Mark Ladner is a member of the firm's Executive Committee and Board of Directors, and a member and former co-chair of the firm's Financial Services Litigation Practice Group.
Mr. Ladner has over 30 years of experience representing banks, credit card companies, and other financial institutions in the areas of antitrust and complex business litigation. In particular, he handles a variety of class actions challenging the structure and practices of the payment card industry, the setting of credit card fees, privacy and data security, the propriety of collateral protection insurance programs, and the disclosure and setting of charges to holders of credit cards. These cases involve issues arising out of the Sherman Act, the Federal Arbitration Act, the RICO Act, the Real Estate Settlement Procedures Act, the Truth in Lending Act (TILA), and state insurance and deceptive trade practices acts. Mr. Ladner is recommended by Chambers USA 2010–2012 in both the Financial Services Regulation and Antitrust practice areas, where clients describe him as "a thoughtful litigator" and "a fine antitrust litigator with an established background in the financial services sector." He has also been recognized by Legal 500 US 2012 in Financial Services Litigation.
Mr. Ladner has tried numerous cases in various state and federal courts and has substantial experience in multi-district litigation. For many years, he has been representing a major financial institution in a variety of significant litigation matters. These include its defense in In re Payment Card Interchange Fee and Merchant Discount Antitrust Litigation, an antitrust action by a class of all merchants who accept Visa and Master Card payment cards alleging price-fixing and tying claims. He has also represented that institution in other antitrust litigations involving the payment card business, including In re Currency Conversion Fee Antitrust Litigation, American Express v. Visa, and In re Late Fee and Over-Limit Fee Litigation. He has also represented other financial institutions in disputes relating to correspondent banking services and related issues.
Mr. Ladner is the former Managing Partner of the firm's New York office.