Representative Cases


Visa and MasterCard

Serves as co-lead counsel in antitrust litigation against Visa, MasterCard, and major banks challenging anticompetitive rules and interchange fees charged to merchants

Plaintiff(s):

Class of merchants seeking monetary and equitable relief

Case type / claims:

Antitrust class action alleging that Visa, MasterCard and major card-issuing banks colluded to fix payment card interchange fees and enforce anticompetitive rules that inflated costs for merchants, in violation of the Sherman Act.

Defendant(s):

Visa Inc., MasterCard Inc., and major card-issuing banks

Jurisdiction:

U.S. District Court for the Eastern District of New York

Year:

Active

Outcome:

  • Class certification in 2021, believed to be the largest injunctive class ever certified in an antitrust case.
  • Settled in 2025, motion for preliminary approval is pending.