Jessica T. Shinnefield

Jessica T. Shinnefield


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Jessica Shinnefield is a partner in Robbins Geller Rudman & Dowd LLP’s San Diego office. Currently, her practice focuses on initiating, investigating and prosecuting securities fraud class actions. Shinnefield was a member of the litigation team prosecuting actions against investment banks and leading national credit rating agencies for their roles in structuring and rating structured investment vehicles backed by toxic assets in Abu Dhabi Commercial Bank v. Morgan Stanley & Co. Incorporated and King County, Washington v. IKB Deutsche Industriebank AG. These cases were among the first to successfully allege fraud against the rating agencies, whose ratings have traditionally been protected by the First Amendment.

Shinnefield also litigated individual opt-out actions against AOL Time Warner – Regents of the Univ. of Cal. v. Parsons and Ohio Pub. Emps. Ret. Sys. v. Parsons (total settlement over $600 million). She is currently litigating several securities actions, including an action against Omnicare, in which she recently helped obtain a favorable ruling from the United States Supreme Court. Shinnefield has also successfully appealed lower court decisions in the Second, Seventh and Ninth Circuit Courts of Appeals. 

Shinnefield has been named to Benchmark Litigation’s 40 & Under Hot List. Additionally, she has been recognized as a Super Lawyer “Rising Star” for the past four consecutive years. Shinnefield received her Bachelor of Arts degree in English and Communication Studies, with highest honors, from the University of California at Santa Barbara. While at UCSB, she was elected to Phi Beta Kappa. Shinnefield earned her Juris Doctor degree from the University of San Diego School of Law.


  • 40 & Under Hot List, Benchmark Litigation, 2018
  • Super Lawyer “Rising Star,” 2015-2018

Practice Areas


University of San Diego School of Law, J.D., 2004

University of California at Santa Barbara, B.A., 2001, with Highest Honors

  • Phi Beta Kappa


  • California
  • United States Courts of Appeals for the Second and Ninth Circuits
  • United States District Courts for the Northern, Central and Southern Districts of California

Notable Cases


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