Viola Trebicka

Practice Areas

Viola Trebicka is the litigator clients call when the stakes are high, and failure is not an option. She is creative, persistent, and relentlessly focused on getting the best possible outcome, no matter how complex or uphill the fight. A partner in the firm’s Los Angeles and New York offices, Viola has a national litigation and trial practice, with a particular focus on high-stakes commercial and technology matters. She has successfully defended Fortune 100 companies in some of their most sensitive and high-profile disputes and is especially experienced in cases involving data privacy, consumer protection, and class action litigation.

Viola also serves as co-chair of the firm's Data Privacy and Security Practice. Her extensive experience spans defeating privacy claims, opposing class certification, managing mass arbitrations, handling data breach remediation and litigation/settlement, and resolving complex data and intellectual property cases through discovery and trial.

She has delivered major wins for clients, including, most recently, a complete class certification denial in Calhoun v. Google. Other noteworthy successes include securing summary judgment in a significant Chrome user data privacy case against Google, defeating a Rule 23(b)(3) class certification in a high-stakes private browsing user data privacy case against Google, achieving a motion to dismiss victory on behalf of Kaseya in a data breach liability action, and attaining a complete defense verdict in a patent trial for Novatel and Verizon.

In recognition of her experience and victories, Viola was recognized in the Lawdragon 500 Leading Global Cyber Lawyers and ranked by Legal 500 USA in the Data Privacy and Data Protection field (Media, Technology, and Telecoms) in 2023, 2024, and 2025, and won the 2024 California Legal Awards in the category “Women Leaders in Tech Law.”