Sheppard Mullin is a full service Global 100 firm with over 1,000 attorneys in 16 offices located in the United States, Europe and Asia. Since 1927, companies have turned to Sheppard Mullin to handle corporate and technology matters, high stakes litigation and complex financial transactions. In the US, the firm’s clients include more than half of the Fortune 100.
Global Competition Review (GCR) ranked Sheppard Mullin’s Antitrust practice as a “Recommended” firm in California and Washington, D.C. in its 2026 GCR 100 guide.
United States
Global Competition Review (GCR) ranked Sheppard
Mullin's Antitrust practice as a "Recommended" firm
in California and Washington, D.C. in its 2026 GCR 100 guide.
The firm's Antitrust practice, led by Leo Caseria and Ann
O'Brien, was noted for defending JRK Residential Group in a
putative class action in California alleging unlawful price
increases on apartment rents following the 2017 wildfires.
GCR also highlighted the team's favorable settlement
for Cyient in a federal class action involving novel no-poach
theories.
GCR 100 is an annual, comprehensive guide to the world's
leading firms for competition.
Contributor
Sheppard Mullin is a full service Global 100 firm with over 1,000 attorneys in 16 offices located in the United States, Europe and Asia. Since 1927, companies have turned to Sheppard Mullin to handle corporate and technology matters, high stakes litigation and complex financial transactions. In the US, the firm’s clients include more than half of the Fortune 100.