
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.
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.
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)
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Lawdragon 500 Leading Dealmakers in America (2024)
- Lawdragon 500 Leading Litigators in America (2023 – 2024)
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Super Lawyers, New York Metro, Top Women Attorneys (2011 – 2022)
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JD Supra, Readers' Choice Awards, Top Author (2017 – 2018)
News
- Axinn Advises VMware in Securing Global Antitrust Clearance for $69 Billion Acquisition by Broadcom
- Axinn Partners Named to 2024 Lawdragon 500 Leading Dealmakers in America
- Axinn Partners Named to 2024 Lawdragon 500 Leading Litigators in America
- Who's Who Legal Recognizes Ten Axinn Attorneys
- Axinn Attorneys Named to Best Lawyers 2024
- View More ›
Thought Leadership
- Antitrust Agency Update: A Conversation with FTC Assistant Director Mark Seidman, Speaking of Health Law, October 6, 2023
- Old Law, New Tricks: Algorithms and Price-Fixing Cartels in Health Care, October 6, 2023
- USA: Law and Practice & Trends and Developments, Chambers Global Practice Guides – Merger Control 2023, August 11, 2023
- FTC’s Hospital Merger Oversight at Risk in Louisiana, HCA Fight, Bloomberg Law, June 1, 2023
- Health Care Antitrust Without the Health Care Guidelines: What Will the Future Hold?, CPI Antitrust Chronicle, June 1, 2023
- USA: Law and Practice, Chambers Global Practice Guides – Merger Control 2022, August 8, 2022
- Amazon-One Medical Deal: Scrutiny Likely, Lawsuit Not, Law360, July 22, 2022
- Second Circuit: Southern District of New York - Edition 3, Global Competition Review, June 24, 2022
- Labor Markets in Healthcare Transactions: A Work in Progress, CPI Antitrust Chronicle, June 1, 2022
- FTC’s Baby Formula Inquiry Tees up a Look at Tariffs, Subsidies, Bloomberg Law, May 27, 2022
- Antitrust Litigation is Coming to Cannabis, Cannabis Business Executive, May 25, 2022
- Advocate Aurora-Atrium’s Mammoth Merger: Experts Split On Whether Federal Regulators Will Challenge the Deal, STAT, May 11, 2022
- Big Trouble for Biglari Under the HSR Act – and Why Cannabis Operators Should Take Note, Cannabis Business Executive, March 2, 2022
- Lina Khan is Rewriting the FTC's Rulebook, Law360, February 9, 2022
- Who’s Who Legal – Thought Leaders Competition 2022, January 18, 2022
- Top Ten 2022: Provider M&A Faces New Antitrust Headwinds, AHLA Speaking of Health Law, January 14, 2022
- Merger Cases, Issues to Watch in 2022, Law360, January 3, 2022
- Top Ten Issues in Health Law 2022, AHLA Health Law Connections, January 1, 2022
- The Major Antitrust Conduct Cases of 2021, Law360, December 20, 2021
- Antitrust and Healthcare Inequity, Eleanor M. Fox Liber Amicorum - Antitrust Ambassador to the World, October 27, 2021
- FTC Withdraws Approval of 2020 Vertical Merger Guidelines, GCR, September 16, 2021
- Dealmakers Face Uncertainty Following Merger Guidelines Repeal, The Deal, September 15, 2021
- FTC to Take on Trump’s Vertical Merger Guidelines, Politico, September 15, 2021
- Bills to Speed Generic Entry Once Again Clear Senate Judiciary Committee, The Pink Sheet, July 29, 2021
- Senate Panel OKs Antitrust Package Aimed at Drug Pricing, Law360, July 29, 2021
- Second Circuit: Southern District of New York – Edition 2, Global Competition Review, July 2021
- A Tougher M&A Regulatory Environment, Pharma Manufacturing, June 25, 2021
- Health Care Antitrust Enforcement Homes in on Non-Hospital Transactions, AHLA PG Briefing, June 25, 2021
- Health Insurance Compliance Steps After Antitrust Reform, Law360, April 7, 2021
- DOJ Resolves Case Against Pennsylvania Healthcare Providers, GCR USA, March 4, 2021
- The Next Four Years: Antitrust Enforcement on an Upward Trajectory, Concurrences Competition Law Review, January 19, 2021
- A Look at the Recent DOJ Complaint in U.S. v. Geisinger, AHLA Speaking of Health Law, October 12, 2020
- Second Circuit: Southern District of New York, GCR Insight: U.S. Courts Annual Review, July 24, 2020
- Who’s Who Legal – Thought Leaders Competition, Who’s Who Legal, December 2019
- Judge Moves Aetna / CVS Deal Into Unchartered Tunney Act Waters, Bloomberg Law, June 4, 2019
- Navigating Vertical Mergers in Healthcare Through a Shifting Enforcement Landscape, Competition Policy International, May 7, 2019
- The Capitol Forum Thought Leaders Series, April 25, 2019
- New York Attorney General's Cartel Bust Is Just the Beginning, Crain's New York Business, June 18, 2018
- Net Neutrality: From Rules to Enforcement, Electronic Retailing Association, December 20, 2017
- Certificates of Public Advantage: Bypassing the FTC in Healthcare Mergers?, Competition, Vol 27, No. 1, Fall 2017
- When a Firm is "Failing": CentraCare vs. Energy Solutions, Law360, August 25, 2017
- Why Amazon's Whole Foods Buy is Likely to be Cleared, Law360, June 27, 2017
- Merger Control in the United States: Overview, Practical Law: Thomson Reuters, June 1, 2017
- Geographic Market Definition in Hospital Merger Antitrust Enforcement, New York Law Journal, January 23, 2017
- Merger Control in the United States: Overview, Practical Law: Thomson Reuters, June 1, 2016
- Restraints of Trade and Dominance in the United States: Overview, Practical Law: Thomson Reuters, June 1, 2016
- Merger Control in the United States: Overview, Practical Law, Thomson Reuters, September 1, 2015
- Restraints of Trade and Dominance in the United States: Overview, Practical Law: Thomson Reuters, September 1, 2015
- FTC's Use of "Disgorgement" Poses New Risks for Healthcare Industry, Modern Healthcare, August 24, 2015
- Messages in a Bottle: Defense Perspectives from the Ardagh/Saint Gobain Case, The Threshold, Summer 2014
- Allocating Antitrust Risk in M&A Agreements, CPI Antitrust Chronicle, April 2013
- The FTC is Shifting Gears on Monetary Remedies: Should You Be Worried?, The Antitrust Counselor, October 2012
- Mergers and Acquisitions, American Bar Association, 2009
- The Many Faces of Administrative Adjudication in the European Union, 61 Admin. L. Rev. 131 (2009), 2009
- Administrative Law of the European Union: Adjudication, American Bar Association, 2008
- Mergers and Acquisitions, American Bar Association, 2008
Events
- Healthcare Providers Beware!: Guidance on M&A and Collaborations
- Capitol Forum Health Care Competition Conference 2023
- PLI Antitrust Counseling and Compliance 2023
- Fordham 50th Annual International Antitrust Conference
- TechGC 8th Annual Fullstack GC Conference
- CompLaw Antitrust West Coast Conference 2023
- ABA 24th Annual Emerging Issues in Healthcare Law Conference
- "Reflections on Women in Law" Panel and Diversity Networking Event
- AHLA Health Care Antitrust Hot Topics Webinar
- PLI Antitrust Counseling and Compliance 2022
- CompLaw EU Merger Control Conference
- CompLaw Antitrust Midwest Conference 2022
- ABA Antitrust in Healthcare Conference 2022
- Health Plan Law and Compliance Institute 2022
- AHLA Health Care Transactions Program 2022
- AHLA Women's Forum 2022
- Antitrust Enforcement Trends in Digital Markets in the U.S. and U.K.
- PLI Antitrust Counseling and Compliance 2021
- ACI Life Sciences Antitrust 2021
- Axinn Webinar: Hot Topics in Health Care Deals – Key Takeaways from the AHLA Health Care Transactions and Antitrust Conferences
- AHLA Health Care Antitrust: Meeting the Challenge Program
- Concurrences Antitrust Compliance Awards
- Healthcare Merger Recap: Managing Multiple Regulatory Reviews
- PLI’s 2020 Antitrust Counseling & Compliance Program
- ABA Monthly Update for Corporate Counsel September 2020
- ABA 2020 ILS Virtual Annual Meeting
- Key Antitrust Issues in the Healthcare Industry
- PLI's 2019 Antitrust Counseling & Compliance Program
- Practical Antitrust Perspectives From Government Enforcers
- 2019 Centerforce Women, Diversity & Change Summit - San Francisco
- Global Antitrust Practice in the 2020s: Lessons From Europe and the United States, Including Cartel Defense Strategy, Platform Markets, and More
- PLI's 2019 Developments in Antitrust Law & Regulation Program
- ABA 67th Annual Section of Antitrust Law Spring Meeting
- NYSBA Antitrust Expert Training Academy
- ABA 4th Annual Antitrust Merger Practice Workshop
- 2018 Retail Law Conference
- 2018 Credit Suisse Health Insurance Symposium
- ABA and AHLA Antitrust in Healthcare Conference
- DSRIP Antitrust Considerations: The Case for a COPA
- 2017 PLI Antitrust Counseling & Compliance Conference
- Mapping the Healthcare M&A Landscape Under the New Administration
- Recent Developments in Health Care and Pharmaceuticals
- 2017 National Association of Women Lawyers' Mid-Year Meeting
- When Competition Concerns Arise in Health Systems Combinations: Litigation Versus Regulation
- Introduction to Antitrust Basics
- 2016 PLI Antitrust Counseling & Compliance Conference
- Antitrust Cases Involving Financial Benchmarks: Issues of Conspiracy and Standing
- Key Legal Issues in U.S. Mergers and Acquisitions for European Lawyers
- Electrical Products Group Conference
- State Action Issues in the Wake of the North Carolina Dental Board Decision
- 2016 PLI Antitrust Institute Developments & Hot Topics Conference
- 2015 PLI Antitrust Counseling & Compliance Conference
- 2015 ABA Section of International Law Asia Forum
- Successful Transactions – What In-House Counsel Expect from Their M&A and Antitrust Attorneys
- 2013 NYSBA Antitrust Section Annual Meeting
- 2013 PLI Antitrust Counseling & Compliance Conference
- GCR Live 2nd Annual Antitrust Law Leaders Forum
- 2012 ABA Section of Antitrust Law Spring Meeting
- Women in Financial Services
- 2012 NYSBA Antitrust Section Annual Meeting
- Antitrust in Latin America – What’s Going On?
- Premerger Information Exchange
- 2011 ABA Section of Antitrust Law Spring Meeting
- Antitrust Litigation Forum
- 2010 ABA Section of Antitrust Law Spring Meeting
- Mergers from Strategy to Hearing: Part 2 – Pre-Merger Filings
- Meet the Economist Enforcers II: A Dialogue with Christian Ewald of the Bundeskartellamt and Amelia Fletcher of the UK OFT
- 2007 ABA Section of Antitrust Law Spring Meeting
- 2006 ABA Section of Antitrust Law and New York City Bar Conference
- 2005 ABA Section of Administrative Law Midyear Meeting
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
Spotlight
“Lisl Dunlop is the consummate professional and that rare blend of extreme professionalism and knowledge coupled with a warm, caring demeanor and true, deep concern for the needs of her clients.” – Best Law Firms
"Lisl is highly responsive and she can handle any antitrust question that arises."
– Chambers USA
"Lisl Dunlop wins commendations from peers across North America who consider her a go-to figure in the market for antitrust-related litigation and transactional matters."
– Who's Who Legal