Lesli Esposito > DLA Piper LLP (US) > Philadelphia, United States > Lawyer Profile

DLA Piper LLP (US)
United States
Lesli Esposito photo

Work Department

Litigation, Arbitration and Investigations; Antitrust and Competition; Corporate; Finance; Intellectual Property and Technology; Projects, Energy and Infrastructure; Appellate Advocacy; Banking and Finance Litigation; Class Actions; Data Protection, Privacy and Security; Financial Services Regulatory, Global Governance and Compliance; Investigations; IT and Telecoms Disputes; Mergers and Acquisitions; Oil and Gas; Patent Litigation; Private Equity, Product Liability, Mass Torts and Product Stewardship, US Law and Policy; Healthcare; Financial Services, Energy and Natural Resources; Insurance; Life Sciences; Industrials; Retail; Technology


Partner and Co-Chair of DLA Piper’s US Antitrust and Trade Regulation Group


Lesli Esposito advises and counsels clients on complex issues in the fields of antitrust and consumer protection. She represents clients in a variety of industries, among them pharmaceuticals, healthcare, consumer products, telemarketing, oil and gas, mortgage lending and legal services. Lesli has a full service practice with extensive experience in global merger control, compliance, litigation, and government investigations, focusing on competition and consumer protection issues.

Lesli has represented Fortune 500 companies in merger control matters before the Federal Trade Commission and Department of Justice. She has extensive experience with second requests, merger-related litigation, and early termination. She has coordinated merger control filings and approvals in jurisdictions around the globe.

She regularly counsels clients on antitrust implications and issues related to business practices such as exclusive agreements, pricing practices, potential tying issues, resale price maintenance, use of competitive information, issues specific to entities with monopoly power and many other issues. While Lesli focuses on antitrust compliance, she has extensive experience in related issues such as false and deceptive advertising claims, tortious interference and various related state law issues, as well as alleged violations of various FTC, FCC, and FDA regulations.

Lesli also has extensive experience litigating antitrust and consumer protection matters in both federal and state courts, as well as representing parties in class actions. In addition, she has extensive experience representing clients in antitrust and consumer protection government investigations, including investigations conducted by the Department of Justice, Federal Trade Commission, Consumer Financial Protection Bureau, Department of Transportation, Federal Aviation Administration and state Attorneys General.

Following a federal clerkship, Lesli began her private practice in Washington, DC at a law firm that concentrates on plaintiffs’ class actions. There, she was a member of the complex litigation practice group, focusing on antitrust and consumer protection cases. She litigated a variety of cases involving price fixing, monopolization and conspiracy allegations in both federal and state courts, as well as before the European Commission.

Lesli then joined the Federal Trade Commission, Bureau of Competition. As a Lead Attorney at the FTC, she conducted investigations of proposed mergers and acquisitions and litigated consummated mergers, in the oil and gas, refining, chemical and computer software industries. Lesli has extensive experience with FTC antitrust and consumer protection investigations, as well as Part III litigation before FTC Administrative Law Judges.


J.D., Case Western Reserve University School of Law; B.A., Boston College

Lawyer Rankings

United States > Antitrust > Cartel

Lesli Esposito sits in DLA Piper LLP (US)‘s Philadelphia’s office and was recently appointed by Mid-Atlantic Dental as third-party witness in the FTC’s investigation and action against the three largest dental care providers. In San Francisco, Lisa Tenorio-Kutzkey acts as global antitrust department head and recently obtained a favorable judgment for an individual pursued by the DOJ on the grounds of big-rigging in the real estate foreclosure market in the Bay Area during the residential housing crisis. Robby Robertson recently arrived in the Chicago office from Hogan Lovells US LLP and is also a key name to note alongside Philadelphia’s John Huh.

United States > Antitrust > Civil litigation/class actions: defense

DLA Piper LLP (US)‘s antitrust team ‘is thoroughly committed to its clients and shows great effort to learn to improve its services‘. AMN Healthcare recently engaged a team led by practice co-head David Bamberger (Philadelphia) to defend it against a claim brought by a competitor alleging violations of the Sherman Act, and Edward Scheiderman (Washington DC) is part of the team acting for McCormick & Company in a consolidated group of lawsuits brought by a competitor and a number of putative consumer classes alleging the client’s change of packaging is in breach of several antitrust and consumer protection laws. John Hamill, who successfully dismissed a state court class action filed against NorthShore University Health System, was recently joined in the Chicago office by Robby Robertson, who arrived from Hogan Lovells US LLPLesli Esposito splits her time between Washington DC and Philadelphia and heads the practice alongside Bamberger.