Ms. Manning’s practice focuses on complex commercial litigation, including antitrust litigation, class actions, commodities litigation, multidistrict litigation, health care litigation, civil RICO litigation, and intellectual property disputes. Her responsibilities have included arbitrations, trials, first chair trial experience and appeals.

Her arbitration practice has included international, domestic, and class action arbitrations before various tribunals.

Ms. Manning focuses much of her practice on antitrust matters. She has handled numerous civil and criminal antitrust matters in federal and state courts and arbitration tribunals throughout the United States. Her cases have involved price fixing, market allocation, tying arrangements, international cartels, monopolization, attempted monopolization, monopoly leveraging, Robinson-Patman Act claims, and antitrust conspiracies. She has also counseled clients regarding antitrust matters.

Ms. Manning has designed and implemented national and international compliance programs. She has spoken on antitrust, compliance, privilege and e-discovery issues. She is also a published author on antitrust matters.

Her commodities law practice has included representing futures and commodities advisors, futures commission merchants and introducing brokers. She has represented such clients in litigated matters in federal courts, and in C.F.T.C. actions.

Ms. Manning is the 2007-2008 chairman of the Chicago Bar Association’s Antitrust Law Committee. She was recently named to Lawdragon’s 500 New Stars, New Worlds list, and Lawdragon's 3000 Leading Lawyers in America. She received the National Association of Women Business Owners 2006 Corporate Woman of Achievement Award.

Ms. Manning currently co-leads the Life Sciences Industry Group.