Constance Grieves

Constance Grieves represents companies and individuals in complex commercial litigation in federal and state courts. Her practice focuses on high-stakes business disputes, including fraud, business tort, employment, intellectual property, and False Claims Act matters, with significant experience representing financial institutions. She also handles a broad range of disputes across industries, including matters involving manufacturers and technology companies. Constance prepares and examines fact and expert witnesses, argues substantive motions, and plays a central role in trial preparation and evidentiary hearings.

Constance Grieves represents companies and individuals in complex commercial litigation in federal and state courts. Her practice includes fraud, business tort, employment, intellectual property, and False Claims Act disputes. Constance prepares and examines fact and expert witnesses, argues substantive motions, and plays a central role in trial preparation and evidentiary hearings. Her matters have involved major financial institutions, manufacturers, and technology companies in high-stakes disputes often resolved shortly before trial.

Through her pro bono work, Constance has secured family reunification and negotiated favorable outcomes in complex criminal matters.

Before joining Massey & Gail, Constance clerked for Hon. Robert W. Gettleman, U.S. District Court for the Northern District of Illinois.

Constance earned her J.D. from the University of Chicago Law School, where she served on the Hinton Moot Court Board and as Secretary of the Chicago Law Foundation. She received the Thomas R. Mulroy Prize for Excellence in Appellate Advocacy and the Debra Cafaro Full Tuition Scholarship and completed the Pro Bono Service Initiative.