Matthew D. LaBrie

Senior Associate


Matthew D. LaBrie is a litigation associate in Orrick's Boston office. His practice focuses on complex commercial disputes and class action defense, as well as cybersecurity litigation and incident response.

In his commercial litigation practice, Matthew represents clients in federal and state court at the trial and appellate levels.  While Matthew routinely assists clients at all stages of the litigation process, through motions practice, discovery, witness preparation, and trial, he has a particular focus on class action defense.  Matthew's litigation experience is broad, including data security litigation, commercial and contractual disputes in all industries, shareholder derivative litigation, and class action defense, as well as commercial arbitration.  His current engagements include representation of clients facing consumer class actions arising out of a data breach of the MOVEit file transfer software; a social media company facing consumer class actions arising out of a data breach; the University of Washington in a pandemic-related class action seeking refunds of tuition and fees on behalf of students; and a series of litigations over the ownership and control of a social media company.  

In his cybersecurity practice, Matthew counsels clients across the globe through all stages of a privacy or data security incident, navigating the relevant legal regimes, managing the response to and investigation of an incident, and handling any litigation or regulatory investigation resulting from the incident.  Matthew spent a year based in Orrick's London office developing and coordinating Orrick's worldwide data breach incident response and litigation capabilities.

Matthew maintains an active pro bono practice. He has assisted individual clients with family law matters, advocated on behalf of veterans' and immigrants' rights, and represented human trafficking survivors in a series of federal cases.

  • Commercial Litigation & Class Action Defense

    • Sally Beauty Products.  Advised and represented Sally Beauty in responding to card brand inquiries stemming from the data security breach that Sally Beauty announced in March 2014 and also in litigation against Visa in connection with Visa’s issuer reimbursement assessment relating to the data security incidents.
    • Hilton Worldwide.  Counsel regarding potential card brand claims stemming from two separate data security incidents that affected certain Hilton-branded hotels around the world in 2014 and 2015, and also in litigation against Hilton's former payment card processor in connection with a commercial dispute relating to the data security incidents.
    • Zoosk. Counsel for Zoosk in defending a consumer class action brought against Zoosk based on a data breach discovered by Zoosk in 2020.
    • Represented multiple universities in a pandemic-related class action seeking refunds of tuition and fees on behalf of students.
    • Represented a health care technology company in a putative class action alleging violations of the TCPA's junk fax rule.
    • Represented Arby’s Restaurant Group in defending against class action litigation and card brand claims arising from a data security incident announced in February 2017.


    • Advised multiple multi-national technology companies in its response to a cybersecurity incident that affected data subjects in dozens of jurisdictions across the United States, Europe, Asia and South America.