Attorneys > Patrick A. Costello

Patrick A. Costello

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November 1, 1976

Bar Admissions:


New Jersey


Court Admissions:

The United States District Court for the District of Delaware

The United States District Court for the Eastern District of Pennsylvania

The United States Court of Appeals for the Third Circuit



The Pennsylvania Bar Association

The Delaware State Bar Association

Construction Industry

Delaware Contractors Association: Young Executive Committee

American Concrete Institute: Eastern Pennsylvania and Delaware Chapter


Certified by Delaware State Bar Association as a Commercial Law Arbitrator

Member of Executive Council of the Delaware State Bar Association’s Litigation Section



  • Dickinson School of Law of Penn State University - 2002
       Juris Doctor
       Art, Sports & Entertainment Law Clinic
       Dean's Scholarship Recipient  
  • Bucknell University - 1999
       Bachelor of Arts (History with a concentration in American
       Academic Minor in U.S. Studies
       Dean's List
       DOW Chemical Scholarship Recipient


Mr. Costello's practice focuses on commercial and construction litigation. He began working at the firm in the summer of 2007 and became an associate in January 2008. During the years 2004-2007, Mr. Costello worked as a litigation associate in the Wilmington, Delaware office of Klehr, Harrison, Harvey, Branzburg & Ellers, LLP. His practice at Klehr Harrison concentrated in corporate and commercial litigation, including appearances in Delaware's Chancery Court, Superior Court, District Court and Bankruptcy Court.


In 2003-2004, Mr. Costello served as a judicial law clerk in the Delaware Superior Court for Judge Jan R. Jurden. During 2002-2003, Mr. Costello worked as a judicial law clerk in the Court of Common Pleas of Pike County, Pennsylvania for then President Judge Harold A. Thomson, Jr..


In his spare time, Mr. Costello enjoys playing guitar and numerous sports. He is active in the Philadelphia Lawyers' Basketball League, the Wilmington Lawyers' Softball League and the New Castle County Soccer and Football Leagues.










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