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James I. McClammy


Represents clients in securities, commodities and antitrust class actions, bankruptcy-related litigation, and other complex federal and state law litigation.

Jim has a broad litigation practice. Financial institutions, corporations, debtors, creditors and creditor committees look to Jim for representation in a wide range of matters, including securities, commodities and antitrust class actions, bankruptcy-related litigation, and other complex federal and state law litigation. He has substantial trial experience and has also participated in mediation and other alternative dispute resolution proceedings.

Jim’s recent matters include the representation of banks, other financial institutions and hedge funds in class actions asserting violations of the federal securities and antitrust laws; lenders and other creditors in contested bankruptcy litigation; pharmaceutical and other debtors in challenging chapter 11 proceedings; and the foreign representatives of numerous companies seeking relief from the U.S. Bankruptcy Court.

Experience 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
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Benchmark Litigation – United States and New York, Star

Savoy – “Most Influential Black Lawyers,” 2022

Crain’s New York Business – “Notable Black Leaders,” 2022


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


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

Professional history

  • Davis Polk since 2000

Qualifications and admissions

  • State of New Jersey
  • State of New York
  • 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, E.D. New York
  • U.S. District Court, New Jersey
  • U.S. District Court, S.D. New York
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