Sonja S. Weissman Photo
Sonja is a member of the Life Sciences Health Industry Group, practicing in the area of product liability litigation, and was named by the Daily Journal as one of California’s “Top Women Lawyers” in 2016. She has extensive experience handling a variety of complex litigation, including class actions, multi-district litigation proceedings and disputes involving numerous parties. She has defended clients in numerous court and jury trials.


  • University of California, Hastings College of the Law, 1991, J.D., Executive Articles Editor of the International and Comparative Law Review
  • University of California, Berkeley, 1987, B.A., Philosophy

  • California

  • U.S. Court of Appeals - Third Circuit

  • Association of Business Trial Lawyers
  • Defense Research Institute
  • American Bar Association

Premios y reconocimientos

  • Named by the Daily Journal as one of California’s “Top Women Lawyers” for 2016
  • Selected through peer review for inclusion in The Best Lawyers in America© for Mass Tort Litigation / Class Actions - Defendants, 2011-2021
  • Selected to the Northern California Super Lawyers list for Personal Injury - Products: Defense, 2019