Lisl J. Dunlop
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Lisl Dunlop has over 30 years of experience providing antitrust support for her clients’ key strategic initiatives, including major transactions and agency investigations. Lisl guides clients through the antitrust-related aspects of mergers and acquisitions, joint ventures and other combinations, and agency investigations.

Lauded as a leading antitrust practitioner by international legal rankings, such as Chambers USA, The Legal 500 United States, and Crain’s New York Business, Lisl provides a global perspective to approaching antitrust aspects of transactions, litigation strategy, and government investigations. Having practiced in Australia, the UK, and the United States, she is adept at representing clients before the US federal and state antitrust enforcement agencies, as well as international authorities.

Lisl represents clients in a broad range of industries – including the technology, media, and cannabis sectors – and has mounted a significant healthcare practice. She guides healthcare companies in addressing antitrust risk in transactions as well as a variety of other initiatives, such as accountable care organizations (ACOs), independent physician networks, and financial and clinical integration issues.

Lisl is a sought-after author and speaker on antitrust and competition law. Her many leadership roles include serving in the leadership of the New York State Bar Association Antitrust Law Section, American Health Lawyers Association’s Antitrust Practice Group, and the American Bar Association’s Antitrust Law Section. She dedicates her pro bono practice to assisting members of the LGBTQ+ community and indigent clients in immigration and asylum matters.

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Professional Activities

  • New York State Bar Association, Antitrust Law Section, Chair (2016), Executive Committee (2010 – present)
  • American Health Lawyers Association, Antitrust Practice Group, Vice Chair (2022 – present)
  • American Bar Association, Antitrust Law Section, Healthcare and Pharmaceuticals Committee, Vice Chair

Experience

  • Representing VMware Inc. in its proposed $61 billion acquisition by Broadcom Inc.
  • Represented Tufts Health Plan in its $8 billion merger with Harvard Pilgrim Health Care.
  • Represented Heart of Hospice in its acquisition by LHC Group Inc.
  • Represented Public.Resource.Org in its complaint to the Federal Trade Commission regarding public access to state laws.
  • Represented Tyson Foods Inc. in its $1.2 billion sale of its pet treats business to General Mills.
  • Represented Columbia Care in its acquisitions of The Green Solution and Green Leaf Medical.
  • Represented Textron Inc. in its pilot training joint venture with FlightSafety Inc.
  • Represented entrepreneur Peter Adderton and Boost International in connection with the Sprint/T-Mobile merger.
  • Represented Nashville Songwriters Association International in its amicus brief for United States v. Broadcast Music Inc., Second Circuit, 2017. 
  • Defended Kaiser Foundation Health Plan and Kaiser Foundation Hospitals in NorthBay Healthcare Group Inc. v. Kaiser Foundation Health Plan Inc. in the US District Court for the Northern District of California.
  • Represented Mount Sinai in its acquisition of South Nassau Community Hospital.
  • Represented Stamps.com in its acquisitions of Endicia and MetaPack.
  • Represented Mann+Hummel in its acquisitions of Affinia and Tri-Dim.
  • Represented Hetero in the sale of Invagen to Cipla.
  • Represented Lutheran Medical Center in its acquisition by NYU Langone Health.
  • Represented Textron/Cessna in its acquisition of Beechcraft.
  • Represented Ardagh Group in its acquisition of Saint-Gobain Containers Inc.

* Includes matters handled prior to joining Axinn. 

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Honors

  • Chambers USA, New York: Antitrust (2010 – 2023)
  • The Legal 500 United States, Antitrust: Merger Control (2012 – 2014, 2022 – 2023)
  • Crain's New York Business, Notable Women in Law (2020)
  • Best Lawyers in America, Antitrust Law and Litigation: Antitrust (2020 – 2024)
  • Who's Who Legal: Competition (2020 – 2023)
  • Profiles in Diversity Journal, Women Worth Watching (2022)

  • Lawdragon 500 Leading Dealmakers in America (2024)

  • Lawdragon 500 Leading Litigators in America (2023 – 2024)

  • Super Lawyers, New York Metro, Top Women Attorneys (2011 – 2022)

  • JD Supra, Readers' Choice Awards, Top Author (2017 – 2018)

News

Thought Leadership

Events

Education

  • LLM – Cornell University Law School (1997)
  • LLB – University of Sydney (1991)
  • BSc – University of Sydney (1991)

Admissions

  • New York
  • District of Columbia
  • Australia
  • England and Wales
  • US Supreme Court
  • US Court of Appeals for the Second Circuit
  • US District Court Eastern District of New York
  • US District Court Southern District of New York
  • US District Court District of Columbia

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