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Sarah Johnston

Barnes & Thornburg

A skilled advocate and creative problem-solver, Sarah works enthusiastically to understand and master the products she is entrusted to defend, whether in a single-plaintiff case or a mass tort setting. Sarah’s clients frequently request her counsel on complex scientific, engineering, and regulatory matters, in and out of the courtroom. Sarah also has extensive first- and second-chair trial experience, defending high-stakes product liability matters on behalf of major manufacturers and downstream supply chain entities.

In the community, Sarah serves on the board of directors of the Los Angeles Center for Law and Justice. She is also an associate member of Lawyers for Civil Justice and serves on the organization’s Third Party Litigation Funding Committee.

Sarah earned her J.D. from Boston University School of Law and her B.A. from Indiana University in Bloomington.

Sarah is admitted to practice in the state of California; before the U.S. District Courts for the Central, Northern, and Eastern Districts of California; and before the U.S. Court of Appeals for the Ninth Circuit.


  • Chambers USA, Product Liability and Mass Torts-Nationwide, 2021-23
  • Law 360 Rising Star, 2019


  • Boston University School of Law, J.D.
  • Indiana University, B.A.


  • Commercial Litigation
  • Drug and Medical Device
  • Product Liability and Mass Torts
  • Toxic Substances and Other Torts


  • Healthcare