Skip to Content


Katherine Alphonso concentrates her practice in Data Privacy and Cybersecurity, advising on best practices for California Consumer Protection Act (CCPA) and General Data Protection Regulation (GDPR).  In addition, she has experience in wage and hour laws, clearance searches and risk assessments for trademark availability, commercial distribution agreements, and business acquisition agreements.

Ms. Alphonso graduated with her J.D. from Golden Gate University School of Law and received her B.A. in Political Science and Psychology from University of California, Berkeley.  While in law school, Katherine served as an Associate Editor on law review, where she published her Note on copyright protection for fictional characters.  She also interned in the United States District Court, Northern District of California with Honorable Maria-Elena James, and served as a certified law student at GGU’s Veteran’s Legal Advocacy Center.

Prior to attending law school, Ms. Alphonso worked in the dialysis industry.


  • California


  • Golden Gate University School of Law – J.D.
  • University of California, Berkeley – B.A., Political Science & Psychology

Professional Memberships

  • Women in Security and Privacy
  • Alameda Country Bar Association, Board of Directors for the Intellectual Property Committee

Super Lawyers Martindale Hubbel AV Preeminent Law 360