Amy P. Lally and Jack S. Yeh, both partners based in Sidley’s office in Century City, have been included by the Los Angeles Business Journal in its 2025 “Leaders of Influence: Litigators & Trial Attorneys” list. The annual feature celebrates those individuals whose unique skills in front of judges and juries mean that they are the leading lawyers “you want in your corner.”
As global co-leader of Sidley’s nationally recognized Consumer Class Action practice, Amy represents clients from a broad range of products and services industries in commercial litigation matters, including class actions, false advertising claims, and contract disputes. She has achieved significant success in class action litigation arising under California’s Unfair Business Practices Act, the Consumers Legal Remedies Act, labeling laws, Proposition 65, the California Invasion of Privacy Act, as well as false advertising and unfair competition claims under other state and federal laws.
Jack 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, and advertising and technology. Jack 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.
