Main Menu


John is a partner at Bingham Greenebaum Doll LLP. He focuses his practice on prosecution and licensing of patent applications in a wide variety of mechanical and electrical fields, and also participated in patent, trade secret, and malpractice litigation. He has helped clients protect inventions pertaining to various types of engines (including jet, rocket and diesel), nanotechnology, medical devices, sensors, signal processing and dynamics, vehicles, food packaging, fluid manipulation, non-lethal weapons, and manufacturing. John has been named an IP Star by Managing IP. 

John obtained over 17 years of engineering experience, primarily in aerospace, with Hughes Aircraft Company, Missile Systems Group; General Motors, Allison Division, Advanced Military Engines; and Chrysler Corporation as an analyst, design engineer, systems engineer, supervisor and chief project engineer. His technical experience includes analysis, testing, design and engineering management of missile guidance units, computer control systems for aircraft and automotive engines, jet engine hot sections and automatic transmissions. He has applied his skills to the AIM-120 AMRAAM air-to-air missile, the YF-23 stealth fighter, the V-22 Osprey and the E-2C Hawkeye programs.

John became an attorney in 1995. For 10 years he practiced patent law at a patent boutique law firm in Indianapolis, where he was a partner and Chairman of the firm's Patent Group. He performed graduate research in computer modeling and testing of internal combustion engines, studied vehicle dynamics and taught classes in instrumentation at Purdue University. He became a Registered Professional Engineer in the state of Indiana in 1984.


Professional Affiliations

  • Indiana State Bar Association
  • American Bar Association
  • American Intellectual Property Law Association

Former Employment

  • Chrysler Corporation, Engineer, 1972-1974
  • Purdue University School of Mechanical Engineering, Instructor and Researcher, 1976-1978
  • Hughes Aircraft Company, Missile Systems Group, Engineering Supervisor, 1978-1981
  • General Motors, Advanced Military Engines Dept., Chief Project Engineer, 1981-1996
  • Woodard, Emhardt, Naughton, Moriarty, and McNett, Partner, Chairman of the Patent Group, 1996-2006

Community Involvement

Professional Leadership

  • Indiana Inventors Association
  • Licensing Executives Society

Civic and Charitable Involvement

  • Lecturer and Judge, Entrepreneurship and Innovation Program, Purdue University
  • Trustee, First Baptist Athletics
  • Boy Scouts


Contributions & Published Works



  • "Changes to the U.S. Patent System - Considerations and Opportunities for Small Business," 2012 SBA Indiana Resource Partners Gathering, April 12, 2012


Purdue University, B.S., Mechanical Engineering, 1976
Purdue University, M.S., Mechanical Engineering, 1978
Indiana University Robert H. McKinney School of Law, J.D., 1995

  • Indiana, 1995
    U.S. Patent and Trademark Office, 1997
    U.S. District Court, Southern District of Indiana, 1995
    U.S. District Court, Northern District of Indiana, 1995

Registered Patent Attorney
Registered Professional Engineer, Indiana, 1984 (not active)

Back to Page