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

Expert Witness

What level of experience is required for expert testimony?

By Dr. Chris Daft

Wassermann, Eric. Transcranial Brain Stimulation. Behavioral Neurology Unit. National Institute of Neurological Disorders and Stroke

Transcranial Magnetic Stimulation (TMS) is a non-drug treatment for illnesses like depression which is gaining clinical adoption after FDA clearance of new protocols such as SAINT. Brain Frequency LLC and Wave Neuroscience Inc. both offer types of personalized TMS involving a pre-procedure electroencephalogram (EEG) assessment. In recent Western District of Texas patent litigation between these […]

Transducer Technology and Related Litigation

By Dr. Chris Daft

Silicon Transducer

Introduction In the ever-evolving landscape of medical device technology, transducers play a pivotal role in bridging the gap between electronic signals and the physical world. In my work as an expert witness specializing in medical devices, signal processing, semiconductors, and MEMS, I’ve observed the increasing importance of transducers in both technological advancements and patent litigation. […]

New ruling on expert qualification in patent cases

By Dr. Chris Daft

CAFC

In a recent decision, the Federal Circuit provided guidance on the qualification of expert witnesses in #patent cases. The case in question centered on a challenge to the plaintiff’s technical expert. Defense counsel argued that the expert lacked specific experience in diagnostic imaging at the time of the alleged invention. They attempted to differentiate this […]

Expert Witnessing on Voice Biometrics in Patent Litigation

By Dr. Chris Daft

Voice Biometrics

Introduction Biometrics – the automated recognition of a person based on a physiological or behavioral characteristic – serves an important role. Photo ID cards, smart cards, magnetic stripe cards, and physical keys can be lost, stolen, duplicated, or left at home. Passwords can be shared, forgotten, or observed. If well implemented, biometric identification can provide […]

Changes to admissibility criteria for expert testimony

By Dr. Chris Daft

Federal Rules of Evidence book. Source: https://www.gulfcoastlegalpublishing.com/federal-law-books/federal-rules-of-evidence-and-civil-procedure/

The changes to Federal Rules of Evidence 702, now six months old, have brought significant impacts on expert testimony admissibility. In this article, Daniel Callaway and Tim Horgan-Kobelski of FBM analyze the effects so far. As highlighted by the authors, the consequences of a successful Daubert motion can be pivotal in shaping the course of […]

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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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