims Act litigation in federal court.
    • Representation of an agricultural commodities company in federal and state court litigation and AAA arbitration related to a chemical supply contract.
Sarah  Weber


  • JD, The University of Chicago Law School
  • BA, Duke University

Bar Admissions

  • Illinois
  • New York

Court Admissions

  • US District Court, Northern District of Illinois
  • US District Court, Southern District of New York
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