Allie O'Hara

Silicon Valley | San Francisco
  • 140 Scott Drive
  • Menlo Park, CA 94025
  • USA
Profile Experience

Allie O'Hara is an associate in the Bay Area offices of Latham & Watkins LLP and a member of the Litigation & Trial Department. Ms. O’Hara represents public companies and their officers and directors in complex commercial litigation, with an emphasis on securities class actions and shareholder disputes.

Ms. O’Hara advises clients in all aspects of litigation, including major motion practice, fact and expert discovery, trial, and appeals, and primarily represents clients in connection with:

  • Securities class actions
  • Securities fraud
  • Merger disputes
  • Shareholder derivative litigation
  • Other complex, high-exposure litigation

Ms. O’Hara served on the firm’s Pro Bono Committee and maintains an active pro bono practice focused on impact litigation and appellate advocacy for survivors of domestic violence. While in law school, Ms. O'Hara was a member of the Latin American Law Students Association, the International Women’s Human Rights Clinic, and a senior symposium editor for the Georgetown Journal of Gender and the Law.


Ms. O’Hara currently represents or has recently represented several global companies and their directors and officers in state and federal securities class actions, derivative suits, government investigations and inquiries, and appeals. These companies span numerous industries, including technology, biotechnology, medical devices, pharmaceuticals, and REITs.

Ms. O’Hara’s experience includes the following:

  • Securing a complete defense jury verdict for NextGen Healthcare, Inc. in the first holder’s claim case to go to trial in the US in nearly 90 years. Hussein v. Razin et al. (Orange Cty. Sup. Ct. July 29, 2021)
  • Defeating more than 95% of plaintiffs’ claimed damages in rare Section 10(b) securities class action to go to jury verdict, named by the Daily Journal as one of the Top Verdicts of 2019. Hsu v. Puma Biotechnology, Inc. (C.D. Cal. Feb. 4, 2019)
  • Representing medical device company and its officers and directors against Section 10 and 11 claims, securing early and highly favorable settlement
  • Representing former CEO of a national bank in Section 10(b) securities class action
  • Representing technology companies and real estate investment trusts in securities class actions and stockholder litigation alleging breach of fiduciary duties in connection with mergers
  • Arguing before the California Court of Appeal to overturn a trial court decision denying her client a restraining order
  • Reaching settlement to secure funding for Orange County’s homeless population
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