Leo Caserio > Sheppard, Mullin, Richter & Hampton LLP > Washington DC, United States > Lawyer Profile
Sheppard, Mullin, Richter & Hampton LLP Offices
2099 PENNSYLVANIA AVENUE, N.W.
SUITE 100
WASHINGTON DC 20006
DISTRICT OF COLUMBIA
United States
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Leo Caserio
Work Department
Antitrust & Competition
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
Clients seek out Sheppard, Mullin, Richter & Hampton LLP‘s cartel team for its strong cartel litigation capabilities, having successfully represented a number of corporates and individual executives from a range of industries in major US civil and criminal cartel proceedings. The tech industry is a particular area of expertise for the firm, as is real estate and food. Leo Caserio now heads the team from Washington DC, regularly acting for clients in international cartel proceedings and government investigations, and has broad industrial experience, including consumer electronics and automotive parts. Michael Cohen, also in DC, is an active cartel defense litigator currently representing executives at Reynolds & Reynolds in the ongoing tuna canning cartel investigation. Mike Scarborough and Dylan Ballard left the firm in January 2023. Ann O’Brien, formerly at Baker Hostetler, joined the firm’s DC office in February 2023.
Lawyer Rankings
Top Tier Firm Rankings
Firm Rankings
- Government > Government contracts
- Healthcare > Health insurers
- Real estate > Land use/zoning
- M&A/corporate and commercial > M&A: middle-market (sub-$500m)
- Media, technology and telecoms > Media and entertainment: transactional
- Tax > Not-for-profit (nonprofit and tax exempt organizations)
- Energy > Renewable/alternative power
- Healthcare > Service providers
- Antitrust > Cartel
- Media, technology and telecoms > Cyber law (including data privacy and data protection)
- Real estate > Real estate
- Media, technology and telecoms > Telecoms and broadcast: regulatory
- Antitrust > Civil litigation/class actions: defense
- Environment > Environment: litigation
- Media, technology and telecoms > Media and entertainment: litigation
- Antitrust > Merger control
- Media, technology and telecoms > Technology transactions
- Media, technology and telecoms > Telecoms and broadcast: transactions
- Real estate > Construction (including construction litigation)
- Tax > International tax
- Healthcare > Life sciences
- Labor and employment > Labor and employment disputes (including collective actions)