Visa Inc. is embroiled in continued legal disputes over its November 2025 settlement with merchants to reduce interchange fees in the U.S. According to a January 5, 2026 eMarketer report, numerous merchant groups are challenging the agreement, suggesting the protracted legal battle is set to continue. This opposition, notably from Walmart, highlights concerns that the settlement fails to adequately address merchant needs, prolonging uncertainty over Visa's future fee structure.