On February 13, 2025, Chambers and Partners recognized Wilson Sonsini practices and attorneys among the top global lawyers, law firms, and in-house counsel in over 200 jurisdictions in the 2025 edition of its Chambers Global guide. The listings were compiled based on confidential interviews with attorneys and law firm clients to assess firms, practice groups, and individual attorneys on the basis of their technical legal ability, professional conduct, client service, commercial astuteness, diligence, commitment, and other valued qualities.

Wilson Sonsini’s rankings are summarized below. For additional details, please see 2025 Chambers Global guide.

Practice Area Rankings

China

• Capital Markets: Equity (International Firms)

USA

• U.S. Antitrust (Cartel)
• Capital Markets (Equity: Issuer Counsel)
• Competition/Antitrust
• Competition/Antitrust (International and Cross-Border)
• International Trade (CFIUS Experts)
• International Trade (Export Controls and Economic Sanctions: The Elite)
• Privacy & Data Security (The Elite)
• Renewables and Alternative Energy
• Technology (International and Cross-Border

Individual Attorney Rankings

China

• Dan Ouyang, Capital Markets: Equity (International Firms)

USA

• Josephine Aiello LeBeau, International Trade: Export Controls & Economic Sanctions
• Steven Bochner, Capital Markets: Debt & Equity: Western United States
• Kenneth Clark, Life Sciences: Corporate/Commercial
• Erik Franks, Capital Markets: Convertible Debt, Capital Markets: Debt & Equity: Western United States
• Todd Glass, Projects: Renewables & Alternative Energy
• Joshua Gruenspecht, International Trade: CFIUS Experts
• Stephen Heifetz, International Trade: CFIUS Experts
• Tarek Helou, FCPA
• Tony Jeffries, Capital Markets: Debt & Equity: Western United States
• Martin Korman, Corporate/M&A (International & Cross-Border)
• Katharine Martin, Capital Markets: Debt & Equity: Western United States
• Maneesha Mithal, Privacy & Data Security: Privacy
• Peter Mostow, Projects: Renewables & Alternative Energy
• Christopher Olsen, Privacy & Data Security: Privacy
• Kenneth O'Rourke, Antitrust: Cartel
• Lydia Parnes, Privacy & Data Security: Privacy
• Rezwan Pavri, Capital Markets: Debt & Equity: Western United States
• Jeff Saper, Capital Markets: Debt & Equity: Western United States
• Anne Seymour, International Trade: Export Controls & Economic Sanctions
• Brent Snyder, Antitrust: Cartel
• Larry Sonsini, Capital Markets: Debt & Equity: Western United States, Corporate/M&A (International & Cross-Border)
• Allison Spinner, Capital Markets: Debt & Equity: Western United States
• Lisa Stimmell, Capital Markets: Debt & Equity: Western United States
• Libby Weingarten, Privacy & Data Security: Privacy