Creative Representation | Expert Litigation

Bartko Expands Into Chicago and Announces Addition of Principal Jason A. Zweig

July 18, 2023

San Francisco, CA – Bartko Bunzel Miller, P.C., an elite boutique litigation law firm, which specializes in complex litigation, is pleased to announce the addition of Jason A. Zweig as a Principal of the firm. Jason will be a resident in Chicago, representing Bartko’s first office outside of California.

Jason is an experienced complex litigator with 25 years of experience in representing plaintiffs and defendants in antitrust, securities, consumer fraud, insurance, product liability, and business litigation in both state and federal courts throughout the country. Previously, Jason spent over 18 years as a partner in two national law firms practicing in the area of complex litigation, including largescale antitrust cases.

“Bartko is comprised of some elite lawyers (and people) and will provide my clients and me with an exceptional platform. Bartko has a dedication to client service and a long track record of winning bigtime cases and I’m very excited to be a part of the Bartko team ,” says Jason Zweig. “These are not just amazing lawyers, but wonderful people, so I could not be more thrilled to be a part of this firm.”

“Jason adds deep depth and unique expertise to our complex litigation group, especially in antitrust cases, including opt-out litigation on behalf of corporate victims of anticompetitive conduct, which is a strong area of growth for Bartko,” says its head of litigation, Patrick M. Ryan.

“We are thrilled to add Jason to our strong litigation group” said An Nguyen Ruda, co-managing partner of Bartko. “Jason is a talented and energetic lawyer and we are enthusiastic about our future together. We are also excited about expanding our footprint into Chicago in order to better serve our clients throughout the country.”

Jason earned his law degree from Columbia Law School, where he was Executive Editor of the Columbia Journal of Environmental Law. During law school, Jason served as a judicial intern to Judge Jed S. Rakoff, United States District Court Judge for the Southern District of New York. Jason earned his undergraduate degree from Indiana University in Bloomington, Indiana. Jason is a member of the Board of Trustees Congregation Am Shalom in Glencoe, Illinois, and a member of the Indiana University Student Foundation Board of Associates.

About Bartko Bunzel & Miller

Bartko Bunzel & Miller, established more than 45 years ago, is a San Francisco based boutique law firm with offices in San Diego, Los Angeles, and Chicago, specializing in national and international complex litigation and investigations, as well as real estate and franchising transactions. It is a 45+ lawyer firm dedicated to strategic cutting-edge representation of clients  nationally and internationally. Bartko is known for taking cases to trial with its deep bench of experienced trial lawyers and has a multi-decade track record of winning major cases for both plaintiffs and defendants. Bartko’s practice includes representing both plaintiffs and defendants in complex business, intellectual property, antitrust and competition claims, trade secret litigation, anticounterfeiting, complex employment litigation, employment/labor strategic advice and collective bargaining, and real estate litigation, among others. To learn more about Bartko’s leadership, please click here.

Contact: Patrick M. Ryan | | 415.291.4540