Matthew Eisenstein is an experienced litigator who focuses on complex commercial disputes, most notably involving financial services, consumer products, and pharmaceutical companies. He has litigated and arbitrated a broad range of matters, including product liability, consumer protection and antitrust, administrative procedure act, real estate, and breach of contract matters. Mr. Eisenstein routinely counsels clients on litigation risks, Consumer Product Safety Commission (CPSC) and Food and Drug Administration (FDA) regulatory issues, and the impact of potential legislation.

Prior to joining the firm, Mr. Eisenstein clerked for the Hon. Edmund V. Ludwig in the Eastern District of Pennsylvania. While in law school, Mr. Eisenstein served as an Editor of the University of Pennsylvania Law Review.


  • Payment card company in individual and national class actions in federal court multidistrict litigation challenging interchange fees under the Sherman Act and state consumer protection statutes.
  • Payment card company in federal antitrust class action litigation challenging ATM access fees under the Sherman Act and state consumer protection statutes.
  • Payment card company in consumer class action asserting deceptive practices under federal and state consumer protection statutes and common law.
  • Product manufacturer in consumer class actions asserting deceptive practices under state law.
  • Tenants association in litigation against prominent developer relating to the District of Columbia Tenants Opportunity to Purchase Act (TOPA).


  • JD, University of Pennsylvania Law School, 2000
  • BS, Industrial Engineering, Northwestern University, 1997
  • District of Columbia
  • Virginia
  • US District Court, Eastern District of Pennsylvania, The Honorable Edmund V. Ludwig

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