W David Kiesel

David Kiesel is a founding member of Roy Kiesel Ford Doody & Thurmon. He is registered to practice before the United States Patent and Trademark Office and has over forty years of experience with Intellectual Property Matters. Mr. Kiesel has assisted client with all aspects of intellectual property procurement and protection. Additionally, Mr. Kiesel has served as an expert witness in a multitude of patent infringement cases. Mr. Kiesel's vast experience includes:

  • Prosecution of patent applications across a wide array of technical disciplines
  • Conducted patent infringement and validity studies
  • Counseled clients regarding patent licenses
  • Prosecution of patent and trademark applications before the United States Patent and Trademark Office and foreign offices


  • Louisiana State University, B.S. in Mathematics
  • Louisiana State University, M.S. in Nuclear Engineering
  • Louisiana State University, Paul M. Hebert Law Center, J.D.


  • United States Patent and Trademark Office
  • Louisiana
  • United States Supreme Court
  • United States District Courts for the Eastern, Middle, and Western Districts of Louisiana
  • United States Court of Appeals for the Fifth Circuit