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River Sonic Solutions

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Voice biometrics expert witness: signal processing enables new forms of identity verification

By Dr. Chris Daft

voice biometrics expert witness

Defining voice biometrics Biometrics – automated recognition of a person based on a physiological or behavioral characteristic – continues to increase in importance. Smart cards, magnetic stripe cards, photo ID cards, and physical keys can be lost, stolen, duplicated, or left at home. Passwords can be forgotten, shared, or observed. But if well implemented, biometric … [Read more...] about Voice biometrics expert witness: signal processing enables new forms of identity verification

Remote source code review expert witness: options for attorneys

By Dr. Chris Daft

source code review expert witness

Introduction Often critical issues in technology litigation hinge on review of source code. In many cases, most of the value in highly litigated products lies in their software. Determining whether a product infringes a patent, or if a trade secret has been misappropriated, is increasingly a question of examining software. A previous blog post described reviewing source … [Read more...] about Remote source code review expert witness: options for attorneys

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

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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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Technical consulting and Expert Witnessing

RiverSonic Solutions
RiverSonicSolnsRiverSonic Solutions@RiverSonicSolns·
February 1, 2022

The USPTO has introduced an enhanced #patent search tool called "Patent Public Search" which looks a lot more modern than PATFT #ip https://lnkd.in/g7vG-raQ https://lnkd.in/gSMPvCV8

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RiverSonicSolnsRiverSonic Solutions@RiverSonicSolns·
October 19, 2021

Analog #AI has great potential but the tech is hard. Here is a demonstration #IC with memristors which pushes the field forward https://lnkd.in/gfBthPsx

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RiverSonicSolnsRiverSonic Solutions@RiverSonicSolns·
September 30, 2021

In #medicaldevices #IP cases, statements made to the FDA supporting regulatory clearance often become part of #litigation - this article rings true to my experience https://lnkd.in/gKiKCTss

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RiverSonicSolnsRiverSonic Solutions@RiverSonicSolns·
September 4, 2021

In an #IP case, understanding what the property is can be less than straightforward. "Nonliteral" infringement is an example of this complexity in the #software area: https://lnkd.in/gRiZjH6R

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RiverSonicSolnsRiverSonic Solutions@RiverSonicSolns·
August 27, 2021

Proposed amendments to the Federal Rules of Evidence may significantly alter admissibility of expert testimony in #litigation - here is a clear discussion: https://lnkd.in/gpG7CPN5

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