Jonas R. McDavit

Jonas R. McDavit

PHONE: 212-351-3425 FAX: 212-351-3401
Jonas McDavit is a partner at Desmarais LLP with experience representing clients in high-stakes patent infringement cases before federal courts, the International Trade Commission, and the USPTO Patent Trial and Appeal Board. He handles cases involving diverse areas of technology, including computer hardware and software, semiconductors, wireless communication, mobile devices, image sensors, pharmaceuticals, photo-imaging equipment, and a wide range of consumer products.
He has successfully represented both plaintiffs and defendants, including patent owners and accused infringers, in litigation around the country. For example, Mr. McDavit represented patentee-plaintiff Intellectual Ventures in a patent infringement action relating to semiconductors and electronic communications. He helped secure an infringement verdict at a jury trial in federal district court, leading to a favorable resolution of the matter. 
He has also represented accused infringer-defendant Cisco Systems in several multi-patent cases concerning communications equipment and infrastructure, including managing and coordinating motion practice, claim construction, and all discovery. Mr. McDavit also has substantial experience in areas outside patent litigation, including securing a temporary restraining order for client IGT to prevent a major disruption of a recent, important trade show.
Mr. McDavit has substantial experience litigating cases in jurisdictions throughout the country, including the Eastern District of Texas, the District of Delaware, the District of Massachusetts, the District of Nevada, the District for the District of Columbia, and the Northern District of California. He is a former U.S. Navy submariner, who held the rank of Lieutenant Commander, and a graduate of the Georgetown University Law Center and the University of Notre Dame. Prior to joining Desmarais LLP, Mr. McDavit practiced in the Intellectual Property group of Kirkland & Ellis LLP.


  • United States District Court for the Southern District of New York
  • United States District Court for the Eastern District of New York
  • United States Court of Appeals for the Federal Circuit


Representative Matters

Exemplary cases include:
  • Represented Nokia in multiple patent infringement actions, including a patent assertion against HTC Corporation before the International Trade Commission and a defense of Nokia in the District of Delaware.
  • Represented Intellectual Ventures in multiple patent infringement trials involving semiconductors, computer storage, and computer communications.
  • Represented IGT to obtain a temporary restraining order against an individual seeking to disrupt IGT’s business.
  • Represented Cisco Systems against the Rockstar Consortium in a patent infringement and antitrust litigation involving cable technology and voice-over-IP.
  • Represented Round Rock Research in several patent infringement actions involving semiconductors, data storage, computer hardware, and computer software.
  • Represented MobileMedia Ideas against HTC, Inc. in a patent infringement litigation involving various aspects of mobile handset technology.
  • Represented Oasis Research, LLC in several patent infringement litigations involving online backup and software-as-a-service technology.
  • Represented IBM Corp. against TecSec, Inc. in a patent infringement litigation involving encryption, database, and web services technologies.
  • Represented GlaxoSmithKline against Apotex, Inc. in a patent infringement and antitrust litigation involving the prescription antidepressant pharmaceutical Paxil.
  • Represented Masonite Corp. against JELD-WEN Inc. in a patent infringement litigation involving wood composite materials.
  • Represented Alcatel-Lucent against Microsoft Corp., Dell Inc., and Gateway, Inc. in a multi-patent litigation involving digital video compression, perceptual audio coding, user interface, and communications protocol technologies.
  • Represented Xerox Corp. against Sharp Electronics Corp. in a patent infringement litigation involving photocopier and photoimaging technology.


Georgetown University Law Center, J.D., 2006, cum laude, Senior Articles Editor, Georgetown Journal of Legal Ethics

University of Notre Dame, B.A., Government, 1996, magna cum laude, Student Academic Commissioner


2007, New York



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Phone: 212-351-3400


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