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Dennis F. Gleason

PARTNER
Business Litigation
Civil and Commercial Litigation
Intellectual Property
Office: (973) 845-7647
Fax: (973) 845-7645
dgleason@jmslawyers.com
Court Admissions
  • New Jersey

  • U.S. District Court, New Jersey

  • U.S. Court of Appeals for the Second Circuit

  • U.S. Court of Appeals for the Third Circuit

  • U.S. Court of Appeals for the Fourth Circuit

  • U.S. Court of Appeals for the Sixth Circuit

  • U.S. Court of Appeals for the Seventh Circuit

  • U.S. Court of Appeals for the Federal Circuit

  • U.S. Supreme Court

Education
  • City University of New York, B.A.

  • New York University, M.A.

  • Seton Hall University School of Law, J.D.

Dennis Gleason, a Partner with the firm, 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, Dennis 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. Dennis additionally represents parties in trusts and estates litigation.

Representative Matters
  • 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)

  • “Do You Want to Keep It Secret? Things to Consider When Applying to Have Court Records Sealed,” New Jersey Lawyer Magazine, June 2021

  • “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

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

Memberships
  • American Bar Associations

  • Association of the Federal Bar of New Jersey

  • Federal Circuit Bar Association

  • New Jersey District Court Historical Society

  • New Jersey State Bar

  • Third Circuit Bar Association

Community Service
  • Former Chair, Herbert H. Lehman College Foundation, Inc.

Honors and Recognitions
  • Selected by New Jersey Super Lawyers® for 2008 to 2021.*

  • Fellow, Litigation Counsel of America

*The Super Lawyers list is issued by Thomson Reuters. A description of the selection methodology can be found at https://www.superlawyers.com/about/selection_process.html. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.