LAWYER
Benjamin Sadun
Partner | Los Angeles
Benjamin Sadun

Benjamin Sadun, partner, is a litigation privacy and cybersecurity specialist, nationally recognized for his expertise in artificial intelligence, health care technology, and class actions. In particular, Mr. Sadun is renowned for his successful courtroom advocacy for health and technology giants and emerging companies. This includes a complete defense victory as trial counsel for Johnson & Johnson in a 10-week jury trial profiled by Law360 as a “Legal Lion Verdict of the Week” and selected by the Daily Journal as among the “Top Verdicts” of 2019. Beyond the courtroom, Mr. Sadun has extensive experience representing clients before, and leading negotiations with, the Federal Trade Commission, State Attorney General offices, US Attorney offices, and Congressional Committees. Drawing on his trial and regulator experience, Mr. Sadun also advises companies on data governance as well as privacy and cybersecurity risk in consideration of the Biometric Information Privacy Act (BIPA), the California Consumer Privacy Act (CCPA), the FTC Act, and the General Data Protection Regulation (GDPR).

Mr. Sadun also teaches privacy law and information management to law students at USC Gould School of Law. In 2023, Mr. Sadun was interviewed on the ESI Survival Guide podcast for his expertise in large language models and machine learning and profiled by Law360 in an article about Dechert winning Cybersecurity and Privacy Group of the Year. In 2024, Mr. Sadun led workshops and presented at conferences held in India and China concerning “The Intersection of AI and Privacy.”

In 2024, Mr. Sadun was recognized in “The 2025 Lawdragon 500 Leading Litigators in America,” an annual guide that identifies the nation’s leading trial lawyers. LawDragon has recognized Mr. Sadun for being one of America’s top litigators—across fields—and specifically recognized him for being among the nation’s top privacy litigators (one of the top twenty-six) and being among the nation’s top cybersecurity litigators (one of the top seventeen). He has also been recognized by The Legal 500 in the areas of Product Liability, Mass Tort and Class Actions (2022), Pharma and Medical Devices (2023), Consumer Products (2023-2024), and Cyber Law (2024).

Mr. Sadun has been especially lauded for his work counseling Flo Health, with Dechert winning IAPP’s 2022 Privacy Legal Innovation Award for Mr. Sadun’s work helping Flo Health develop and launch its groundbreaking “Anonymous Mode.” For this same work, Dechert has been short listed by The American Lawyer for 2023 Best Client/Law Firm Team.

Prior to joining Dechert, Mr. Sadun was a partner at another major international law firm. Mr. Sadun also maintains an active pro bono practice.

Client Feedback

  • "Benjamin Sadun is a true star – a very rare type of lawyer with huge attention to detail and technical knowledge of various pretty complicated things (e.g. AI, data management, mobile apps industry).”  - The Legal 500, 2024
  • A leading artificial intelligence mobile application developer accused of misappropriating user biometrics, successfully having complaint seeking the largest ever Biometric Information Privacy Act class action dismissed.
  • The developer of the world’s most downloaded mobile health application with over 350 million downloads and 60 million monthly active users before regulators and in eight federal class actions and five foreign class actions—all alleging violations of user privacy.
  • A healthcare company specializing in female fertility accused of violating the Health Breach Notification Rule in negotiations with State Attorney Generals and the Federal Trade Commission, and also serving as trial counsel in a nationwide class action.
  • A network of healthcare clinics in pixel litigation concerning the alleged sharing of sensitive website traffic with third parties.
  • One of the nation’s largest healthcare organizations in an Attorney General investigation concerning an alleged data breach of sensitive patient information.
  • A major multinational corporation in arguing a motion for a new trial or remittitur, convincing Court to set-aside jury judgment and reduce damages by more than US$22 million.
  • A major multinational pharmaceutical corporation in winning a complete defense verdict as trial counsel in a 10 week product liability jury trial described by Courtroom View Network as one of the year’s “Top 10 Most Impressive Defense Verdicts.” 
  • A major multinational pharmaceutical corporation in a trial where the plaintiff sought hundreds of millions in compensatory and punitive damages. The Daily Journal selected the case as one of its “Top Defense Verdicts” of 2018, and Law360 cited the case as one of the “Top Product Liability cases of 2018.”
  • An artificial intelligence electric car company startup and founders in arbitration and federal court against trade secret theft and RICO allegations, and as plaintiffs challenging competitor’s anti-solicitation employment terms.
  • A supplier of over-the-counter generic pharmaceutical products in a contract dispute with counterparty, including during expedited proceedings relating to a requested injunction.
  • A trustee in a limited partnership dispute regarding Malibu commercial real estate, mineral rights, and farmland, and related individuals in probate dispute.
  • A hedge fund accused of insider trading arising out of US$50 billion tender offer for a major pharmaceutical company.
  • A legacy U.S. airline as a plaintiff in antitrust litigation alleging Sherman Act violations against the largest global distributor of airline content.
  • An entertainment company in an intellectual property dispute.
  • The world’s largest airline in contract negotiations with a credit card company.
  • The world’s largest airline in antitrust dispute with Latin American online travel agency.

 

Services Industries
    • Northwestern University, B.A., Political Science and Legal Studies, Winner of 2008 “Best Thesis” Competition (Legal Studies Dept.), Founder & Editor-in-Chief of Northwestern Interdisciplinary Law Review, 2009, with Honors
    • Harvard Law School, J.D., 2012, Cyber Law Research Assistant to Professor Lawrence Lessig, Federal Bar Council Fellowship, SCOTUSource Project, Harvard Defenders
    • California