Category: Expert Challenges
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Psychology Expert Witness’ Behavioral Analysis Based on General Cognitive Model Rejected
Plaintiff Matthew Alan Hearn brought certain claims against the Defendants City of Bakersfield, police detective Christian Walter Hernandez V, police sergeant Nathan A. Anderberg, and probation officer S. Jauch, collectively “City Defendants,” and County of Kern, collectively “County Defendants”. He based these claims on their actions during a law enforcement encounter on September 27, 2020,…
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Social Work Expert Witness’ Testimony Explaining the Dynamics of Domestic Violence Admitted
Defendant Michael Johnson is charged with the following: unlawful imprisonment, assault of a domestic partner by strangulation and suffocation, interstate domestic violence, witness tampering, and assault. Johnson claimed that the Government has not filed a notice to call Holly Rosen, provided her curriculum vitae, a statement of her expected testimony, or the basis and methodology…
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Testimony of Physical Medicine & Rehabilitation Expert Witness Concerning Plaintiff’s Life Care Plan Is Not Entirely Based on Speculation
Plaintiff Towanda R. Futrell filed this personal injury action on August 28, 2023. The action arises from a motor vehicle accident on Interstate 64 on December 16, 2022, when a tractor-trailer owned by AV Leasing, LLC, leased by Triton Logistics, Inc., and driven by Daniel Cramer, collided with a bus on which Futrell was a…
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Intellectual Property Expert Witness’ Testimony Admitted Because it Does Not Invoke the Entire Market Value Rule
Plaintiff Wireless Alliance, LLC (“Plaintiff” or “Wireless Alliance”) brought allegations against Defendants AT&T Mobility LLC, AT&T Services, Inc., and AT&T Corp. (“Defendants” or “AT&T”). Wireless Alliance asserted that AT&T infringed on several United States patents concerning enhancements to cellular networking systems. The patents in question include United States Patent No. 9,144,106 (the “‘106 patent”), Patent…
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Law Enforcement Expert Witness’ Disclosure Held to be Inadequate
This case deals with the indictment of Derik Carothers. He is charged with three offenses. At Count One, the grand jury charged him with conspiracy to distribute and possess with intent to distribute a quantity of cocaine base, in the form commonly known as crack, a Schedule II controlled substance. At Count Two, the grand…
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Economics Expert Witness’ Testimony Limited Because His Zero Damages Opinion is Irrelevant
Plaintiff I-Mab Biopharma (“I-Mab” or “Plaintiff”) brought trade secret misappropriation claims against Defendants Inhibrx, Inc. (“Inhibrx”) and Brendan Eckelman (“Dr. Eckelman” and collectively with Inhibrx, “Defendants”). Plaintiff asserted that Defendants misappropriated nine trade secrets (that correspond to molecules designed to treat cancer) that are referred to herein as Trade Secret 1, Trade Secret 2, Trade…
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Environmental Engineering Expert Witness’ Testimony on Toxic Chemical Exposure Admitted
Over sixty Plaintiffs alleged that Defendant Lockheed Martin Corporation’s weapons manufacturing facility in Orlando released toxic chemicals that contaminated the air, soil, and groundwater, leading to various injuries among the Plaintiffs. The instant case formed a part of a group of related toxic tort cases. Following a complex history during the dispositive motion stage, the…
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Telecommunications Expert Witness’ Opinions Regarding 3GPP Availability Admitted
Plaintiff Wireless Alliance, LLC (“Plaintiff” or “Wireless Alliance”) made certain allegations Defendants AT&T Mobility LLC, AT&T Services, Inc., and AT&T Corp. (“Defendants” or “AT&T”). According to Wireless Alliance, AT&T infringed the following United States patents that relate to improvements to cellular networking systems: United States Patent No. 9,144,106 (the “’106 patent”), 9,565,662 (the “’662 patent”)…
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Statistics Expert Witness’ Damages Calculation Limited Because She Included Extended Gap Periods in Her Analysis
Defendant, New Prime, Inc., is a commercial trucking company, and its drivers are required to have a Commercial Driver’s License (“CDL”). It designates its CDL-licensed drivers as A seat, B seat, and C seat. B and C seat drivers are paired with an A seat driver until they attain enough experience to be an A…
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Construction Expert Witness’ Damages Analysis Admitted Despite Late Disclosure
This case stems from a 2022 subcontract between HBonilla (Plaintiff) and Defendant Ragle, Inc. (“Ragle”) for HBonilla to perform work for the City of Dallas. In 2023, Ragle claims it discovered that HBonilla had been overbilling for its work. After a dispute, HBonilla stopped working on the project and filed a lawsuit against Ragle and…
