James I. McClammy
  1. Partner

Mr. McClammy is a partner in Davis Polk’s Litigation Department. He has represented financial institutions, corporations, debtors, creditors and creditor committees in a wide range of matters, including securities, commodities and antitrust class actions; bankruptcy-related litigation, and other complex federal and state law litigation. His experience includes a number of trials and evidentiary hearings as well as participation in mediation and other alternative dispute resolution proceedings.

His recent matters include the representation of banks, financial institutions and hedge funds in class actions asserting violations of the federal securities and antitrust laws, the representation of Lehman creditors in mediations and other claims resolution proceedings, the representation of the foreign representatives of a Japanese memory chip manufacturer in seeking relief from the U.S. Bankruptcy Court, the representation of airlines in chapter 11 proceedings, and the defense of lenders in connection with fraudulent conveyance actions.

Work Highlights

  • JPMorgan Chase in connection with litigation accusing 13 global banks of colluding to manipulate a different interest-rate benchmark, the U.S. dollar ISDAfix
  • A major financial institution in litigation seeking to uphold recoveries to certain secured creditors in casino bankruptcy
  • A major financial institution in an ongoing MDL alleging a conspiracy relating to credit default swaps
  • JPMorgan Chase in an action brought by a purchaser of common stock in Lighting Science Group Corporation alleging that JPMorgan Chase, as placement agent and underwriter, misrepresented the company’s investment worthiness
  • Citibank in litigation related to payments to holders of $8.4 billion in bonds issued by the Republic of Argentina stemming from the country’s 2001 sovereign debt default
  • Amaranth LLC, a hedge fund accused of commodity market manipulation, in civil commodity manipulation class actions
  • Broker-dealer in connection with the settlement of claims against the City of Detroit related to $800 million in notional-amount interest-rate swaps and $1.4 billion in principal-amount certificates of participation
  • Elpida Memory, Inc. in obtaining United States recognition of its Japanese plan of reorganization, the first time a U.S. court has granted full recognition to a Japanese reorganization plan under Chapter 15 of the U.S. Bankruptcy Code
  • FleetBoston Financial’s Fleet Specialist unit  in a class action alleging trading violations in direct order turnaround arbitrage
  • Pinnacle Airlines Corp., one of the largest regional airlines in North America, in connection with its chapter 11 cases
  • A consortium of lending institutions as trial counsel in litigation arising out of the leveraged buyout of Clear Channel Communications


  • Benchmark Litigation – “Future Star”: New York

Of Note

  • Member, American Bar Association
  • Member, American Bankruptcy Institute
  • Member, New York City Bar Association

Professional History

  • Partner, 2015-present
  • Counsel, 2006-2015
  • Associate, 2000-2006
  • Law Clerk, Hon. Morton I. Greenberg, U.S. Court of Appeals, Third Circuit, 1999-2000
  • Law Clerk, Hon. Alfred J. Lechner Jr., U.S. District Court, New Jersey, 1998-1999

Bar Admissions

  • State of New York
  • State of New Jersey
  • U.S. Court of Appeals, Second Circuit
  • U.S. Court of Appeals, Third Circuit
  • U.S. District Court, E.D. Michigan
  • U.S. District Court, New Jersey
  • U.S. District Court, E.D. New York
  • U.S. District Court, S.D. New York


  • B.A., Yale University, 1991
  • J.D., Seton Hall University School of Law, 1998
    • summa cum laude
    • Articles Editor, Seton Hall Law Review