Barr is a member of YCST’s management committee and a former co-chair of the firm’s Litigation & Trial Practice Section. He clerked for the Honorable William T. Allen, Chancellor, on the Delaware Court of Chancery. With nearly 25 years of experience, Barr focuses his practice on litigation in the Court of Chancery, Delaware Supreme Court and other courts. Barr has experience in all variety of corporate governance matters including those concerning mergers and acquisitions, “interested party” transactions, director and officer liability, dilutive stock issuances, access to books and records, proxy disputes and indemnification disputes. Barr represented the directors of BP p.l.c. in derivative litigation in the Court of Chancery concerning losses suffered by PB from the Deepwater Horizon incident in the Gulf of Mexico. Barr also recently represented a stockholder plaintiff in litigation in the Court of Chancery concerning tens of billions of dollars in distributions by Fannie Mae of its entire net worth quarterly to the United States Treasury, referred to as the Net Worth Sweep. Barr also focuses his practice on representation of demand and special litigation committees in investigations and litigation. Barr recently served as lead counsel in a matter concerning nearly $1 billion in which the Nevada courts, including the Supreme Court of Nevada, applied Delaware law to a special litigation committee and established the standard under Nevada law for determining whether a court should defer to a decision by a special litigation committee.


  • Princeton University  (A.B.)
    • with Honors
  • Duke University School of Law  (J.D., L.L.M., cum laude)

Bar Admissions

  • Delaware
  • New York

Court Admissions

  • U.S. District Court for the District of Delaware
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York
  • Supreme Court of the State of Delaware
  • U.S. Court of Federal Claims


  • Chambers USA - America's Leading Lawyers for Business, Chancery, 2020
  • The Best Lawyers in America®, Litigation - Mergers & Acquisitions and Corporate Law, 2009 - Present

Memberships and Affiliations

  • Delaware State Bar Association, Member 
  • American Bar Association, Member
  • International Bar Association
  • Wilmington Institute Library, Board of Managers


  • Honorable William T. Allen, Chancellor, Court of Chancery of the State of Delaware