James J. Coster

James J. Coster is a partner of Satterlee Stephens LLP and is the Co-Chair of the firm’s Litigation Department and Chairman of the Executive Committee. 

Mr. Coster is a trial attorney with experience in a broad array of complex commercial litigation, particularly on behalf of financial institutions.

Mr. Coster has represented such clients as Moody’s Investors Services, Inc., JPMorgan Chase & Co., IBM, Exxon, Johnson & Johnson, Keefe Bruyette & Woods, Bank of Montreal, Investors Bank, Stifel Nicolaus and Company, Calvin Klein, Inc., PVH Corp., Menard Inc., Albanese Organization, Inc. and the Brunswick Corporation in complex litigation matters.

Mr. Coster has counseled and litigated on behalf of U.S. and European corporations in connection with investigations, securities law issues, antitrust, complex contract matters, insolvency, unfair competition, insurance coverage, intellectual property, lender liability, labor and personnel matters and real estate related litigation.

Representative Experience

  • Representing Moody’s, one of the world’s leading credit rating agencies, in connection with litigation matters arising out of its rating of structured finance securities including securities backed by subprime mortgages.  Matters include defending over 30 civil lawsuits in multiple jurisdictions seeking hundreds of millions of dollars in damages.
  • Represented Moody’s in class action proceedings alleging violations of the 1933 Act in connection with mortgage-backed securities issuances; successfully obtained dismissal of actions at the pleadings stage in decisions upheld on appeal.
  • Represented Moody’s in numerous actions brought by institutional investors alleging state common and blue sky law violations in connection with mortgage-backed securities and other issuances; the majority of actions have been dismissed, most at the pleading stage.
  • Represented JPMorgan Chase & Co. and the Bank of New York, as indenture trustees, in an action seeking tens of millions of dollars in damages as a result of alleged state law fiduciary duty violations and other torts in connection with the failure of synthetic CDOs; obtained a dismissal by the trial court and affirmance on appeal.
  • Represented JPMorgan Chase & Co. as purchaser of a financial services company in connection with claims for millions of dollars in “earnout” damages by the selling employee/shareholders.  Following discovery, successfully obtained summary judgment on all claims.
  • Represented JPMorgan Chase & Co. in an action involving an earnout provision in JPMC’s agreement to purchase a financial consulting services company.  Plaintiffs’ claims seeking approximately $20 million were dismissed on summary judgment.
  • Represented JPMorgan Chase & Co. as former indenture trustee for a series of bonds in an action by a commercial bank claiming that its rights as a standby bond purchaser were infringed.

Mr. Coster has been selected by Super Lawyers from 2015-2019. 1 The Super Lawyers list is issued by Thomson Reuters. A description of the methodology can be found at the Super Lawyers website.

  • 1. Selection to the Super Lawyers list is not subject to, nor does it indicate approval by, the courts to which Mr. Coster is admitted to practice.

Contact Information



(212) 404-8712


Practice Areas: 


St. John's University (J.D.) St. Thomas More Scholar, 1990
Boston College (B.A.), 1987


New York
United States District Court for Southern and Eastern District of New York