About
Dillon E. Durnford is a registered patent attorney and non-equity partner at Andrus Intellectual Property Law. He focuses on securing robust patent protection for clients across domestic and international jurisdictions, with a practice that includes prosecution, enforcement, and strategic IP counseling.
Dillon holds a Juris Doctor, cum laude, from George Mason School of Law, where he specialized in intellectual property law. He also earned a Bachelor of Science in Electrical Engineering from the University of Wisconsin. This strong technical and legal education supports his ability to address complex patent matters across evolving technologies.
Before entering private practice, Dillon served as a Patent Examiner at the United States Patent and Trademark Office (USPTO), where he reviewed applications in digital imaging technologies. This experience gives him valuable insight into patent prosecution from both the applicant and examiner perspectives.
Dillon’s experience covers a wide range of advanced technologies, including machine learning, artificial intelligence (AI), medical devices, cloud computing, bioinformatics, image and data analysis, Internet of Things (IoT) systems, and computer‑aided diagnostics. He provides strategic patent counseling on patentability, validity, infringement, freedom‑to‑operate, and other critical issues in patent law for technology‑driven clients.
In addition to preparing and prosecuting patent applications, Dillon helps clients build IP strategies that align with business goals and protect innovation. His in-depth understanding of both legal frameworks and technical systems allows him to provide practical, forward-thinking guidance.
Dillon E. Durnford is admitted to practice before the USPTO, the Supreme Court of Wisconsin, and the New York Court of Appeals. Known for his analytical precision and technical fluency, he is a trusted advisor for clients seeking effective, long-term intellectual property solutions.
Law Office Affiliations
- Patent Attorney, Andrus Intellectual Property Law, LLP
- Member, Wisconsin Bar Association
Licensed State
- Wisconsin
Education
- George Mason School of Law
Juris Doctor (JD) - University of Wisconsin
Bachelor of Science (BS)
Awards & Badges

- Patent
- Science & Technology
- Medical Malpractice




