Benjamin Sadun
Partner | Los Angeles
Benjamin Sadun

Benjamin Sadun, partner, is a litigator based in Dechert’s Los Angeles office, nationally recognized for his expertise in artificial intelligence and large language models, the Biometric Information Privacy Act and related privacy laws, product liability and mass tort disputes, securities litigation, and antitrust litigation.

Mr. Sadun has substantial experience advising Fortune 100 companies, private companies, and individuals in federal and state courts, as well as with regulators, and has served as trial counsel in highly publicized multi-million-dollar jury trials. This includes a complete defense victory 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. In 2022, he was recognized by The Legal 500 US in the area of Product Liability, Mass Tort and Class Actions. In 2023, he was recognized by The Legal 500 US in the areas of Consumer Products, and Pharma and Medical Devices.

On behalf of countless clients, Mr. Sadun has negotiated with the FTC, numerous State Attorney General offices, US Attorney offices, and Congressional Committees. 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 artificial intelligence and profiled by Law360 in an article about Dechert winning Cybersecurity and Privacy Group of the Year. In particular, Mr. Sadun has been lauded for his work counseling Flo Health, with Dechert winning The International Association of Privacy Professionals’ 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. Mr. Sadun also maintains an active pro bono practice.

Prior to joining Dechert, Mr. Sadun was a partner at another major international law firm.

  • A leading photography 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 100 million users 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 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.
Includes matters handled at Dechert or prior to joining the firm.
Services Industries
    • Northwestern University, B.A., Political Science and Legal Studies, 2009, with Honors
    • Harvard Law School, J.D., 2012, Federal Bar Council Fellowship, Research Assistant to Professor Lawrence Lessig
    • California