Creative Representation | Expert Litigation

Contact Information

Main: 415.956.1900

Direct: 415.956.1900

Fax: 415.956.1152




University of California, Hastings College of the Law, J.D., 2004
(Moot Court Awards: Honorable Mention, Best Advocacy Brief, Best Oral Argument)

Miami University B.A. Cum Laude (Psychology; Organizational Behavior and History), 1999

Professional Affiliations

American Bar Association

Association of Business Trial Lawyers (ABTL), Northern California Chapter

Board Member, SFPM Educational Enrichment Foundation, Fall 2015 to the present

Committee Member, ABTL Young Lawyers Division

Bar Admissions

State Bar of California


Author, “California Responses to Supercenter Development: A Survey of Ordinances, Cases and Elections,” Public Law Research Institute Reports, Spring 2004


Kerry Duffy is a Principal of the firm. She is a member of the firm’s Business Litigation Group and has engaged in complex civil litigation at both the trial and the appellate levels. Ms. Duffy has been involved in multiple high value complex litigation cases. She is experienced in pre-litigation e-discovery counseling as well as managing the preservation, collection, review and production of electronic information.

Prior to joining the firm, Ms. Duffy practiced in Oakland, California, specializing in bankruptcy litigation. She was a judicial extern to the Honorable Randall J. Newsome (Ret.), Chief Judge of the United States Bankruptcy Court, Northern District of California. While in law school, Ms. Duffy was an extern in the Office of the United States Trustee of the United States Department of Justice, San Francisco Division.

Representative Cases

Ms. Duffy participated in the successful defense of a U.S. executive in a criminal antitrust trial where the government had obtained 17 guilty pleas from others for international price-fixing.

Ms. Duffy helped obtain a defense verdict in a civil antitrust monopolization trial where the plaintiffs asked the jury for $34 million.

Ms. Duffy successfully resolved a FDIC investigation concerning a failed bank.

A major healthcare organization provider was represented by Ms. Duffy in a vendor breach of contract case.

Ms. Duffy was a member of the firm’s trial team in a trademark case over the use of a business name in which the firm twice defeated Wells Fargo’s motions for a preliminary injunction. Wells Fargo v. ABD, 2014 WL 4312021.