Computer Technology Expert
Decl./Reports
Depositions
Trials*
Sandeep Chatterjee, Ph.D. is experienced in providing expert services and testimony in all facets of commercial and intellectual property litigation, International Trade Commission (ITC) investigations, and international arbitrations. Dr. Chatterjee's extensive experience with litigation, ITC investigations and arbitration together with his worldwide experience in designing, architecting, implementing and managing complex computing systems make him a commanding force in the court room.

Dr. Chatterjee is one of only a handful of technology expert witnesses who are listed in the IAM Patent 1000 of the world's leading patent professionals. In recognizing Dr. Chatterjee, IAM stated:
“Navigating the link between trade secrets and patent law, Sandeep Chatterjee connects with juries and judges with ease. The leader of Experantis leverages his persuasive and authoritative presence to earn the trust of law firms and end clients, showcasing his exceptional testifying skills. ”
“Representing Experantis, Sandeep Chatterjee is lauded for his abilities as an expert witness: 'He did a very thorough analysis of a substantial record, inclusive of extensive independent research of his own. He is extremely dedicated and hardworking. He invoked the use of straightforward analogies to simplify difficult technical concepts. He is a natural problem solver and approaches his analysis from multiple angles to ensure he has thoroughly vetted the issues. He also has excellent composure on the witness stand and a seemingly innate ability to teach.'”
“Working out of Experantis, Sandeep Chatterjee makes light work of understanding the most complex computer technology and delivers clear and eloquent testimony to secure big wins for his following in high-stakes disputes.”
“Sandeep Chatterjee does an excellent job across the board. He is a strategic thinker who brings to bear his deep knowledge of both technology and patent litigation. He provides insights that go far beyond what most experts are typically able to supply.”
Leading intellectual property litigators say the following about Dr. Chatterjee:
“A+,” rating Sandeep as an expert witness.
“With billions of dollars at stake, we chose Sandeep.”
“Sandeep is unmatched in his ability to think on his feet, and provide articulate oral evidence at trial.”
“Sandeep was an invaluable asset to our successful defense in Media Rights Technologies v. Capital One, and in achieving a great result for our client.”
“Sandeep's analysis is very persuasive, and his oral testimony is strong and compelling.”
Education
Exec. Ed., Global Leadership
Ph.D., Computer Science
M.S., Electrical Engineering & Computer Science
B.S., Electrical Engineering & Computer Science
Honors & Achievements
Named Young Global Leader by the World Economic Forum for professional accomplishments, commitment to society and potential to contribute to shaping the future of the world.
Technology solution designed by Dr. Chatterjee was identified as a Bloomberg Innovation, and the company he co-founded to commercialize that technology solution was featured on Bloomberg TV’s “Bloomberg Innovators” program.
Member of the World Economic Forum's Expert Network that advises world leaders on subjects related to technology and innovation.
Member of the JSR 172 Expert Group that defined the worldwide standard for J2ME mobile Web services.
Select Publications
Sandeep Chatterjee and James Webber. 2003. Developing Enterprise Web Services: An Architect's Guide (First ed.). Prentice Hall Press, Upper Saddle River, NJ, USA.
Sandeep Chatterjee and James Webber. 2005. Developing Enterprise Web Services: An Architect's Guide (Korean ed.). Pearson Education Korea Ltd., 137-5 Yeonhee-Dong, Seoul, South Korea.
Sandeep Chatterjee and James Webber. 2005. Developing Enterprise Web Services: An Architect's Guide (Indian ed.). Pearson India Education Services Pvt. Ltd., Elnet Software City, Chennai, India.