John Strawn

Welcome to the Home Page of S Systems, Inc., founded by John Strawn, Ph.D. to offer consulting and litigation services primarily related to and .

Dr. Strawn’s career presaged and then closely tracked the development of and starting long before the advent of the personal computer and the compact disc. Dr. Strawn has decades of experience in academia and industry as researcher, employee, manager, and independent consultant. He has published widely and is considered to be a skilled teacher.

View Dr. Strawn’s CV here, or download a PDF copy.

Litigation Support

Dr. Strawn is a seasoned specializing in with experience in Federal Court, the International Trade Commission, and the US Patent Office.  He also handles trade secret and copyright litigation involving software. He has been deposed 19 times, testified at trial 3 times including the landmark case Lucent v Microsoft, and submitted declarations in 5 sets of IPRs. Dr. Strawn handles and for both plaintiffs and defendants. Based on his own research, he writes his own reports and declarations. View list of litigation assignments


Dr. Strawn is an accomplished in such as C, C++, and Java as well as in low-level for digital signal processors. He also works with other languages such as Javascript, HTML, XML, even SQL.  Dr. Strawn draws on experience gathered with mainframe computers and punched cards, mini computers, microcomputers, personal computers, and View list of consulting projects.