B. Dell Chism

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Clients benefit from Dell Chism's extensive technical knowledge in complex matters involving biotechnology intellectual property. Mr. Chism’s experience involves the preparation and prosecution of U.S. and foreign patent applications in the chemical, biochemical, pharmaceutical and biotechnology fields. His background also includes assisting with the preparation and research of freedom-to-operate, validity, infringement and patentability opinions.

Mr. Chism served five years as a patent examiner with the United States Patent and Trademark Office (USPTO). As a primary examiner in the USPTO Biotechnology Group, he prosecuted U.S. and international patent applications to pharmaceuticals and methods of treatment, pesticides and herbicides, while focusing in the areas of small peptides and proteins, enzymes and plant extracts.  He also trained junior examiners and was granted full authority to issue patents in the name of the commissioner of patents.

Mr. Chism performed extensive laboratory research in the areas of medical entomology concerning toxicological control of disease vectors for malaria, Eastern Equine Encephalitis, LaCrosse Encephalitis and West Nile virus. He is well versed in all modern molecular biology techniques, having used them in the laboratory and examined them for the USPTO.




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Bar Admissions

  • U.S. Patent and Trademark Office
  • District of Columbia
  • Virginia



  • George Mason University School of Law, J.D., 2008
  • North Carolina State University, M.S., Entomology, 2001
  • Virginia Commonwealth University, B.S. Biology, cum laude, 1998

Contact Address

1200 New Hampshire Avenue NW, Suite 710

Washington, DC 20036-6802

Phone: 202.517.1888

Fax: 202.517.6322