Esther Kim Chang


(510) 992-4560 | echang@nortonlaw.com | VCF

Esther Chang is a trial-experienced litigator, specializing in patent and trade secret disputes.  She has more than a decade of experience representing high‑technology and life sciences companies in a wide range of industries, including autonomous systems, smartphone technology, mobile device management, semiconductor chips, video compression technology, antibody engineering, and medical devices.  Esther is experienced in managing complex litigation, including the high-profile Waymo v. Uber case relating to autonomous vehicle technology and a high-stakes smartphone case leading to a jury verdict of over $1 billion.

Esther is a registered patent attorney and is admitted to practice before the U.S. Patent and Trademark Office.  She earned a bachelor’s degree in chemistry from the Massachusetts Institute of Technology and a master’s degree in chemistry from the University of California, Berkeley.  After graduate school, Esther worked at Morgan Stanley Capital International Barra, where she developed financial models and analytics for portfolio risk management.  Esther received her law degree from the George Washington University Law School, where she was elected to the Order of the Coif and was a member of the George Washington Law Review.

Before joining The Norton Law Firm, Esther was at Morrison & Foerster for twelve years.


  • The George Washington University Law School, J.D., 2008
  • University of California, Berkeley, M.S. Chemistry, 1998
  • Massachusetts Institute of Technology, B.S. Chemistry, 1996

Bar Admissions

  • California
  • U.S. Patent & Trademark Office

Honors and Awards

  • Super Lawyers Rising Star 2015, 2016, 2017, 2018