Sheppard's team focuses on antitrust disputes, investigations, and merger-related litigation, operating out of Washington, DC. The practice benefits from a broad platform and a bench with substantial institutional antitrust experience, including former senior officials from US and international competition authorities. Leadership is provided by co-chairs Leo Caseria, who brings experience in civil antitrust litigation and merger control, and Ann O’Brien, head of the firm’s criminal antitrust and cartel work, who offers extensive government and enforcement-side expertise.
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Key clients
- Essex Property Trust
- Hartford HealthCare Corporation
- Export Packers Company Limited
- National Pipe & Plastics, Inc. (a CRH Company)
- Progressive Insurance
- Veris Residential
- Realty One
- Fluor Federal Services, Inc.
- JRK Residential Group, Inc.
- Cyient
- Essex Property Trust
- Hartford HealthCare Corporation
- Export Packers Company Limited
- National Pipe & Plastics, Inc. (a CRH Company)
- Progressive Insurance
- Veris Residential
- Realty One
- Fluor Federal Services, Inc.
- JRK Residential Group, Inc.
- Cyient
Work highlights
Defending Essex Property Trust (NYSE: ESS), the 11th largest apartment owner in the U.S., in antitrust class actions in California.
Representing Hartford HealthCare Corporation (HHC) in litigation filed by Saint Francis Hospital and Medical Center in 2022 alleging that Hartford HealthCare violated the Sherman Act and Connecticut law by acquiring physician networks, particularly cardiologists, and demanding that they refer their patients only to Hartford HealthCare.
Being awarded a motion to dismiss for Export Packers in an Eastern District of California case with Cartwright Act, Sherman Act and RICO claims.
Practice head
Leo Caseria; Ann O'Brien
Other key lawyers
Helen Eckert; Joy Siu; Lindsey Collins; Jake Walker