Daniel P. O’Brien, Ph.D.

Daniel’s practice includes the preparation and prosecution of patent applications in biotechnology and other life sciences. He has a technical background in microbiology, cancer biology, cell biology, molecular biology, immunology, genetics, and biochemistry. Daniel received a B.S. (magna cum laude) from Middle Tennessee State University and a Ph.D. in Cancer Biology from Vanderbilt University Medical Center. He holds a J.D. (cum laude) from Case Western Reserve University School of Law, where he earned a Law and Technology concentration with honors and served as president of the Student Intellectual Property Law Association.

Daniel’s legal experience includes preparing, filing, and prosecuting patent applications, patent licensing, and strategic domestic/international portfolio management. His experience includes preparing and drafting legal opinions related to various aspects of patent law, including non-infringement, experimental use, written description, safe-harbor, patentability, and freedom-to-operate.

Daniel’s scientific experience includes the completion of his Ph.D. in cancer biology at Vanderbilt University, where his research focused on the role of Helicobacter pylori in the development of gastric adenocarcinoma. His research was featured on the cover of the Journal of Biological Chemistry.

Case Western Reserve University School of Law

J.D. (cum laude) 2011

Vanderbilt University Medical Center

Cancer Biology

Ph.D. 2008

Middle Tennessee State University


B.S. (magna cum laude) 2001

Daniel is admitted to the North Carolina State Bar and is registered to practice before the U.S. Patent and Trademark Office. He is a member of the Washington State Patent Law Association (WSPLA) and Life Science Washington.


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Honors & Awards

Listed in “Ones to Watch” - The Best Lawyers in America®, 2022