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Nossaman LLP

Catherine F. Ngo


T 415.438.7282
F 415.398.2438
50 California Street, 34th Floor
San Francisco, CA 94111

Catherine Ngo, CIPP/US, is a business litigator who partners with clients in resolving commercial disputes for private and public companies as well as public entities.  Her experience includes the representation of clients in complex litigation and investigations involving financial services, real estate, public pension and insurance recovery issues.  

Ms. Ngo is experienced in all phases of litigation in both federal and state courts, including pre-litigation government investigations, pleadings, discovery and e-Discovery, dispositive motions, mediation, and trial preparation.

Prior to joining Nossaman, Ms. Ngo served as a judicial extern for the Honorable John T. Noonan, United States Court of Appeals for the Ninth Circuit, and for the Honorable Fumiko H. Wasserman, Los Angeles Superior Court, Appellate Division.  

Ms. Ngo contributes her comments and insights on court decisions and news impacting privacy, cybersecurity, and data protection law to the Firm's Privacy Law Report blog. 

She is conversant in Mandarin. 

Representative Work

Financial Services Litigation

  • Federal Deposit Insurance Corporation.  Represents the FDIC in a variety of commercial litigation resulting from recent bank failures; assists in investigations of professional liability claims against officers and directors and outside professionals.

Real Estate Litigation

  • T-Mobile.  Represents T-Mobile in litigation matters related to property access and landlord/tenant disputes.
  • Fidelity National Title Insurance Company.  Represented insureds in real estate disputes for claims involving easement rights and quiet title.
  • Advises and represents clients in disputes involving breach of lease, real property tort claims, and unlawful detainer matters. 

Public Pension Litigation 

  • Flethez v. San Bernardino County Employees’ Retirement Association (Mar. 2, 2017, S22677). Represented amici curiae retirement boards resulting in unanimous California Supreme Court decision upholding retirement boards’ authority and discretion to make disability retirement determinations without the burden of prejudgment interest being applied during the period which they reasonably exercise their quasi-judicial authority.
  • Represents public retirement boards in litigation matters involving issues of fiduciary duties and pension benefits.   

Represented public emergency radio authority in validation of ballot measure.

Represented Fortune 500 retailer in defense of product liability claims seeking damages  resulting from bicycle accident.

Represented sitting district attorney in state bar disciplinary proceeding involving charges of prosecutorial misconduct.


Catherine F. Ngo
Catherine F. Ngo



J.D., University of California, Hastings College of the Law, 2012, cum laude, Executive Editor, Hastings International and Comparative Law Review

B.A., University of Southern California, 2009, magna cum laude

Coursework, Peking University, Beijing, China, 2007



United States Court of Appeals for the Ninth Circuit

United States District Court for the Northern District of California

United States District Court for the Eastern District of California

Professional Affiliations

Wu Yee Children’s Services, Board of Directors
Minority Bar Coalition, Co-Chair
American Bar Association, Judicial Intern Opportunity Program
Asian American Bar Association
Bar Association of San Francisco
California Minority Counsel Program
IAPP (International Association of Privacy Professionals) – CIPP/US (Certified Information Privacy Professional)
University of Southern California Asian Pacific Alumni Association

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