Sterne Kessler Building Interior

Daniel S. Block

Daniel S. Block

Daniel S. Block is an associate in Sterne Kessler’s Electronics Practice Group. Dan’s practice primarily focuses on district court and ITC litigation, and anti-counterfeiting litigation. Dan has also been involved in dozens of inter partes review and reexamination proceedings at the USPTO’s Patent Trial and Appeal Board. His technical expertise covers many areas of computing including: computer graphics, databases, networking communications, Voice-over-IP (VoIP), web services, complex computer architectures, storage systems, and mobile platforms.

Dan has also been involved in designing and implementing anti-counterfeiting measures for numerous international brands. As part of these measures, he has successfully recovered hundreds of thousands of dollars in ill-gotten gains from counterfeiters, and seized or stopped the sale of thousands of counterfeit items over the Internet.

Prior to joining Sterne Kessler, Dan developed interactive voice response (IVR) telephone systems and call routing systems for a variety of domestic and international retail, manufacturing, and governmental clients. Dan’s work primarily focused on designing, developing and integrating IVR systems with backend database systems, telecommunication/call control systems, and CTI systems. Through his work developing such systems, Dan has cultivated in-depth experience dealing with a variety of open source and proprietary PBX platforms. He has programming experience with a multitude of programming languages such as: C, C++, C#, Java, J2EE, Perl, XML, VoiceXML, and several assembly languages. He has also worked extensively with SOAP and XML-RPC and developed for a variety  of operating system platforms such as UNIX, Linux, Windows, BSD, and Mac OS X.

Dan is also a contributing author of Patent Office Litigation, Second Edition, published in 2017, 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. This second edition of Patent Office Litigation is the follow up to the first version of the book that was published in 2012 by Thomson Reuters Westlaw that focused on the contested proceedings that were introduced under the America Invents Act that year.

Dan received his B.S. in computer science from the Rochester Institute of Technology and his J.D., magna cum laude, from the University of Minnesota Law School. While in law school, Dan was a managing editor and staff member on the Minnesota Law Review.

Contact Information

Phone Number


University of Minnesota Law School
magna cum laude
Computer Science
Rochester Institute of Technology


District of Columbia
United States Patent & Trademark Office