John P. DiTomo

Practice Areas

John is a trial lawyer with nearly two decades of experience representing boards of directors, investors, and Fortune 500 companies in cases involving corporate governance issues, mergers and acquisitions, and stockholders’ rights.

John’s practice puts him at the forefront of the major M&A cases litigated in the Delaware Court of Chancery and the Delaware Supreme Court. He also has significant experience litigating cases in the Complex Commercial Litigation Division (CCLD) of the Delaware Superior Court.

John leverages his deep knowledge of Delaware law and finance to craft solutions for his clients. He brings impressive experience on high-profile cases, including, Politan v. Masimo, West Palm Beach Firefighters’ Pension Fund v. Moelis & Company, and In re Match Group, Inc. Stockholder Litigation that involved consequential developments in Delaware law. Some of John’s recent trial victories include a case involving board control and an activist investor, and a first-of-its-kind case in the venture capital space.

Outside of the courtroom, John serves on the Delaware Court of Chancery Rules Committee and the Board of Trustees of the University of Pennsylvania Institute for Law and Economics.

Career

Law Clerk to the Honorable William B. Chandler III, Chancellor, Delaware Court of Chancery

Professional Memberships

Delaware Board of Bar Examiners (appointed by Delaware Supreme Court, 2018-2024); Delaware Court of Chancery Rules Committee (chair); Delaware State Bar Association; University of Pennsylvania Institute for Law and Economics (Board of Trustees)

Publications

Coauthor, “Thirty Years Later – Why Corporations Continue to Choose Delaware: General Perspectives and Thoughts on 2025 DGCL Amendments,” The Corporate Governance Advisor (July/August 2025)

Coauthor, “Litigating Appraisal Actions: Key Issues and Considerations,” Practical Law (October 2024)

Education