Quinn Emanuel Urquhart & Sullivan has appointed Sean Suber as a partner in its Chicago office, expanding its trial and appellate capabilities across complex litigation, class actions, product liability, and mass tort matters. Suber joins from Winston Taylor, where he was a partner in the firm’s Chicago office.
Suber has represented companies and individuals in significant litigation, including high-profile trials, appeals, and arbitrations across multiple industries.
His practice includes defending businesses against class actions involving false advertising, product mislabeling, and other consumer-facing claims.
He has secured dismissals and favorable resolutions in complex class action litigation and represented clients in product liability and mass tort proceedings.
His trial experience spans industries including agricultural biotechnology, aviation, and medical devices.
Suber has served as trial counsel in litigation involving allegations that a widely used agricultural product caused cancer.
He has also worked on litigation arising from aviation accidents in Indonesia and Ethiopia, bringing experience in complex disputes involving multiple parties and significant liability exposure.
Additionally, Suber participated in trial teams involved in two defamation matters that resulted in settlements widely reported as among the largest in U.S. history.
His appointment strengthens Quinn Emanuel’s ability to represent clients in complex disputes involving established industries and emerging technologies.
The firm expects his experience in consumer protection litigation and product liability to be relevant to businesses developing new technologies, including artificial intelligence products.
Companies introducing new products and services can face litigation involving product representations, consumer expectations, alleged defects, and other commercial or regulatory concerns.
Suber’s practice combines experience in those areas with the ability to represent clients through trial and appellate proceedings.
He will join Quinn Emanuel’s Chicago team while working with its broader national trial practice.
Suber has received professional recognition from several legal publications.
The Legal 500 recognized him as a Key Lawyer in advertising and marketing litigation for 2023 and 2024 and general commercial disputes for 2025 and 2026.
Chambers USA recognized him as Up and Coming for general commercial litigation in Illinois during 2025 and 2026.
He was also named a 2026 Law360 Rising Star in Class Action Litigation.
Quinn Emanuel operates a global disputes-focused practice with more than 1,100 lawyers across 33 offices.
Suber’s appointment adds further trial and appellate experience to its Chicago office while expanding the resources available for clients facing complex litigation across multiple industries.
KEY QUOTES:
“Sean is a phenomenal trial lawyer who has spent his career in the trenches of the biggest class action and product liability fights in the country. He is exactly the kind of first-chair litigator we look for, someone who can walk into any courtroom, on any kind of case, and win. Sean is a great addition to our Chicago office and our national trial team.”
Jonathan Bunge, Co-Chair Of Quinn Emanuel’s National Trial Practice Group And Managing Partner Of Its Chicago Office
“Companies developing new technologies are facing a growing wave of class action and product liability claims, and they need lawyers who have actually tried these kinds of cases and won. Sean brings exactly that experience across a wide range of industries, and he will be an important part of how we serve clients navigating this next generation of litigation risk.”
Michael Carlinsky, Global Co-Managing Partner And Global Head Of Complex Litigation At Quinn Emanuel
“I love to be in the mix of the biggest cases. Quinn Emanuel’s platform supports the largest cases at the highest level, and I am excited to join with colleagues operating at that level, who fight and who win.”
Sean Suber, Partner At Quinn Emanuel

