Mr Leo Caseria > Sheppard, Mullin, Richter & Hampton LLP > Los Angeles, United States > Lawyer Profile

Sheppard, Mullin, Richter & Hampton LLP
333 SOUTH HOPE STREET
FORTY-THIRD FLOOR
LOS ANGELES, CA 90071
CALIFORNIA
United States
Leo Caseria photo

Position

Leo Caseria is Co-Chair of both the firm’s Antitrust and Competition Practice Group and Governmental Practice and a partner in the Washington, D.C. and Los Angeles offices.

Leo represents clients in complex antitrust litigation, federal and state antitrust investigations, and government merger reviews.  He has favorably resolved numerous matters for defendants at an early stage of litigation, including cases involving claims of conspiracy, monopolization, and price gouging. He has represented clients in a broad variety of industries, including cement, concrete, grocery, multifamily, automotive software, consumer electronics, fashion, beauty, and apparel.

He has been ranked as a leading antitrust lawyer by Super Lawyers, Global Competition Review’s Who’s Who Legal, and Legal 500. Leo also serves as co-chair for the Books and Treatises Committee of the 9,000 member ABA Antitrust Law Section, a position he has held since 2016.

Education

J.D., Columbia Law School, 2005, Harlan Fiske Stone Scholar

B.A., University of California, Los Angeles, 2002

Lawyer Rankings

United States > Antitrust > Cartel

(Next Generation Partners)

Leo CaseriaSheppard, Mullin, Richter & Hampton LLP

United States > Antitrust > Merger control

Sheppard, Mullin, Richter & Hampton LLP has a prolific record in HSR filings and merger review processes, advising a wide range of businesses and private equity investors on approvals for deals in diverse sectors, with a particularly strong focus on the healthcare space. The team also offers significant agency review and contentious expertise through John Carroll, a former FTC official who represents clients before the DOJ Antitrust Division, FTC, and international and state antitrust enforcement authorities. Bevin Newman specializes in healthcare antitrust matters, advising on merger control cases relating to acquisitions, collaboration agreements, and joint ventures across the sector, while Century City-based David Garcia is a key name for contested mergers, regularly representing hospital and physician groups. Leo Caseria specializes in HSR filings, while special counsel Malika Levarlet focuses on approvals for cross-border transactions. Lawyers are in Washington DC unless otherwise stated.

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

The antitrust practice at Sheppard, Mullin, Richter & Hampton LLP has an expertise in the multifamily, technology and food and beverages sectors, and offers experience acting for key clients such as Samsung Electronics in multidistrict litigation alleging monopolization and exclusionary conduct, and Cyient in an antitrust class action concerning no poach agreements. In Washington DC, head of the antitrust team Leo Caseria has successfully litigated many cases involving allegations of antitrust violations under the Sherman and Clayton Acts and advises clients on many competition issues relating to compliance and intellectual property. Of counsel Michael Cohen has recently been involved in private civil antitrust lawsuits for the firm’s longstanding client The Reynolds and Reynolds Company. Ann O’Brien, formerly at BakerHostetler, joined the firm’s DC office in February 2023. Michael Scarborough and Dylan Ballard left the firm in January 2023.