John J. Ignatowski

[email protected]

(248) 380 – 9300, ext: 141

John’s engineering background, coupled with over two decades of patent prosecution, place him in a unique position to help clients.  John spent 15 years as an electrical engineer performing research and development work for General Dynamics Pomona Division in California and system design work for General Dynamics Land Systems Division in Michigan.  His work ranged from semiconductor chip design and fabrication to vehicle power distribution.  While in Michigan, John was introduced to the world of patent law by his father.

John is a 2nd generation patent attorney. Over the last 25 years he has obtained more than 1,000 U.S. patents including working with world-wide clients in a variety of countries such as Canada, China, India, Italy, Japan, Russia, Taiwan, and the United Kingdom.

John’s engineering experience has given him the ability to easily communicate with inventors at technical levels in a wide variety of subjects in the electrical and mechanical arts.  John has worked cases covering topics such as automotive electronics, digital video chip designs, Global Positioning System utilization, data storage, computer components, cryptography, networks, telecommunications, microwave circuitry, embedded testing and solid-state drives.  Due to his experience in patent law, John is able to work well with the US Patent and Trademark Office to obtain issued patents.  John also has experience working with world-wide clients in a variety of countries, including Canada, China, India, Italy, Japan, Russia, Taiwan and the United Kingdom.  John’s experience as a Patent Attorney allows him to focus his work product on meaningful Intellectual Property for the clients.

John enjoys working with inventors on state-of-the-art inventions.  Seeing innovative technology before it is available helps keep his engineering curiosity satisfied.  He is also thankful for his success rate before the United States Patent and Trademark Office.  The experience of obtaining a newly issued patent is similar to seeing a new chip design come to life.


Practice Areas

  • Copyrights
  • IP Litigation
  • Licensing & Monetization
  • Patents
  • Portfolio Management
  • Post Grant Proceedings


  • Artificial Intelligence
  • Automotive
  • Biotechnology & Biomedical Engineering
  • Consumer Electronics
  • Electrical & Computer Science-Engineering
  • Image Processing & Optics
  • Manufacturing
  • Mechanical & Electromechanical Engineering
  • Semiconductor Processing & Devices
  • Software & Information Technology
  • Telecommunications & Wireless Technology


  • J.D., Wayne State University Law School
  • M.S.E.E., University of Michigan, Electrical Engineering
  • B.S.E.E., University of Michigan, Electrical Engineering


  • Michigan U.S. Patent and Trademark Office
  • ...
  • State Bar of Michigan
  • Michigan Intellectual Property Law Association