Andrew Lacy

Andrew Lacy

PartnerCo-Chair, Antitrust + Competition
Andrew Lacy
Washington, DC
+1 202 346 4182

Andrew Lacy is a co-chair of Goodwin’s Antitrust and Competition practice. He advises clients on transaction-related antitrust risk, negotiating terms of agreements, and determining the applicability of merger clearance filing requirements in both US and foreign jurisdictions. He represents clients before the FTC, DOJ, and state regulators in connection with informal inquiries, Second Requests, conduct investigations, and third-party subpoenas. Andrew has represented clients in merger challenges, class actions and other private antitrust litigation matters. He also provides guidance on antitrust issues related to diligence and pre-closing conduct procedures, internal compliance programs, hiring and non-compete agreements, vendor agreements, and competitor collaboration guidelines.


Andrew's recent representative experience includes:

  • iRobot Corporation in its $1.7 billion proposed acquisition by, Inc.
  • Renesas Electronics Corporation in its proposed acquisition of Transphorm
  • Deciphera Pharmaceuticals in its proposed $2.4 billion acquisition by ONO Pharmaceutical
  • Thoma Bravo and its portfolio company Flexera in the acquisition of IT asset management firm Snow Software
  • Thoma Bravo in its $1.8 billion acquisition of NextGen Healthcare
  • Renesas Electronics Corporation in its acquisition of Sequans Communications
  • Bobbie in its acquisition of Nature’s One
  • Tata Communications in its acquisition of Kaleyra
  • SunMed in its acquisition of Vyaire Medical’s respiratory and anesthesia consumables business
  • SunMed in its definitive agreement to acquire Avanos Medical’s respiratory health business
  • WHP Global in its joint agreement with Express to acquire Bonobos from Walmart
  • Qualtrics International in its $12.5 billion acquisition by Silver Lake, in partnership with CPP Investments
  • Mayfair Equity Partners in its sale of Pixomondo to Sony Pictures Entertainment
  • Poshmark in its $1.6 billion acquisition by Naver Corporation
  • Frazier Healthcare Partners in its $1.5 billion sale of Parata Systems to Becton Dickinson & Co.
  • CPS Solutions in its acquisition of Trellis Rx
  • InterWell Health LLC in its merger with Fresenius Health Partners and Cricket Health to create a new, value based kidney care company
  • Sailpoint in its $6.9 billion acquisition by Thoma Bravo
  • Citrix Systems in its definitive agreement under which affiliates of Vista Equity Partners, and Evergreen Coast Capital Corporation, an affiliate of Elliott Investment Management L.P., acquired Citrix for $16.5 billion
  • Bio Products Laboratory (BPL) and its shareholder, Tiancheng International Investment Limited, in their agreement for BPL to be jointly acquired and combined with Kedrion Biopharma by funds advised by Permira Capital Partners, who have entered into a partnership with Kedrion’s existing shareholders
  • Limelight Networks in its acquisition of Yahoo's Edgecast
  • Tiancheng International Investment Ltd in its sale of Biotest to Grifols for EUR 1.1 billion
  • PointClickCare Technologies on its acquisition of Audacious Inquiry
  • Mimecast Limited in its $5.8 billion acquisition by Permira for approximately $5.8 billion
  • TA Associates Management, L.P. in the sale of its portfolio company, PLS Holdings, LLC to Bentley Systems, Incorporated
  • Lime Rock New Energy, L.P. in its acquisition of Electric Power Engineers, Inc.
  • CSafe Global, a portfolio company of Frazier Healthcare Partners and Thomas H. Lee Partners, in its acquisition of Softbox Systems
  • Argos Health in its merger with EnableComp
  • Lucid Holdings in its $1.1 billion acquisition by Cint Group AB
  • Nimbus Therapeutics in its proposed acquisition by Celgene and Nimbus's related antitrust litigation against Celgene and Bristol Myers Squibb
  • Trillium Therapeutics in its $2.26 billion sale to Pfizer
  • Innovium in its $1.1 billion acquisition by Marvell Technology for $1.1 billion
  • Synaptics Incorporated in its acquisition of DSP Group
  • Waystar in its acquisition of eSolutions, a leading provider of healthcare revenue cycle and Medicare analytics*
  • BMW Group and Daimler AG in FTC clearance of their joint venture in mobility services*
  • HCA in its defeat of plaintiffs’ motion for class certification and ultimate resolution of an antitrust suit involving the wages paid to hospital nurses*
  • MassMutual in its sale of Oppenheimer Funds to Invesco*
  • Oaktree Capital in its sale of a majority interest to Brookfield Asset Management*
  • Avianca in its joint venture with United Airlines*
  • Rolls-Royce Holdings plc in its acquisition of the Industria de Turbo Propulsores SA, a leading aerospace component manufacturer*
  • Siliconware Precision Industries Co., Ltd., in the FTC approval of its merger with Taiwanese competitor Advanced Semiconductor Engineering, Inc.*
  • Holcim in obtaining FTC clearance of its merger with Lafarge*
  • Office Depot in its proposed merger with Staples*
  • and in obtaining dismissal of antitrust class action claims involving the online travel industry*

*Denotes experience prior to joining Goodwin.

Professional Experience

Prior to joining Goodwin, Andrew was a partner at Simpson Thacher & Bartlett.

While in law school, Andrew served as Managing Editor of the Journal on Law and Policy in International Business.


Andrew is a member of the Board of Directors of Legal Aid DC, which is the oldest and largest civil legal services organization in the District of Columbia.




Georgetown University Law Center

BAEconomics and International Studies1997

American University



  • District of Columbia
  • New York


  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the District of Columbia
  • U.S. Court of Appeals for the District of Columbia Circuit
  • U.S. Court of Appeals for the Second Circuit
  • U.S. Supreme Court
  • U.S. Court of Appeals for the Fourth Circuit

Recognition & Awards

Andrew is recognized by The Legal 500 U.S. and as a “Litigation Star” in Competition/Antitrust by Benchmark Litigation. In 2024, he was recognized by JD Supra Readers' Choice Awards for his thought leadership in Antitrust & Trade Regulation. He was previously also a core member of the group recognized as the Antitrust Department of the Year by Chambers USA 2016 and the Antitrust Litigation Department of the Year by The American Lawyer 2014.


Andrew's  publications include:

Andrew's speaking engagements include:

  • Speaker, “The New Rules of U.S. Merger Control: Effectively Navigating Changes to the Merger Guidelines and HSR Process,” Goodwin CLE Day Webinar Series, January 18, 2024
  • Speaker, “Biden Administration Merger Challenges: Can the Agencies Turn Around a Losing Record?” 2023 Goodwin CLE Day Webinar Series, January 19, 2023
  • Speaker, “Goodwin’s Closing the Deal – How to get a Private Equity Deal Done in an Environment of Heightened Antitrust Scrutiny Webinar,” October 26, 2022
  • Speaker, “Antitrust Enforcement under the Biden Administration,” Antitrust Clearance & Merger Enforcement Conference, TransPerfect Legal Solutions, September 21, 2022
  • Speaker, “#BigTechBreakUp: What’s to Come in Antitrust for the Tech Sector in 2022,” 2022 Goodwin CLE Day Webinar Series, January 26, 2022
  • Speaker, “Fireside Chat: Antitrust Expansion in Life Sciences Collaborations,” Goodwin’s 3rd Annual JPMorgan Symposium, January 13, 2022
  • Panelist, “Merger Clearance Beyond November Third: Potential Impacts of the Election on Merger Review and Enforcement,” Antitrust Clearance & Merger Enforcement Virtual Conference, TransPerfect Legal Solutions, October 20, 2020