Sterne Kessler Building Interior

Todd M. Hopfinger



Todd M. Hopfinger

Todd M. Hopfinger is a director in Sterne Kessler’s Electronics Practice Group. Todd focuses on the preparation and prosecution of patent applications. Todd has drafted patent applications relating to communications technologies, database systems, bioinformatics technologies and tools, complex signal processing techniques, power management for battery powered devices, and image processing.

Todd also has experience in drafting non-infringement and invalidity opinions, inter partes review and reexamination proceedings at the USPTO and the Patent Trial and Appeal Board, and assisting with district court litigation matters.

His technical experience includes software systems, databases, computer networks, and bioinformatics. He brings additional experience in security and cryptography from his past research experience designing a mobile communications system for first responders at the University of Michigan.

Todd is a contributing author of Patent Office Litigation, Second Edition, published in 2017 by Thomson Reuters Westlaw, the book provides a fresh and comprehensive exploration of patent office litigation proceedings, including how the proceedings interact with other aspects of patent procurement and enforcement, while delivering practical analysis and advice.

Prior to joining Sterne Kessler, Todd worked in the area of computer networks, developing Deep Packet Inspection (DPI) technologies at Arbor Networks.

Todd received his J.D. from The George Washington University Law School, his M.S. in computer science and engineering from the University of Michigan, and his B.S. in computer science from Purdue University.


Thought Leadership

Contact Information

Phone Number


The George Washington University Law School
Computer Science and Engineering
University of Michigan
Computer Science
Purdue University


District of Columbia
United States Patent & Trademark Office