Dennis J. McMahon

Dennis J. McMahon


Associate, New York

Dennis McMahon practices general intellectual property law with an emphasis on patent litigation, where he has substantial experience representing clients in a wide variety of technologies, ranging from consumer electronics, such as digital cameras, printers, scanners, image sensors, facial recognition software, user interfaces and touch screen technology; to fire safety products; to pharmaceuticals and biotechnology products, including pharmaceutical formulations and polymers. He has been a member of several trial teams in various federal district courts, representing both plaintiffs and defendants in jury and bench trials. Dennis' experience also includes contested proceedings before the U.S. Patent and Trademark Office, intellectual property transactions, due diligence, and trademark prosecution.

Dennis currently serves as a member of the New York IPLA committee on patent litigation. While in law school, Dennis was a Senior Editor on the Seton Hall Law Review and served as President of the Seton Hall IPLA.

Case Highlight
Dennis defended the firm's client, Canon, in four separate lawsuits brought by Intellectual Ventures in the District of Delaware involving more than 20 asserted patents and multiple areas of technology. Dennis helped secure victories on behalf of Canon both at the summary judgment stage and at trial. Dennis also assisted in parallel inter partes review proceedings successfully challenging patents asserted in the district court litigation.