Christopher M. Sheehan is a member of the firm’s Litigation Department, Business Litigation Practice Group, and Antitrust and Competition Law Practice, and represents clients in a wide array of complex, high-stakes commercial disputes and government investigations.

As a member of the firm’s Antitrust and Competition Law Practice, Mr. Sheehan helps clients navigate complex antitrust matters, including those centered around alleged violations of the Sherman Act.  His experience includes litigating allegations of wrongful and anticompetitive conduct in a variety of industries and markets, including healthcare, health insurance, and energy sector markets.

As a member of the firm’s Business Litigation Practice Group, Mr. Sheehan also helps represent companies throughout the country at both the trial and various appellate levels in other high-stakes commercial litigation matters. For example, Mr. Sheehan served as part of a team representing a major competitor in the food processing industry in a highly-contentious patent infringement action; served as a member of a trial team representing an actuarial consulting firm in litigation involving a massive self-funded health insurance program; helped to represent a private label credit service provider in an appeal before the Seventh Circuit Court of Appeals; served as part of a team representing a large government contractor in a False Claims Act suit; and represented clients in a variety of contentions ERISA matters. In addition, Mr. Sheehan has helped represent Fortune 500 companies in high-stakes investigations initiated by government agencies.

Throughout his career, Mr. Sheehan also has maintained a commitment to pro bono work and civic engagements.  As an example, he helped to represent a city municipality before the US Supreme Court in a Section 1983 civil action involving complex issues surrounding pretrial detainee rights.  And in 2018, the Northern District of Illinois and the Chicago Chapter of the Federal Bar Association presented Mr. Sheehan and a team of Jenner attorneys with their annual “Award for Excellence in Pro Bono Service” in recognition of the firm’s representation of an incarcerated individual in a Section 1983 civil suit. He also is a member of Lurie Children’s Hospital’s Children’s Research Fund Junior Board.

Mr. Sheehan graduated from the University of Notre Dame with a BA in Political Science, and later received his JD from Notre Dame Law School.  While at Notre Dame, Mr. Sheehan competed on the university’s undergraduate mock trial team where he served as captain.  In 2005, he was awarded the Outstanding Attorney Award from the American Mock Trial Association for perfect scores in oral advocacy and overall case-in-chief.  While attending Notre Dame Law School, he served as an active member of the law school’s appellate moot court team.