A member of the firm’s Intellectual Property group, Donald Raymond practices in the patent area. Both in the United States and abroad, he prepares and prosecutes patent applications.

Registered to practice before the U.S. Patent and Trademark Office, Don counsels inventors, engineers, and in-house counsel through all stages of the patent application process. He focuses on matters relating to the computer, electrical, and electromechanical fields.

Don prepares noninfringement and invalidity opinions and patentability, due diligence, and patent landscape analyses. In these matters, he assists clients in pre-litigation enforcement of patent rights by performing initial infringement analyses, providing tailored patent enforcement strategies, preparing cease and desist letters, and negotiating settlement agreements.

In addition to handling patents, Don guides in the licensing of trademarks and copyrights and in various aspects of technology law.


Prior to joining Armstrong Teasdale, Don was in private practice at another area firm.


  • Washington University School of Law  (J.D.)
    • Order of the Coif
    • Washington University Law Quarterly, Associate Editor
  • University of Missouri-St. Louis  (B.S., summa cum laude)
    • Electrical Engineering


  • Missouri
  • U.S. Patent and Trademark Office

Professional Activities

  • The Missouri Bar
  • Institute of Electrical and Electronics Engineers


  • Chinese
  • German