Allyson Himelfarb's practice focuses on complex commercial litigation and multijurisdictional class actions. Ms. Himelfarb's particular focus is on assisting businesses in the retail, healthcare, and technology sectors that have experienced data breaches, typically through defending consumer class action litigation.

In addition to working on complex business litigation, Ms. Himelfarb provides counseling on regulatory issues for clients in the consumer products sector, focusing on Federal Trade Commission (FTC) regulation and enforcement.

Prior to joining the firm, Ms. Himelfarb was with the FTC for more than nine years as an investigator in the Bureau of Consumer Protection where she served as the principal investigator on dozens of FTC enforcement actions and worked on rulemakings and enforcement proceedings under the Telemarketing Sales Rule, the CAN-SPAM Act, and the Magnuson-Moss Warranty Act, among others.

Experience

  • Barnes & Noble as lead litigation associate in data breach class action lawsuits involving alleged theft of payment card information, resulting in dismissal of case.
  • SAIC/Leidos as lead litigation associate in multi-district litigation related to alleged data breach of health care records.
  • Adobe in putative class action litigation concerning alleged breach of customer data.
  • Honeywell in class action property damage lawsuit in New Jersey.

Perspectives

Data Security Roundup—December 2016
A publication of the Privacy and Data Security Team
Data Security Roundup—October 2016
A publication of the Privacy and Data Security Team
Toward a More Just Justice System: How Open are the Courts to Social Justice Litigation?
Lawyers' Committee for Civil Rights Under Law (Report)
Data Security Roundup—August 2016
A publication of the Privacy and Data Security Team
Data Breach Watch: Five Things General Counsel Should Do Right Now
Arnold & Porter Advisory
More

Credentials

Education
  • JD, The George Washington University Law School, 2010, with honors
  • BA, Washington University in St. Louis, 2001, magna cum laude
Admissions
  • District of Columbia
  • Maryland
  • US District Court, District of Columbia
  • US District Court, District of Maryland
  • US District Court, Northern District of New York
  • US Court of Appeals for the Third Circuit
  • US Court of Appeals for the Fourth Circuit
  • US Court of Appeals for the Seventh Circuit
Overview

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