Home People James J. O’Shea

James J. O’Shea

P: 315.565.4545
F: 315.565.4600

James J. O’Shea is a partner in the Firm’s Litigation practice. He focuses on complex litigation in federal and New York State courts representing clients in sophisticated corporate disputes including dissolutions of both public and private entities, shareholder derivative suits, bankruptcy and restructuring matters, construction litigation, environmental (CERCLA) litigation, fiduciary/estate litigation, and defense of personal injury claims. In an advisory role, Mr. O’Shea often serves as a liaison between businesses and individuals regarding risk management, employment, tax, corporate organization and dispute resolution prior to litigation.

Mr. O’Shea has successfully represented municipalities and their respective agencies in a variety of issues including tax certiorari matters from the beginning of the grievance proceeding through multi-year challenges at trial.

Mr. O’Shea also represents clients in various leisure industries across New York State and Vermont, successfully defending many personal injury claims, often achieving dismissals before trial.

Representative Matters

  • Represented national athletic governing body in complex construction litigation in the successful defense of multiple claims, culminating in full resolution before trial.
  • Represented multi-national pipeline and terminal operator in defense of complex CERCLA claims in connection with remediation of large Superfund site.
  • Represented controlling shareholders and Officers and Directors of a multi-national manufacturing company in the successful defense of breach of fiduciary claims seeking in excess of $10 million dollars, culminating in full resolution of claims and buyout of minority shareholders.
  • Successfully defended the Officers and Directors/Member Managers of a multi-national business at trial in the United States Bankruptcy Court, Northern District of Illinois, on breach of fiduciary claims seeing in excess of $3 million dollars.
  • Obtained judgment in excess of $1 million dollars for a national business conglomerate as a result of a business partner’s breach of contract.
  • Obtained summary judgment for large snowmobile club on personal injury claims pursued by injured snowmobilers.
  • Represented multiple municipalities in multi-year tax certiorari actions.
  •  Obtained summary judgment for regional business in the defense of personal injury claims in Westchester County.
  • Represented regional banking institution in the successful prosecution and recovery of in excess of $300,000.00 on fraudulent conveyance claims.
  • Represented regional banking institution on the recovery of fraudulently wired funds.
  • Represented numerous businesses and individual shareholders in partnership, LLC, and corporate disputes and dissolution proceedings across New York State.
  • Represented numerous beneficiaries, trustees, estate administrators against breach of fiduciary claims.
  • University at Buffalo Law School, J.D., cum laude, 2009
    • Recipient, Harold A. Dautch Memorial Scholarship
    • Concentrations in finance-transactions and International Law
  • Northeastern University, B.S., cum laude, 2006
    • Visiting Scholar, London School of Economics
    • Youth Diplomat, National Youth Diplomacy Mission to China



  • Member, International Amusement and Leisure Defense Association
  • Member, New York State Academy of Trial Lawyers
  • Member, Empire State Counsel, New York State Bar Association
  • Member, New York State Bar Association
  • Member, Northern District of New York Federal Court Bar Association
  • Member, New York State Bar Association, Federal and Commercial Litigation Section
  • Member, Onondaga County Bar Association
  • Secretary, Bishop Grimes Jr./Sr. High School, Board of Trustees
  • Chair, Bishop Grimes Jr./Sr. High School, Athletics Committee Volunteer Junior Varsity/Varsity Basketball Coach, Bishop Grimes Jr./Sr. High School

Honors & Recognitions:

  • Selected, Upstate New York Super Lawyers – Rising Star (2016-2023)
  • Empire State Counsel, New York State Bar Association (2013)