Quinn Emanuel Urquhart & Sullivan, LLP

‘The ultimate strategists’, Quinn Emanuel Urquhart & Sullivan, LLP maintain a broad expertise in different industries, from mobile apps and digital advertising to healthcare and insurance. It has particular strength representing its clients in class actions, concerning data breaches and ransomware attacks. Splitting their time between Los Angeles and New York, Stephen Broome practices in security and data privacy investigations brought by the government and regulators, while Viola Trebicka advises on data privacy, data security, the use of AI and IP. Working in New York, Jennifer Barrett is an expert in data breach responses, with clients in banking, insurance, publishing and marketing. Los Angeles-based Alyssa Olson is noted for her work in data privacy class actions.