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River Sonic Solutions

Expert Witnessing and Technical Consulting in imaging, signal processing and electronics

Dr. Chris Daft Expert Witness

Dr. Chris Daft is an award winning, Oxford Educated scientist. He is an expert witness and consultant whose areas of expertise include signal and image processing, machine learning and medical imaging. Dr. Daft has extensive Intellectual Property experience including patent development, licensing, and serving as an expert witness who has testified at deposition and trial. He is a serial inventor who holds 24 U.S. Patents with more pending. Dr. Daft holds a BA and MA in Physics from Oxford, and a Doctorate from Oxford in Materials Science. The author may be contacted at:
chris.daft@riversonicsolutions.com
+1 (415) 800-3734 office +1 (408) 806 7525 cell
River Sonic Solutions LLC 2443 Fillmore St #380-4039, San Francisco, CA 94115

Finite Element Analysis expert witness: making complex issues clear

By Dr. Chris Daft

Finite Element Analysis of car crash

Introduction Finite element analysis (FEA) is a technique which helps explain complex technical issues by displaying them in a format which is easy to understand.  As such, it can be a potent tool in litigation.  In the illustration below, FEA was used to show stresses in a vehicle involved in a collision. The outline of the car is clearly visible, while color shows the stress … [Read more...] about Finite Element Analysis expert witness: making complex issues clear

Behavioral biometrics expert witness: identity from motion

By Dr. Chris Daft

cell phone establishing identity

Introduction A previous blog post introduced the subject of biometric security, covering how identity is established using biological inputs such as fingerprints, palm veins, and features of the face, iris or retina. Both the technologies involved in biometrics and the governing legal frameworks are changing. Here we focus on the behavioral side of biometrics and explore how … [Read more...] about Behavioral biometrics expert witness: identity from motion

Artificial Intelligence (AI) & Medical Imaging Expert Witness: Radiology’s Future

By Dr. Chris Daft

Artificial neural network

Introduction Artificial intelligence, machine learning and neural networks are continuously in the news. Beyond self-driving cars and movie recommendations, AI is used in an increasingly broad set of applications. For example: Fraud litigation prediction Predicting whether construction projects will go wrong Cyber-forensics Radiology research using image … [Read more...] about Artificial Intelligence (AI) & Medical Imaging Expert Witness: Radiology’s Future

Self-Driving Cars Expert Witness: Physics Drives the Technology

By Dr. Chris Daft

Radars in cars

Introduction Self-driving cars incorporate a raft of new technologies. Among several drivers of adoption, the business models of well-funded ride-hailing services depend on rapid introduction of vehicle autonomy. In this environment, IP attorneys should expect increasing patent litigation around the enabling technology and as such may require the assistance of autonomous … [Read more...] about Self-Driving Cars Expert Witness: Physics Drives the Technology

Medical Imaging/Medical Device Patent Expert Witness: Prior art

By Dr. Chris Daft

Prior Art Illustration

Frequently in patent litigation, the outcome hinges on the quality and quantity of prior art. Research into prior art is valuable in District Court cases, those before the International Trade Commission (ITC), and at the Patent Trials and Appeals Board (PTAB). Common sources of prior art for medical imaging and medical device patent experts When faced with a case … [Read more...] about Medical Imaging/Medical Device Patent Expert Witness: Prior art

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Dr. Chris Daft

Dr Chris Daft

Dr. Chris Daft is an award winning, Oxford Educated scientist who provides technical consulting and expert witnessing services.
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