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Lauren Norris Donahue

Lauren Norris Donahue is a partner in the firm's antitrust, competition & trade regulation and investigations, enforcement and white collar practice groups. She focuses her practice on domestic and international internal investigations, corporate criminal defense, complex commercial litigation, and antitrust counseling. Lauren has extensive experience representing clients in government antitrust investigations and enforcement actions before the Department of Justice Antitrust Division, the Federal Trade Commission and state attorneys general, as well as in class actions. Her cases involve a wide range of issues, including price-fixing, market allocation, bid-rigging, no-poach agreements, monopolization, attempted monopolization, fraud, market manipulation, unfair competition and other restraints of trade. Lauren has conducted numerous domestic and global internal investigations for major corporations across a variety of industries. She regularly defends corporations and individuals who are subjects of federal and state grand jury subpoenas, cross-border investigations and enforcement proceedings. She has also successfully represented international and U.S. companies in complex commercial litigation, particularly in antitrust class actions and multidistrict litigation.

Lauren also advises clients on a wide array of antitrust and competition issues, including the antitrust aspects of mergers, acquisitions and joint ventures. Lauren has helped guide the firm's clients through U.S. and international merger clearance, and advises on a number of antitrust issues related to both horizontal and vertical mergers, gun-jumping and pre-merger due diligence and integration planning.

Lauren’s practice includes counseling clients on antitrust compliance to help companies mitigate antitrust risks. She has represented U.S. and multinational corporations in the establishment and maintenance of antitrust compliance and audit programs, regularly provides antitrust compliance training and has been involved in the presentation of companies’ antitrust compliance programs to the Department of Justice Antitrust Division.

Lauren also advises the firm's health care clients on a variety of antitrust and competition issues, including competitor collaborations, information exchanges, group purchasing arrangements, hospital and physician group acquisitions, joint ventures and clinical integration.

Since 2018, Lauren has been recognized as a leading antitrust practitioner in Illinois by Chambers USA. In 2022 and 2023, she was listed by Lawdragon as one of Lawdragon's 500 Leading Litigators in America. In 2021, she was recognized listed by Crain's as a Notable Women in Law. Lauren is also regularly selected by her peers as a “Rising Star” in Illinois for Antitrust Litigation, and is recognized as an Emerging Lawyer in the areas of Antitrust Law and Criminal Defense Law: White Collar by the Leading Lawyers publication. The K&L Gates antitrust and competition group has been recognized by Chambers USA for Antitrust in Illinois (2020-2022), by US News-Best Lawyers: First- Tier Antitrust Law (2017-2022) and as the “Cartel & Trade Regulation Law Firm of the Year in Illinois” by the international review and assessment programs of both Corporate INTL Magazine and Global Law Experts (2016). Lauren is a frequent author and speaker on numerous topics relating to antitrust, government investigations and compliance issues.

Lauren's commitment extends to providing pro bono legal services, and she has successfully represented several individuals seeking asylum in the United States. She is also actively involved in the firm-wide Women in the Profession group and the chair of the Chicago office’s Women in the Profession group, and is the chair of the Chicago office's Associate Development Committee.

Lauren was a summer associate at Bell, Boyd & Lloyd in 2006. During law school, she was a judicial extern to the Honorable Ronald Guzman of the United States District Court for the Northern District of Illinois. Also, she was a law clerk for a small insurance defense firm in Chicago throughout law school.

  • Listed by Chambers USA as Band 3 for Antitrust in Illinois (2021-2022) and as an “Up and Coming” lawyer for Antitrust in Illinois, (2018-2020)
  • Named to Lawdragon 500 Leading Litigators in America (2023 and 2024)
  • Named to Crain’s Notable Women in Law (2020)
  • Named the Illinois Rising Stars list in the area of Antitrust Litigation (2015-2021)
  • Named an “Emerging Lawyer” in the areas of Antitrust Law and Criminal Defense Law: White Collar by Leading Lawyers (2015-2019)
  • American Bar Association, Antitrust Section and Young Lawyers Division
  • Chicago Women in Antitrust Network, Co-Chair
  • American Health Lawyers Association, Antitrust Practice Group Member
  • No Laying Up (NLU) Podcast, Episode 589: AIG Women's Open, Wyndham Recap + LIV/PGA Tour Complaint, 8 August 2023 (guest speaker)
  • Women in Manufacturing: Navigating 2023 Disruptors, 16 May 2023 (co-presenter)
  • Healthcare and the End of Antitrust Safety Zones: Increased Scrutiny of Information Exchanges, Collaborations, Mergers,” Strafford Group, 3 May 2023 (co-presenter) 
  • Expanded Merger Review Under the Biden FTC: Implications for Horizontal and Vertical M&A,” Strafford Group, 2 February 2022 (co-presenter) 
  • “Non-Competes, Wage Fixing, and No-Poach Agreements: Hot Issues and Looming Changes,” The American Law Institute, 1 March 2023 (co-presenter)
  • “Expanded Merger Review Under the Biden FTC: Implications for Horizontal and Vertical M&A,” Strafford Group, 2 February 2022 (co-presenter)
  • New Data Available Under the Hospital Price Transparency Rule (co-presenter), 17 November 2022
  • Antitrust Invades the Workplace: What Employers Need to Know About "No Poach" Agreements, Non-Solicitation Clauses, and Employee Non-Competes (co-presenter), March 2022
  • Antitrust Earthquake! What corporate M&A attorneys need to know about recent developments in antitrust merger enforcement (co-presenter), October 2021
  • “Antitrust Compliance: Developments, Best Practices and New Approaches,” The 33rd Annual Antitrust and Consumer Protection Seminar, Seattle, WA, 2 November 2016 (co-presenter)
  • “Business Risks and Mitigation Strategies for Japanese Companies in an Era of Increased Antitrust Enforcement,” K&L Gates Event, Chiyoda-ku, Tokyo, September 2016 (co-presenter)
  • "Business Risks and Mitigation Strategies in an Era of Increased Antitrust Enforcement,” K&L Gates Event, Chicago, November 2015 (co-presenter)
  • “Cartel and Criminal Practice Update,” ABA Section of Antitrust Law, Cartel and Criminal Practice Committee, March 2015
  • "Federal and State Regulation of Food," Feeding America, Chicago, January 2009 (co-presenter)
Additional Thought Leadership Pages
Additional News & Event Pages
  • Quoted, “New FTC guidelines could complicate UPMC acquisition,” Becker’s Hospital Review, 28 July 2023
  • Quoted, “New Guidelines May Snag UPMC Merger Plan,” Pittsburgh Post-Gazette, 28 July 2023
  • Mentioned, “CALIFORNIA: Parties Seek to Modify Sealing Procedures,” Class Action Prospector, 16 January 2023
  • Mentioned, "DOJ Drops Criminal Price-Fixing Case Against Chicken Cos.," Law360, 15 September 2022
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