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 […]
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Voice biometrics expert witness: signal processing enables new forms of identity verification
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 […]
Remote source code review expert witness: options for attorneys
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 […]
Finite Element Analysis expert witness: making complex issues clear
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 […]
Behavioral biometrics expert witness: identity from motion
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 […]