Amy B. Manning Partner

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Amy serves on the firm’s Executive Committee, the firm’s Board of Partners, and is co-leader of the firm’s Antitrust Practice Group. She is the immediate past chair of the firm’s Antitrust, Trade and Commercial Litigation Department, and also has served as managing partner of the McGuireWoods Chicago office, as co-chair of the Life Sciences Industry Group, and as co-chair of the firm’s Recruiting Committee.

Amy has extensive experience handling criminal and civil antitrust matters for international and U.S. companies, as well as individuals, in federal and state courts and arbitration tribunals throughout the United States. Her cases involve international cartels, price fixing, market allocation, bid rigging, tying arrangements, bundling, monopolization, attempted monopolization, and Robinson-Patman Act claims. In addition, she regularly advises clients on distribution relationships, compliance matters, and other antitrust issues related to day-to-day business operations. She is a frequent author and speaker on numerous topics relating to antitrust, government investigations, compliance issues, and the life sciences industry. She also has designed and implemented numerous national and international compliance programs.

Amy’s practice also focuses on complex commercial litigation, including class actions, breach of contract actions, commodities litigation, multi-district litigation, healthcare litigation, civil RICO litigation, real estate disputes, and intellectual property disputes. She has first chaired arbitrations, trials and appeals. Her arbitration practice includes international, domestic, and class action arbitrations before various tribunals.

She has argued and handled federal appeals, and recently argued and won an appeal in an antitrust and patent case pending in the United States Court of Appeals for the Third Circuit.

Notably, as part of the McGuireWoods team, Amy helped secure a May 2010 victory on behalf of Jo Tankers before the U.S. Supreme Court in Stolt-Nielsen v. Animalfeeds Int’l, 130 S. Ct. 1758 (2010), which held that the respondents could not be compelled under the Federal Arbitration Act to engage in class arbitration where the arbitration agreement was silent on the issue of class arbitration.

Honors and Recognition

Amy has been recognized by the legal industry and business community for her contributions, including:

  • Named to “Lawdragon 500 Leading Litigators in America,” Lawdragon, 2022, 2023, 2024
  • Named to “Illinois Super Lawyers,” Business Litigation, Antitrust Litigation, Super Lawyers, Thomson Reuters, 2007-2024
  • Selected for inclusion in “Legal 500 United States,” Antitrust – Civil Litigation/Class Actions: Defense, 2020-2023; Antitrust – Cartel, 2021-2023; General Commercial Disputes, 2023
  • Named to “2022 Midwest Trailblazers,” The American Lawyer, 2022
  • Named one of Chicago’s Notable Gen X Leaders in Accounting, Consulting & Law, Crain’s Chicago Business, 2021
  • Named to “Women in Antitrust,” Global Competition Review, 2021
  • Selected for inclusion as a “Leading Lawyer,” Leading Lawyers Magazine, 2021
  • Selected for inclusion in International Who’s Who of Competition Lawyers, Global Competition Review, 2019, 2020
  • Selected for inclusion in America’s Leading Lawyers for Business, Antitrust, Illinois, Chambers USA, 2013-2023
  • Named as one of the Top 50 Women in “Illinois Super Lawyers,” 2019
  • Selected for inclusion as a “Leading Lawyer,” Antitrust: Civil Litigation and Class Action, Illinois, Legal 500 US, 2017, 2018
  • Named one of Chicago’s Most Influential Women Lawyers, Crain’s Chicago Business, 2017
  • Nominated, “Women of Influence” Awards, Coalition of Women’s Initiatives in Law and Best Lawyers, 2017
  • Named one of six finalists shortlisted as “Best in Antitrust/Competition” for Euromoney Legal Media Group’s sixth annual Americas Women in Business Law Awards, 2017
  • Named a “Mergers & Acquisitions and Antitrust Trailblazer,” The National Law Journal, 2016
  • Featured by the Chicago Lawyer in an article titled, “The Leading Ladies of Chicago Law Firms,” May 2016
  • Inaugural Recipient, David Gotaas Community Supporter Award, American Councils for International Education’s Kosovo American Education Fund, 2016
  • Named to “Who’s Who in Chicago Business,” Crain’s Chicago Business, 2013-2016
  • Selected for inclusion in “Top 100 Women & Top 100 Women Business Lawyers in Illinois,” Leading Lawyers Magazine, March 2015
  • Named by the Global Competition Review in an article about the Illinois competition bar where Amy and her team received a rating of “Highly Recommended,” January 2015
  • Named to “The International Who’s Who of Competition Lawyers & Economists,” Global Competition Review, 2014, 2015
  • Recipient, Top Women Lawyers in Leadership Award, Women’s Bar Association of Illinois, 2014
  • Listed in Guide to Medical Device Lawyers, Illinois Antitrust, First Edition, 2012, 2013
  • Featured by the Chicago Lawyer in an article titled, “Women In Law 2012 – Women Making an Impact,” May 2012
  • Featured in the Super Lawyer magazine, 2011
  • Selected as a “Leading Lawyer,” Antitrust Law and Commercial Litigation, Leading Lawyers Network Magazine, Women’s Edition, Law Bulletin Publishing Company, 2009
  • Featured by the Chicago Lawyer as one of six attorneys profiled as “The Next Generation of Leaders” (June 2009), and again in the follow-up profile titled “Four Years Later…” (Oct. 2013).
  • Featured by Global Competition Review in its issue on Women In Antitrust, May 2009
  • Listed in “Who’s Who in American Law,” Marquis Who’s Who, 2007-2008
  • Recipient, National Association of Women Business Owners 2006 Corporate Woman of Achievement Award, 2006
  • Recipient, Thomas P. McAulroy Award for Outstanding Appellate Advocacy with Highest Distinction, 1992
  • AV Rated, Martindale-Hubbell

Amy is also an active member of the American Bar Association Antitrust Section. She was Vice Chair of the 2020 and 2022 ABA Antitrust Section International Cartel Workshops, while also serving as Moderator for a panel demonstration on taking a criminal antitrust case to trial.  The International Cartel Workshop is recognized globally as the premier international cartel conference with top competition and antitrust regulators and practitioners attending from around the world. Amy also was a Faculty Speaker on two panels for the 2018 (Paris) and 2016 (Tokyo) ABA International Cartel Workshop, a Faculty Speaker at the 2018, 2017, 2016 and 2015 ABA Antitrust Section Spring Meeting, and was on the Steering Committee and a speaker at the 2014 ABA International Cartel Workshop. She also spoke at the Clayton Act 100th Anniversary Symposium.  She is the chair of the ABA Antitrust Section Long Range Diversity Planning Committee (2022), a former member of the ABA Antitrust Section Council (2018-2021), the former Co-Chair of the ABA Antitrust Section Operations Committee (2015-2018), and the former Chair of the ABA Antitrust Section Civil Practice and Procedure Committee (2012-2015). She also served as Chair of the Chicago Bar Association’s Antitrust Law Committee (2007-2008).

While earning her law degree at the University of Chicago Law School, Amy won the University of Chicago Hinton Moot Court Competition before Justice Antonin Scalia of the U.S. Supreme Court. As an undergraduate, she earned departmental honors for her research thesis on The Teratogenic Effects of Alcohol Upon Raticus Albinicus Norwegicus.

Community Involvement

Amy is the former two-time Chair of the American Diabetes Association Chicago Board and is a current member of the board. She has been the recipient of the ADA’s Top Individual Fundraiser Award for the Chicago Step Out Walks in 2011-2018. Amy also is a board member for the Chicago Bar Foundation and a former member of The Negaunee Music Institute at the Chicago Symphony Orchestra.


  • Representation of Fresenius Kabi as a plaintiff in an antitrust lawsuit.
  • Defense of multiple corporations in investigations by the Antitrust Division, Department of Justice.
  • Representation of Horizon Lines, Inc. in a criminal investigation by the Antitrust Division of the U.S. Department of Justice of price-fixing of ocean transportation rates between the United States mainland and Puerto Rico, Alaska and Hawaii and defense of related treble-damage actions brought by customers seeking to recover damages as a result of the alleged conspiracy. United States v. Horizon Lines, Inc. (U.S. District Court for the District of Puerto Rico) and In Re: Puerto Rican Cabotage Antitrust Litigation MDL 1960, (U.S. District Court for the District of Puerto Rico).
  • Representation of Jo Tankers, Inc., a carrier of liquid chemicals in parcel tanker vessels in international cartel investigation and related treble damage actions alleging price fixing and bid rigging. In re: Parcel Tanker Antitrust Litigation (U.S. District Court for the District of Connecticut 2003).
  • Defense of multiple high-level executives in investigations by the Antitrust Division, Department of Justice.
  • Creation and implementation of multiple international compliance programs for global companies.
  • Representation of ADM Investor Services, Inc. in a case alleging the sale of illegal off-exchange futures contracts in violation of the Commodity Exchange Act, as well as fraud and breach of contract; and summary judgment was granted in favor of ADM Investor Services after close of discovery. Asa-Brandt, Inc., et al. v. ADM Investor Services, Inc., et al. (U.S. District Court for the Northern District of Iowa).