D. Keith Scheer

Keith Scheer is a registered patent attorney and Senior Counsel with the firm.  Mr. Scheer joined Darrow Mustafa P.C. in 2015.


Practice Summary

Mr. Scheer has over fifteen years of experience in all aspects of intellectual property law, including the preparation and prosecution of U.S. and international patent applications, trademarks, copyrights, litigation, opinion work, due diligence, and licensing.


Professional Experience

Mr. Scheer has drafted and prosecuted hundreds of patent applications in a wide variety of technologies, emphasizing the electro-mechanical, mechanical, and software arts.  He counsels clients by preparing patentability, infringement, validity, and clearance opinions.  Mr. Scheer represents clients of various sizes from Fortune 500 corporations to start-up corporations to independent inventors.

In his practice, Mr. Scheer has experience in a wide-range of technologies. Examples of such technologies include autonomous vehicles, automated driving assistance systems and control methods, engines and engine components, vehicle hydraulic systems and control methods, assisted direct start systems, vehicle occupant protection systems, and pedestrian protection systems.



  • Juris Doctorate, 1993, Chicago-Kent College of Law

  • B.S. Mechanical Engineering, Minor Computer Science, 1983, Illinois Institute of Technology

  • Certificate in Robotics (Triton College)


Admitted to Practice

  • State of Illinois
  • State of Michigan 
  • U.S. Patent and Trademark Office
  • U.S. District Court for the Northern District of Illinois


Prior Industry Employment

Prior to pursuing a career in law, Mr. Scheer worked as engineer for over ten years for TSE, Inc., Molex Inc., and Eaton Corporation. 


D. Keith Scheer

410 N. Center Street, Suite 200
Northville, Michigan 48167