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

Expert Witnessing on Voice Biometrics in Patent Litigation

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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 a … [Read more...] about Expert Witnessing on Voice Biometrics in Patent Litigation

Changes to admissibility criteria for expert testimony

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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 a trial. In patent cases, the … [Read more...] about Changes to admissibility criteria for expert testimony

The Cybersecurity Sword Hanging Over Medical Device Manufacturers

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Introduction In September 2023, the U.S. Food and Drug Administration (FDA) issued a pivotal guidance document titled Cybersecurity in Medical Devices: Quality System Considerations and Content of Premarket Submissions. This guidance aims to bolster the cybersecurity of medical devices, thus safeguarding patients, healthcare facilities, and the broader healthcare ecosystem … [Read more...] about The Cybersecurity Sword Hanging Over Medical Device Manufacturers

Choosing an Expert Witness in an AI patent case

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This article provides context around the intense interest in intellectual property in the AI or machine learning field and considers what attorneys should look for when they need to retain an expert in this field. We previously considered the algorithm and software landscape for expert witnesses; here we look at the specifics of AI cases. AI patenting land-grab runs the gamut … [Read more...] about Choosing an Expert Witness in an AI patent case

Expert witnessing in Algorithm and Software Patent cases

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This article summarizes aspects of algorithm and software patents and suggests factors for lawyers to consider when retaining an expert in this field. Algorithms and their use in Software An algorithm is a set of mathematical instructions or rules that define a sequence of operations. Algorithms can be simple, like those that add numbers in a list, or complex, such as those … [Read more...] about Expert witnessing in Algorithm and Software Patent cases