Knobbe/Martens: Intellectual Property Law
Casey D. Donahoe, Ph.D.
As a former patent examiner, I know how to maximize the protection hard-earned scientific achievements deserve.

Casey D. Donahoe, Ph.D.


At a Glance

  • J.D. Washington University School of Law
  • Ph.D. Biomedical Engineering, Washington University in St. Louis
  • B.S.E. Biomedical Engineering, Duke University

  • U.S. Patent and Trademark Office

Professional Profile 

Dr. Casey Donahoe practices intellectual property law with an emphasis on patent prosecution and strategy in the biotechnology, life sciences, and medical devices fields. 

While attending Washington University School of Law, Dr. Donahoe served as an editor for the Washington University Law Review and volunteered with the Office of Technology Management in commercializing university-owned intellectual property.

Dr. Donahoe earned his Ph.D. in biomedical engineering, also from Washington University in St. Louis. There his research combined chemistry, biology, and engineering in developing polymeric biomaterials with ultra-low protein adsorption properties for applications in regenerative medicine and tissue engineering. Specifically, he worked on creating porous hydrogel scaffolds and high density nanogel coatings employed in applications such as vascularization of engineered tissue constructs, stem cell culture and differentiation, blood-compatible cardiovascular implants, drug delivery vehicles, and low-background diagnostic imaging. His broad scientific background, with an education encompassing the life sciences as well as traditional fields of engineering, including mechanical and electrical engineering, make him a highly versatile patent practitioner. 

Prior to graduate school, Dr. Donahoe worked as a patent examiner at the U.S. Patent & Trademark Office, evaluating patents in the fields of dentistry, orthodontics, cosmetics, and retractors. His experience in that position provided him unique insight into what can make the difference between a patent application's final rejection or its allowance.

Dr. Donahoe joined the firm in 2016.


  • Washington University School of Law (J.D. 2016), magna cum laude, Order of the Coif, Carmody MacDonald Legal Practice Excellence Award, Staff editor of Washington University Law Review; Saul Lefkowitz Moot Court Competition (2016)
  • Washington University in St. Louis (Ph.D. Biomedical Engineering 2013), Dissertation Title: "Engineering poly(ethylene glycol) nanogel coatings: Developments in achieving ultralow protein adsorption and applications as substrates for stem cell culture"
  • Duke University (B.S.E. Biomedical Engineering 2005)
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