Bambo Obaro

Bambo is widely recognized as a leading trial lawyer. The American Lawyer has honored him multiple times in its “Litigator of the Week” column, including most recently for securing a $50 million plaintiff jury verdict in a breach of contract case, and earlier for the successful defense of Meta’s acquisition of Within Unlimited against the FTC. For several years, Chambers USA has ranked Bambo as a leading lawyer for General Commercial Litigation in California, where clients note that he “commands the room” and is trusted “in a courtroom or behind the scenes.” They also remark that he has a “keen sense of business needs” and knows “how to manage a case.” The Daily Journal has recognized Bambo as a “Leading Commercial Litigator,” a “Top 100 Lawyer” in California, and one of its “Top 40 Under 40” citing his mastery of “storytelling, advocacy and real-time engagement with judges and juries” and his “deep expertise in confronting challenges by the Federal Trade Commission to tech company mergers.” He is also recognized as a “Next Generation Partner” in the Trade Secrets category by Legal 500, named to Benchmark Litigation’s “40 & Under Hot List” as a “top emerging talent,” and selected by Lawdragon 500 among its “Leading Litigators in America,” “Leading Global Litigators,” and “Leading Lawyers in America” lists.

Bambo has deep subject matter expertise across trade secrets, antitrust, consumer class actions, and complex commercial business-to-business disputes.

Bambo has a proven record of success in the courtroom. His representative trial experience includes:

• Co-lead trial counsel in a successful three-week jury trial on behalf of a semiconductor substrate manufacturer in a breach of contract action in California state court, securing a $50 million plaintiff verdict, the maximum damages permitted under the agreement’s limitation-of-liability provision, while defeating all of the defendant’s affirmative claims.
• Trial counsel for multiple global technology companies in successive challenges to proposed mergers by the Federal Trade Commission and various State Attorneys General.
• Trial counsel for a major e-commerce company in a contract dispute relating to a multi-year operating agreement with a former business partner. Following a five-day evidentiary trial and post-trial briefing, secured a complete victory and significant damages for the client.
• Trial counsel for debtors in various restructuring proceedings.

Bambo’s additional representative engagements include:

• Defending Meta in a consumer class action in California arising from allegations related to its Portal product.
• Defending Meta against breach of contract and antitrust claims alleging hundreds of millions of dollars in damages.
• Defending three leading banks in a $429 million securities fraud action in the U.S. District Court for the Northern District of California and the U.S. Court of Appeals for the Ninth Circuit. After four years of litigation and a complete dismissal in the district court, the plaintiff agreed to dismiss its appeal without any payment from the banks.
• Representing a leading health solution provider in multi-jurisdictional litigation involving claims of trade secret misappropriation, unfair business practices, breach of fiduciary duty, and breach of contract. Weil obtained a temporary injunction and preliminary injunction in Texas and a sweeping sanctions order for spoliation of evidence, which included adverse jury instructions and an award of attorneys’ fees.
• Serving as lead trial counsel to a software company in a significant trade secrets litigation in the Northern District of Illinois.
• Representing a leading payroll and HR software provider in defense of a trade secret misappropriation lawsuit filed by a financial services company in Delaware Superior Court.
• Defending an insurance company in multi-jurisdictional litigation involving claims of trade secret misappropriation, unfair business practices, breach of fiduciary duty, and breach of contract. Secured summary judgment voiding non-compete provisions in employment contracts, following which the parties ultimately settled.
• Defending an operator of a nationwide drugstore chain in several proposed consumer class actions involving allegations of fraud and material misrepresentations regarding the accuracy of certain blood tests.
• Winning the dismissal with prejudice of all claims brought against a leading coffee company in a consumer class action in New York federal court alleging false representations and false advertising.
• Prevailing on motions to dismiss two separate consumer class action complaints against a leading public technology company in the Northern District of California.

Bambo is actively engaged in professional, community, and bar organizations. Bambo served as a member of Law360’s 2024 Trials Editorial Advisory Board. He serves on the Executive Committee of the Northern District of California Chapter of the Federal Bar Association, and previously served on the Magistrate Judge Merit Selection Panel for the Northern District of California. Bambo serves on the Board of Governors for The University of San Francisco School of Law, from which he received his J.D. cum laude in 2009, and on the Board of Larkin Street Youth Services, a nonprofit serving homeless youth in the San Francisco Bay Area. At Weil, he is a member of the Firm’s Executive Inclusion Committee and dedicates a significant portion of his practice to inclusion efforts. He was the recipient of the Jonathan Weiss and László Nagy Mentoring Award during Weil’s 2026 Mentoring Week, in recognition of his outstanding commitment and dedication to mentoring Weil’s lawyers.