Robert Brownlie concentrates in the representation of corporations and their officers and directors in complex business, securities and corporate litigation, particularly class action and derivative litigation, and related Securities and Exchange Commission and criminal investigations and enforcement actions.

He argued and won Grosset v. Wenaas, 42 Cal. 4th 1100 (2008), a case before the California Supreme Court, clarifying a key standing requirement for derivative suits in California and the choice of law analysis for California-headquartered companies incorporated in Delaware.