JACK YEH is a seasoned trial lawyer and litigation strategist who leads experienced trial teams in complex commercial disputes throughout the country. He regularly represents both publicly traded companies and emerging businesses in a wide range of industries, including energy, oil and gas, real estate, media and entertainment, sports and apparel, advertising and technology. Jack also has deep experience representing clients in government-regulated industries and is a go-to trial lawyer for disputes involving unfair competition, environmental issues, governmental regulations, the California Environmental Quality Act, public contracting, and governmental-related matters involving state, regional and local public agencies. He has litigated commercial disputes at all stages including arbitrations, mediations, court and jury trials, and appeals, including before the California Court of Appeal, the Ninth Circuit Court of Appeals, and the California Supreme Court.
Jack’s work has placed him in elite company. Most recently, Jack was named one of the Los Angeles Business Journal’s “Top 100 Lawyers” (2025). Additionally, he was honored as the 2022 “Trial Lawyer of the Year” by the Century City Bar Association and profiled in the Los Angeles Business Journal’s 2020 list of “Leaders of Influence: Litigators & Trial Lawyers.” He was also named to the Los Angeles Business Journal’s “Leaders of Influence: Minority Attorneys” annual list in 2018, 2021, and 2022, which celebrates 40 of the region’s “particularly stellar minority attorneys.” Benchmark Litigation identified Jack as a “Litigation Star” and “California Star” in its Commercial category (2017–2025). The National Asian Pacific American Bar Association previously called Jack one of its “Best Lawyers under 40” (2002).
Jack is a national co-chair of Sidley’s firmwide Recruiting Committee. He is also the Inclusion Committee co-chair of Sidley’s Greater Los Angeles offices and serves as a member of its Summer Associate Programs Committee. Jack has served on the boards of some of the most prominent civic and public interest organizations in Los Angeles, including Asian Americans Advancing Justice Southern California, and has twice received the President's Award from the Southern California Chinese Lawyers Association.