North America - United States • Antitrust
Sheppard, Mullin, Richter & Hampton LLP
Sheppard, Mullin, Richter & Hampton LLP is reputable among a wide range of businesses and private equity investors for its capacity to handle large and prolific flow of HSR filings and domestic and cross-border merger proceedings. The firm combines its active merger work with contentious and litigation expertise, representing clients in fields such as healthcare, energy, tech and manufacturing sectors. Antitrust co-chair Leo Caseria represents clients in complex merger-related litigation, while fellow co-chair Ann O’Brien, who joined the team from BakerHostetler, specializes in criminal and civil government antitrust investigations and litigation. John Carroll advises clients on US and international merger control processes, as well as government investigations. Attorneys mentioned are based in Washington DC.
Legal 500 Editorial commentary
Key clients
- VillageMD
- Wellstar Health
- Logan Health
- DAOU Vineyards
- Quixote Studios
- Bellami
- CalPortland Company
Work highlights
- Represented VillageMD in its $8.9 billion acquisition of Summit Health-CityMD and in its related multi-market, commercial risk-bearing strategic alliance with Cigna’s Evernorth.
- Achieved antitrust clearance on behalf of Wellstar Health for its $1 billion acquisition of Auburn University Health System and broad academic affiliation with the Medical College of Georgia.
- Representing DAOU Vineyards in its acquisition by Treasury Wine Estates, one of the world's leading wine companies. g in this nearly $1 billion transaction.
Practice head
The lawyer(s) leading their teams.
Leo Caseria, Ann O'Brien