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Bonnie Lau
Partner
Antitrust and Competition
San Francisco

D415-947-2414

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  • Dynamic Trial Attorney

    Bonnie has an exceptional track record of representing clients in high-stakes antitrust class action litigation, enforcement proceedings, and internal and government investigations across an array of industries, including technology, healthcare, manufacturing, media, telecommunications, and financial services.

  • A Highly Recognized Practitioner

    Bonnie has been repeatedly recognized as one of the “Top 100 Lawyers in California” and as a “Top Antitrust Lawyer” by the Daily Journal, and has been ranked as a leading antitrust practitioner by Chambers USA since 2022. She also received the 2021 “Antitrust/Competition Lawyer of the Year” award at Euromoney America’s Women in Business Law Awards.

  • Focus on Community

    Bonnie is dedicated to building an inclusive legal community and currently serves as co-chair of the Women’s Leadership Network for the National Asian Pacific American Bar Association and Vice Chair of the ABA Antitrust Section’s Women Connected. She is a former chair of the Leadership Council for Legal Diversity Alumni Executive Council.

Bonnie Lau is a partner in the San Francisco office of Wilson Sonsini Goodrich & Rosati. She represents clients in antitrust and related complex litigation involving claims of price-fixing, wage-fixing, no-poach conduct, output suppression, monopolization, refusal to deal, predatory pricing, and group boycott, as well as antitrust counterclaims in IP and patent matters. Clients praise Bonnie as a “masterful strategist” who “deliver[s] pragmatic and business-focused advice,” and “a fantastic lawyer” who is “detail-oriented and able to manage complex matters with ease and good humor” (Chambers USA).

Bonnie has tried several bench and jury trials to verdict, including as lead trial counsel in an antitrust class action jury trial with over $1 billion of exposure. She has also represented clients in complex litigation involving unfair competition, RICO, TCPA, and intellectual property claims.

Bonnie has an active pro bono practice spanning constitutional law, immigration, and human rights litigation, and recently secured a $15.5 million jury verdict on behalf of Haitian victims of torture, mass arson, and extrajudicial killings.

Experience

Bonnie Lau is a partner in the San Francisco office of Wilson Sonsini Goodrich & Rosati. She represents clients in antitrust and related complex litigation involving claims of price-fixing, wage-fixing, no-poach conduct, output suppression, monopolization, refusal to deal, predatory pricing, and group boycott, as well as antitrust counterclaims in IP and patent matters. Clients praise Bonnie as a “masterful strategist” who “deliver[s] pragmatic and business-focused advice,” and “a fantastic lawyer” who is “detail-oriented and able to manage complex matters with ease and good humor” (Chambers USA).

Bonnie has tried several bench and jury trials to verdict, including as lead trial counsel in an antitrust class action jury trial with over $1 billion of exposure. She has also represented clients in complex litigation involving unfair competition, RICO, TCPA, and intellectual property claims.

Bonnie has an active pro bono practice spanning constitutional law, immigration, and human rights litigation, and recently secured a $15.5 million jury verdict on behalf of Haitian victims of torture, mass arson, and extrajudicial killings.

Focus Areas
Recent Insights
News Articles
Wilson Sonsini Practices, Attorneys Recognized in 2026 Chambers USA Guide
The 2026 Chambers USA guide has recognized Wilson Sonsini Goodrich & Rosati as a leading law firm in 44 geography-specific practice categories and named 87 Wilson Sonsini attorneys among the best in their fields. This year, the firm received four new practice area rankings, including in the nationwide National Security and Capital Markets: Convertible Debt categories, and three improved practice area rankings.
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News Articles
Wilson Sonsini, Attorneys Recognized in Several Categories for The Recorder's 2026 California Legal Awards
On April 27, 2026, The Recorder announced the winners and finalists for its annual California Legal Awards, honoring the accomplishments of attorneys and companies leading technology, innovation, and the legal profession. Wilson Sonsini has been named as a finalist in the following categories:
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Recent Events
Speaking Engagements
2026 ABA Antitrust Section Spring Meeting
The annual ABA Antitrust Spring Meeting, now in its 74th year, is the largest gathering of competition, consumer protection, and data privacy professionals globally, with lawyers, academics, economists, enforcers, journalists, and students from around the world. It attracts over 4,000 delegates from more than 67 nations arriving for what has become known as "Antitrust Week." The quality of the sessions and the expertise of the faculty are unparalleled. 
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Speaking Engagements
2025 ABA Antitrust Plaintiffs' Roundtable
On October 7th, Wilson Sonsini partner Bonnie Lau will serve as Chair of the 2025 ABA Plaintiffs’ Roundtable for the Antitrust Law Section, an in-person program and networking reception designed for enforcers, plaintiffs’ counsel, and the broader antitrust community in San Francisco. This year’s roundtable will offer timely insights into the evolving dynamics of parallel public and private enforcement actions, with a focus on current challenges in case coordination, discovery, remedies, and trial strategies. For more information and to register, please visit the event website.
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