Tag: Expert Testimony
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Accounting Expert’s Testimony on Due Diligence Limited
Plaintiffs Sabby Volatility Warrant Master Fund Ltd. (“Sabby”), SZOP Multistrat LP (“SZOP”), Alto Opportunity Master Fund SPC Segregated Master Portfolio B (“Alto”), and Hudson Bay Master Fund Ltd. (“Hudson Bay”), purchasers of common stock of Quanergy Systems, Inc. (“Quanergy”) in a public offering that closed on November 2, 2022 (the “Offering”), brought suit against Defendants…
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Construction Expert’s Opinions on Typical Overhead and Profit Margins Admitted
This litigation arises from hail damage to a hotel owned by Defendants, Merryton Bossier, LLC, Grace Chiao, and Hui Ping Lee (collectively, “Merryton”) in Bossier City, Louisiana, in 2020. Merryton engaged Stonewater Roofing LTD. Co., LLC to perform roof repairs, contingent upon insurance approval by Scottsdale Insurance Company (“Scottsdale”). After appraisers assessed the damage, Scottsdale…
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Compliance Expert Was Allowed to Opine on Amazon Policy
ZAGG initiated this action against DVG, TX Trading Inc. (“TX Trading”), and Menachem Mendel Ichilevici (“Ichilevici”) (collectively, “Defendants”), alter egos collectively doing business as Amazon Seller “Mac N’ Cheese,” violated Sections 32 and 43 of the Lanham Act, 15 U.S.C. §§ 1114, 1125(a), by infringing on ZAGG’s trademarks and falsely advertising ZAGG products. Plaintiff, ZAGG,…
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Economics Expert Was Allowed to Opine on Recidivism
Plaintiff John Doe brought facial and as-applied constitutional challenges to the reporting requirements contained in Arizona’s sex offender registry statutes. Under Arizona’s statutory scheme, Doe is required to register as asex offender for life. Intervenor-Defendants Warren Petersen and Ben Toma retained Dr. John Lott as an expert witness. Plaintiff filed a motion to exclude the…
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Infectious Disease Expert Was Allowed to Opine on Masking and Testing
Eight former Redmond firefighters sued the City of Redmond (“City”) after being terminated for refusing COVID-19 vaccinations on religious grounds. They argued the City should have let them continue working with masking and testing rather than requiring vaccination. Plaintiffs filed a Daubert motion to exclude the testimony of the City’s expert, Dr. John Lynch. Infectious…
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Political Science Expert Was Allowed to Opine on Paraguay’s Legal System
On September 12, 2025, Maik Evert Ens Loblein (“Petitioner”) filed the Petition for the Return of Children to Paraguay pursuant to the Hague Convention. The Petition asserted that Roxana Andrea Alcaraz de Ens (“Respondent”) unlawfully retained in the United States two children who habitually reside in Paraguay. On September 15, 2025, Petitioner filed an Amended…
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Preventive Medicine Expert Was Allowed to Opine on the Clinical and Operational Duties
On January 28, 2021, Demetrius Nichols died while incarcerated at Menard Correctional Center. Plaintiff Diane Jones, Administrator of the Estate of Demetrius Nichols, filed this action against Wexford Health Sources, Inc., Dr. Mohammed Siddique, Ali Dearmond, NP, and Dr. Stephen Ritz, asserting wrongful death. Plaintiff retained Ryan D. Herrington, M.D., MPH to support her claims.…
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Infectious Disease Expert Was Allowed to Opine on the Lack of Severe Lung Damage
Roy Edward Ates, Jr., is a federal prisoner. He alleged that prison officials’ negligence caused him to become infected with COVID and that prison personnel were negligent in providing him medical treatment thereafter. Defendant retained Dr. Alysse Wurcel as an expert witness. She has assisted Massachusetts sheriffs in their response to COVID beginning in March…
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Engineering Expert Was Allowed to Opine on the Ruptured Pipe
Plaintiffs, BME Fire Trucks LLC (“BME”) and 223 Roedel Avenue LLC’s (“Roedel”), brought this action against their insurer, Defendant The Cincinnati Casualty Company (“Cincinnati”), seeking damages caused by a ruptured natural gas pipeline. On October 31, 2022, BME submitted a claim to Cincinnati, and Cincinnati retained Brian Hansen of Northwest Investigative Engineering to inspect the…
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Economics Expert Was Allowed to Opine on Assisted Living Facility Administration Issues
Plaintiffs are the estates of three decedents, Robert W. Petersen (“Mr. Petersen”), Mary Ann Simons, (“Ms. Simons”) and Charlotte Elaine Guilford (“Ms. Guilford”) (collectively, “Plaintiffs”). Plaintiffs were residents of Canyon Creek, an assisted living facility in Billings, Montana specializing in memory care, during the height of the COVID-19 pandemic in 2020. Plaintiffs alleged that Canyon…
