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Dechert LLP

300W 6TH STREET, SUITE 2010, AUSTIN, TX 78701, USA
Work +1 512 394 3000
Fax +1 512 394 3001

Jeffrey B. Plies

Work +1 512 394 3012
Dechert LLP

Work Department

Intellectual Property


Jeffrey B. Plies, chair of Dechert's Intellectual Property group, represents technology and medical device companies in patent litigation. As a former engineer for the U.S. Air Force Electronics Systems Center, the U.S. Army Materials Technology Laboratory, the Lawrence Livermore National Laboratory, and the MITRE Corporation, Mr. Plies’ diverse technical expertise includes direct working experience with technologies such as global positioning system, radar, and satellite communications, UHF/VHF/HF communications, missile guidance, aircraft avionics (e.g., FMS, INS, ILS, EFIS, TCAS, and IFF), heavy armor systems, rapid solidification, and aerospace alloy development.

Mr. Plies represents plaintiffs and defendants in patent litigation throughout the United States. Recently, he has represented clients in patent disputes involving medical devices (artificial heart valves, annuloplasty rings, and drug eluting coronary stents), video compression (MPEG), error correction algorithms for data storage devices, telephony modems, computer graphics, speech compression, computer I/O busses, IEEE 802.11 Wi-Fi, processing and scaling of TV video signals, flexible manufacturing/assembly systems, and Display Data Channel Command Interfaces (DDC/CI) for computer monitors.


  • Massachusetts Institute of Technology (MIT), B.S., Mechanical Engineering, 1991
  • Massachusetts Institute of Technology (MIT), M.S., Materials Science, 1993
  • The University of Texas School of Law, J.D., 2000, Order of the Coif

United States: Intellectual property

Trademarks: non-contentious (including prosecution, portfolio management and licensing)

Within: Trademarks: non-contentious (including prosecution, portfolio management and licensing)

Dechert LLP is well regarded for searching and clearance matters as well as prosecution and portfolio management. Glenn Gundersen and Jeffrey Plies chair the practice, which notably represents Apple. In a recent highlight, Gundersen advised Willis Towers Watson on a wide range of trademark-related matters, including infringement and enforcement issues. Jennifer Insley-Pruitt and Spencer Joffrion are new arrivals, joining from Fross Zelnick Lehrman & Zissu, P.C. and Cravath, Swaine & Moore LLP respectively.

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