Overview

• The settlement aimed to reduce swipe fees by at least 0.04 percentage points for three years.
• Merchants and trade groups opposed the deal, citing insufficient relief and continued high fees.
• The judge's decision could lead to a renegotiated settlement or a trial.
• Visa and Mastercard expressed disappointment with the ruling.
• The case stems from a 2005 lawsuit alleging antitrust violations by the credit card companies.