Motion Capture Experts Evaluate Alleged Patent Infringement by Special Effects Firm


Special Effects Expert WitnessThis is a patent dispute in Virginia between two manufacturers of motion capture technology used in the film and video game industries to capture motion performances from actors. The data is captured via accelerometers, magnetometers, and gyroscopes that can very accurately capture 3D position, orientation, velocity, acceleration, angular velocity and angular acceleration of person to which the sensor is attached. The defendant in this suit allegedly copied the design of the plaintiff’s system, and manufactured a competing technology in partnership with an offshore manufacturer.

Question(s) For Expert Witness

  • 1. Please briefly describe your experience with the design and/or engineering of motion capture technology and related mobile application development.
  • 2. Have you ever published and/or lectured in this area?

Expert Witness Response E-067344

Expert-ID: E-067344

I am very familiar with wireless personal area networks designed to collect physiological and motion data from a person and this is my main area of academic research. Since 2010 I’ve been leading applied research efforts in this area including the development, prototyping and applying wireless sensor platforms. I believe I am qualified to review this matter because I developed technologies in this area, published peer reviewed papers in reputable journals and reviewed many manuscripts as well as grant proposals for the NSF. I am also an active member in the Wireless Body Area Networks (WBANs) research community which means I am up to date with state of the art in wearable technologies and their industrial standardization. In addition to my relevant technical expertise, I also have considerable experience in writing and evaluating patents. I am the inventor of 15 patents to date and a have been a regular member on patent evaluation committees at my university.

Expert Witness Response E-077390

I am an Associate Professor of Electrical and Computer Engineering in Boston. I have 150+ publications in the area of wireless networking, of which many are on wireless sensing and some are specifically on wearable sensors. My papers have been cited 10,000+ times. I have taught graduate-level classes on wireless sensor networks, and classes on wireless health. I regularly give invited seminars on related topics. I am an Associate Editor for some of the top journals in the field. I have significant experience with the design of wireless sensing technologies, including low-power wearables, and wireless transmission and networking of sensor data through small devices. I have been publishing regularly in this area (in top venues in the field) since 2004. I have consulted for a Fortune 500 company on matters related to intellectual property, and specifically on potential infringement of patents.

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