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Expert Witness Blog

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Intangible Assets Appraisal Expert Witness Testimony Shapes Patent Valuation Dispute: A Case Study in R. M. Smith, Inc. v. Commissioner

In the landmark tax dispute of R. M. Smith, Inc. v. Commissioner of Internal Revenue, 591 F.2d 248 (2d Cir. 1979), the court’s determination of the fair market value of patents and inventions hinged on the testimony of an Intangible Assets Appraisal Expert Witness. This case provides a compelling illustration…

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Industrial Medicine Expert Witness Testimony Shapes Liability in Renaissance Medical Foundation v. Lugo

In the recent Texas Supreme Court case Renaissance Medical Foundation v. Lugo, Supreme Court of Texas 2025, the role of the Industrial Medicine Expert Witness was pivotal in evaluating the standards of care, causation, and institutional liability in a complex medical negligence action. Background and Facts Rebecca Lugo’s daughter underwent…

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Call Centers Expert Witness Testimony Shapes Outcome in Rojas v. HSBC Card Services Privacy Dispute

In the recent case of Rojas v. HSBC Card Services Inc., 2023, the role of a Call Centers Expert Witness was pivotal in evaluating claims under California’s Privacy Act. This case demonstrates the increasing importance of expert testimony in disputes involving call center operations, consent, and the recording of confidential…

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Packaging Expert Witness Testimony Under Scrutiny: Lessons from Sardis v. Overhead Door Corp. Expert Witness Litigation

In the recent case of Sardis v. Overhead Door Corp., No. 20-1411 (4th Cir. 2021), the role and reliability of a Packaging Expert Witness were central to the litigation and appellate review. This case provides a compelling illustration of the standards governing expert testimony in federal courts, particularly under Daubert,…

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Construction Damages Expert Witness Testimony Shapes Outcome in School District v. Grosshans & Petersen

In the pivotal case of SCHOOL DISTRICT NO. 162 v. Grosshans & Petersen, Inc., Nebraska Supreme Court 1959, the role of the Construction Damages Expert Witness was central to the court’s determination of liability and damages arising from alleged construction-related harm to a school building. Background and Parties The plaintiff,…

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Courtroom Showdown: Stocks & Bonds Expert Witness Testimony Shapes SEC Fraud Case Outcome

In the recent case of Securities and Exchange Commission v. Jacobson et al, No. 2:2023cv05650 (E.D. La. 2025), the role of the Stocks & Bonds Expert Witness was pivotal in the adjudication of complex securities fraud allegations brought by the Securities and Exchange Commission (SEC) against multiple defendants. This case…

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Securities Expert Witness Testimony Excluded in Major Cryptocurrency Fraud Case

The Southern District of New York delivered a significant ruling on expert witness testimony in Securities and Exchange Commission v. Terraform Labs Pte Ltd. et al, No. 1:2023cv01346, a high-profile cryptocurrency securities fraud case that proceeded to trial in January 2024. The court’s comprehensive analysis of expert witness admissibility provides…

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Emergency Medical Services Expert Witness Testimony Scrutinized in Smith v. Medical Center East: A Critical Analysis of Expert Witness Standards

In the landmark case of Smith v. Medical Center East, Supreme Court of Alabama 1991, the role and admissibility of an Emergency Medical Services Expert Witness became central to the court’s analysis of alleged medical negligence and causation in the context of emergency trauma care and inter-hospital transfer protocols. Background…

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Contract Manufacturing Expert Witness Testimony Shapes Outcome in Sonic Mfg. Tech. v. AAE Systems

In the recent appellate decision of Sonic Mfg. Tech. v. AAE Systems, California Court of Appeal 2011, the role of a Contract Manufacturing Expert Witness was pivotal in resolving a complex dispute over payment obligations and industry practices in contract manufacturing. Background and Facts Sonic Manufacturing Technologies, Inc. (“Sonic”) and…

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Machinery & Equipment Appraisal Expert Witness Testimony Central to Eminent Domain Dispute: A Case Analysis

In the eminent domain case of State v. Northeast Building Company, 421 S.W.2d 297 (Mo. 1967), the Missouri Supreme Court addressed the pivotal role of a Machinery & Equipment Appraisal Expert Witness in determining just compensation for property condemned by the State Highway Commission. Background and Parties The State Highway…

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