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Chestnut Cambronne has over fifty years of experience representing clients in class action litigation both in Minnesota and nationally. Chestnut Cambronne has successfully represented both plaintiffs and defendants in complex class actions addressing substantive legal questions in the areas of data breaches, securities, consumer protection, antitrust, ERISA, and banking. Chestnut Cambronne has also represented shareholders in derivative cases involving corporate management wrongdoing.

Most recently, Chestnut Cambronne has represented banks and credit unions in several data breach cases as they seek to recover damages from merchants, including: In re: Equifax, Inc., Customer Data Security Breach Litigation; The Chipotle Data Breach Litigation; The Wendy’s Company Data Breach Litigation; In re: The Home Depot, Inc., Customer Data Security Breach Litigation; and In re: Target Corporation Customer Data Security Breach Litigation.

Chestnut Cambronne and its attorneys have also served in leadership or executive roles in numerous class action cases including: In re: National Hockey League Players’ Concussion Injury Litigation; Medtronic Infuse Securities Litigation; In re: Moneygram International, Inc. Securities Litigation; In re Mirapex Product Liability Litigation; and In re Xcel Securities, Derivative & ERISA Litigation.

Chestnut Cambronne also served as lead counsel in In re UnitedHealth Group Incorporated Shareholder Derivative Litigation, the largest shareholder derivative recovery in U.S. history which resulted in corporate directors and officers returning over $900 million to the company for the improper backdating of stock options.