Demonstratives, Inc

About Us

 Visualization is in our DNA

3D Evidence

Demonstratives is located in the ISU Research Park in Ames, Iowa. a stone's throw from Iowa State University where 3D litigation evidence animations were pioneered more than two decades earlier at the Virtual Reality Applications Lab (VRAC).  Dedication to engineering the best visual solutions for our clients has always been the core of our culture.  Our methods can unify your legal team's understanding of the facts in a complex case and ultimately help your jury and/or judge clearly understand the facts behind the arguments that are critical to your client's success.   

Our experts are focused on helping you win your case

The professional staff of Demonstratives includes doctorate-degreed project managers, engineers, animators, illustrators, and video editors, many of whom helped to establish the litigation animation industry years earlier. Demonstratives' experience and expertise make it the industry’s premier provider of litigation evidence in 3D. Learn more about the Demonstratives Advantage.

ksr v teleflex animation manager

Daniel Kruger, Ph.D., Senior Managing Consultant

Dan led the Demonstratives production team (KSR v. Teleflex) which created animations for KSR demonstrating the operation of adjustable foot pedals in the landmark unanimous U.S. Supreme Court decision on obviousness as applied to patent claims. He was the President of Demonstratives, Inc. from 2004 to 2014, at which time the company was acquired by ESI. Additionally, he was the Vice President of Demonstratives, Inc. from 2001 to 2004. Dan has supervised hundreds of litigation projects in a wide variety of case areas, and he has lent his expertise to a range of interactive,educational, and software projects. Prior to working at Demonstratives, Dan served as Senior Project Manager at EAI for six years. Dan earned his doctorate in Aerospace Engineering and Engineering Mechanics from Iowa State University.

biotechnology animation expert

Charles Fox, Ph.D., Senior Consultant

Chuck led the Demonstratives production team (Affymetrix v. Illumina) that produced graphics illustrating DNA microarray technology, which helped Affymetrix’s attorneys show how Illumina infringed several Affymetrix patents, resulting in a $90 million settlement for Affymetrix. Chuck has 13 years of experience leading projects in a number of technical disciplines, including biotechnology patent, pharmaceutical patent, medical device patent and accused personal injury from environmental exposure. Prior to his work in litigation services, Chuck was a Pharmaceutical Research and Manufacturers of America (PhRMA Foundation) post-doctoral fellow at the University of Michigan and received his doctorate in Molecular, Cellular, and Developmental Biology from Iowa State University.

patent litigation expert

Lance Rewerts, Ph.D., Senior Consultant

Lance led the Demonstratives production team (Sprint v. Vonage) that produced the animated tutorial that jurors said made Sprint’s patent claims regarding Vonage’s voice over Internet service easy to understand and subsequently produced an $80 million settlement for Sprint. Many of his projects have focused on animations for electronics patent litigation, including semi conductor production, telephony, Internet, and computer-related technology.  Previously, he conducted post-doctoral research for the U.S. Department of Energy and served as a temporary Assistant Professor in the Departments of Mechanical Engineering and Aerospace Engineering/Engineering Mechanics at Iowa State University. Lance earned his doctorate in Mechanical Engineering from ISU.

litigation solutions assistant

Sharon Fox, Ames Administrator

Sharon joined Demonstratives at its inception in 2001, taking over the accounting functions, management of vendor relationships, and eventually human resources and office management responsibilities. She had worked at EAI for five years in its marketing and accounting departments. Previously, Sharon worked for 12 years as a commercial lines underwriter for various insurance companies in Iowa and Michigan. She holds a Bachelor of Arts in Political Science from Iowa State University.

Want to meet even more of our team? Meet our Production Staff.

2321 North Loop Drive, Suite 201
Ames, Iowa 50010

Telephone: 515-509-2920
Fax: 515-509-2919
Professional Litigation Animation

Success in the courtroom relies upon the ability to simplify complex evidence and clarify legal arguments. Demonstratives applies sound, scientific principles to every litigation project for a growing variety of case areas, including aviation, biotechnology, construction, engineering, environmental law, ground vehicle, intellectual property (IP), medical devices, and product liability. Demonstratives is the preferred provider of 2D graphics and 3D litigation animation nationwide.

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