Contact Information

Practice Areas

  • Business litigation
  • Patents, trademarks, copyright
  • Unfair competition
  • Trade secrets 
  • Probate litigation
  • Insurance coverage
  • Appeals

Bar Admissions

  • New Jersey, 1987

Court Admissions

  • U. S. District Court for the District of New Jersey, 1987
  • United States Supreme Court, 2003
  • U.S. Courts of Appeals, Second Circuit, 2005
  • U.S. Courts of Appeals, Third Circuit, 1990
  • U.S. Courts of Appeals, Sixth Circuit, 1999
  • U.S. Courts of Appeals, Seventh Circuit, 1998
  • U.S. Courts of Appeals, Federal Circuit, 1997


  • City University of New York, B.A. 1975 
  • New York University, M.A., 1980
  • Seton Hall University, J.D. 1986


  • American Bar Association
  • New Jersey Bar Association
  • Association of the Federal Bar of New Jersey
  • Federal Circuit Bar Association
  • Third Circuit Bar Association
  • New Jersey District Court Historical Society

Professional Activities

  • Arbitrator, District of New Jersey
  • District of New Jersey Lawyers’ Advisory Committee
  • District of New Jersey Patent Rules Committee
  • Master, John C. Lifland American Inn of Court

Community Service

  • Chair, Herbert H. Lehman College (CUNY) Foundation, Inc.

Dennis GleasonDENNIS F. GLEASON, a partner in our litigation group, is an experienced practitioner in federal and state courts throughout the country, both on the trial and appeal level. As part of his focus on commercial litigation, Mr. Gleason represents individuals and companies in a variety of business disputes including contract and employment issues, insurance coverage, adversarial proceedings in bankruptcy, as well as patent, trademark, copyright and trade secret matters.  Mr. Gleason, in addition, represents parties in trusts and estates litigation.

Representative Cases

• After a jury trial, successfully obtained a money judgment and permanent injunction for patent infringement on behalf of food packaging manufacturer. The entire judgment was upheld on appeal.

• On behalf of an estate, obtained a judgment in excess of $500,000 from a son who was found to have exercised undue influence over his mother. The judgment was affirmed on appeal.

• Representing the chief engineer of a tanker ship in a criminal action under MARPOL, successfully moved to exclude the government’s expert witness and his report, which, in turn, led to the dismissal of charges against the chief engineer.

• In the representation of a telecom reseller, successfully obtained sanctions against a former employee for having engaged in spoliation of computer evidence he was alleged to have misappropriated from his employer. As a result of the sanctions, the matter was settled.

• At the trial level, successfully obtained a judgment against the State of New Jersey when it failed to make payments to an architect for a state construction project. The judgment was sustained on appeal.

• Successfully represented an individual in a jury trial who was alleged to have been personally liable on a promissory note when the underlying investment failed. In addition to not having been found liable on the note, the client prevailed on a counterclaim.

• As pro bono counsel for the Public Defender, successfully obtained a partial reversal of the conviction based on an erroneous jury charge.

• Following an appeal regarding the suppression of evidence from an overly broad search warrant, successfully obtained a dismissal of the client in a multi-defendant criminal action.

Publications and Presentations

New Jersey Federal Civil Procedure, New Jersey Law Journal Books (Chapter Author)

“Will That be Paper or Digital? A Basic Understanding of Electronic Discovery,” New Jersey Lawyer Magazine, February 2004

“Do’s and Don’ts of Federal Practice for Advanced Practitioners,” Moderator, New Jersey Institute for Continuing Education, 2003

“Litigating Intellectual Property Cases,” Moderator, New Jersey Institute for Continuing Legal Education, 2001

“Examining the Ethical Rule Barring Ex Parte Communications of an Organization’s Employees” 1995 Complex Crimes Journal, American Bar Association