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

DLA Piper LLP (US)
United States

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 > Civil litigation/class actions: defense

Making a concerted effort in recent years to penetrate the antitrust litigation space, DLA Piper LLP (US) runs a nationwide practice group that acts for high-profile multinational clients in a variety of antitrust matters, with notable strengths in no-poaching agreements, alleged price-fixing and monopolization conspiracies. Philadelphia-based Lesli Esposito and San Francisco-based Lisa Tenorio-Kutzkey co-head the group, which is enjoying a trend of rapid expansion. One indication of the group’s growth was the hire, in mid-2020, of John Gibson, who joined in Los Angeles from Crowell & Moring LLP. Other key contacts include John Hamill and Robby Robertson in the Chicago office, and David Bamberger in Washington DC.

United States > Antitrust > Cartel

DLA Piper LLP (US) combines domestic strengths with notable work on global cartel investigations; in the cross-border space, the team also benefits from its access to the firm’s immense global network. The dedicated cartels group – whose leadership is shared between Lisa Tenorio-Kutzkey (San Francisco) and Lesli Esposito (Philadelphia) – focuses on cartel defense and government enforcement actions, with particular expertise in leniency and amnesty applications, as well as no-poaching agreements. ‘Smart, tactical, and experienced’, Tenorio-Kutzkey stands out for her defense of clients in significant criminal cartel investigations conducted by the DOJ with respect to price-fixing, bid-rigging and market allocation conspiracy matters. Alongside its FTC and DOJ experience, the team also has an enviable track record in investigations and enforcement actions conducted by the regulators in the UK, Europe, Australia, and Asia.