Joseph P. Guglielmo


  • Who’s Who in Legal Litigation: Leading Practitioner-E-Discovery (2023)
  • The National Law Journal’s “Plaintiffs’ Hot List”
  • Leading Plaintiff Financial Lawyers – Lawdragon 500
  • Super Lawyers – top Antitrust lawyer in the New York metro area
  • Leading Practitioner in E-Discovery (2023) – Who’s Who Legal Litigation
  • Board member: Advanced eDiscovery Institute – Georgetown University Law Center


Mr. Guglielmo is a partner in the Firm’s New York office, Chair of the Firm’s Consumer Practice Group and represents clients in consumer, antitrust and privacy litigation in federal and state courts throughout the United States.

Mr. Guglielmo currently serves in a leadership capacity in a number of complex class actions, including: Gerber v. Twitter, Inc., No. 23-cv-00186 (N.D. Cal.) (co-lead counsel, class action on behalf of consumer arising out of data breach of approximately 200 million Twitter users); In re MoveIT Customer Data Security Breach Litigation, MDL No. 1:23-md-0383-ADB (D. Mass.) (Discovery Committee, claims on behalf of consumers arising out of data breach); In re Google Assistant Privacy Litigation, No. 5:19-cv-04286 (N.D. Cal.) (co-lead counsel, class action on behalf of consumers alleging privacy violations whereby Google Assistant records and discloses their private, confidential communications without consent); and Forth v. Walgreen Co, Inc., No. 1:17-cv-02246 (N.D. Ill.) (lead counsel, asserting claims on behalf of nationwide class of consumers and third-party payers alleging overcharges for prescription drugs).

Mr. Guglielmo was recognized for his efforts representing New York University in obtaining a monumental temporary restraining order of over $200 million from a Bernard Madoff feeder fund.  Specifically, New York State Supreme Court Justice Richard B. Lowe III stated, “Scott+Scott has demonstrated a remarkable grasp and handling of the extraordinarily complex matters in this case.  The extremely professional and thorough means by which NYU’s counsel has litigated this matter has not been overlooked by this Court.”

Mr. Guglielmo lectures on electronic discovery and was a member of the Steering Committee of Working Group 1 of the Sedona Conference®, an organization devoted to providing guidance and information concerning issues such as discovery and production, as well as areas focusing on antitrust law, complex litigation, and intellectual property, and a member of the drafting team responsible for the Sedona Principles, Third Edition.  He is a frequent speaker on electronic discovery issues.


  • In re Foreign Exchange Benchmark Rates Antitrust Litig., No. 13-cv-7789 (S.D.N.Y.)
    ($2.3 billion settlement)
  • In re The Home Depot, Inc., Customer Data Security Breach Litig., MDL No. 2583 (N.D. Ga.) ($27.25 million settlement)
  • In re Equifax, Inc. Customer Data Security Breach Litig., No. 1:17-md-2800 (N.D. Ga.) ($32.5 million settlement)
  • First Choice Federal Credit Union v. The Wendy’s Co., No. 16-cv-00506 (W.D. Pa.)
    ($50 million settlement)
  • In re Disposable Contact Lens Antitrust Litig., No. 3:15-md-2626 (M.D. Fla.) ($118 million settlement)
  • Veridian Credit Union v. Eddie Bauer LLC, No. 2:17-CV-00356-JLR (W.D. Wa.) ($9.8 million settlement)
  • In re Target Corporation Customer Data Security Breach Litig., MDL No. 2522 (D. Minn.) ($59 million settlement)
  • Winsouth Credit Union v. Mapco Express Inc., No. 3:14-cv-1573 (M.D. Tenn.) (largest dollar-per-card recovery on behalf of financial institutions involving data breach of credit and debit card information)
  • In re Managed Care Litig., MDL No. 1334 (S.D. Fla.) (settlements exceeding $1 billion)
  • Love v. Blue Cross and Blue Shield Ass’n, No. 03-cv-21296 (S.D. Fla.) ($130 million and injunctive benefits valued in excess of $2 billion)
  • In re Insurance Brokerage Antitrust Litig., MDL No. 1897 (D.N.J.) (settlements in excess of $180 million)
  • In re Pre-Filled Propane Tank Marketing and Sales Practices Litig., MDL No. 2086 (W.D. Mo.) (settlements in excess of $40 million)
  • Bassman v. Union Pacific Corp., No. 97-cv-02819 (N.D. Tex.) ($35.5 million settlement)
  • Boilermakers National Annuity Trust Fund v. WaMu Mortgage Pass-Through Certificates, No. 09-cv-00037 (W.D. Wash.) ($26 million settlement)