Expert Witness Blog

Summary: Endocrinology Expert Witness not allowed to provide testimony as the defendant argued that the expert’s opinion that soy causes hypothyroidism has not been validated or tested.

Facts:  This case (LOVERDI et al v. MEDIFAST, INC. et al – United States District Court – Eastern District of Pennsylvania – May 15th, 2019) involves a products liability claim.  The plaintiff claims that she developed hypothyroidism from ingesting soy-based dietary products that are manufactured, marketed, and sold by the defendant.  In order to prove her claim, the plaintiff has hired Jonathan Williams, M.D., M.MSc (Endocrinology Expert Witness) to provide testimony.  The defendant has filed a motion to exclude this expert from testifying.

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Summary:  Electrical Engineering Expert Witness allowed to testify even though the defendant argued that his testimony was speculation because he did not perform tests on the aquarium motor, which he alleges caused the fire.

Facts:  This case (Scicchitano Smith et al v. SPECTRUM BRANDS, INC. et al – United States District Court – Eastern District of Pennsylvania – August 10, 2022) involves a negligence claim.  The plaintiffs, Jeanette Scicchitano Smith and Alexander Smith, sued Spectrum Brands, alleging that an aquarium kit, purchased from the defendant, was defective and caused a fire in their home.  To assist in their case, the Smiths hired Electrical Engineering Expert Witness Christoph Flaherty to provide expert witness testimony.  The defendant filed a motion to exclude this expert from testifying.

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Summary:  Physical Medicine & Rehabilitation Expert Witness allowed to testify in automobile collision lawsuit even though the plaintiff argued that the expert shouldn’t be allowed to testify because he is not a surgeon.

Facts:  This case (KA WAI JIMMY LO, Plaintiff, v. UNITED STATES OF AMERICA – United States District Court – Western District of Washington – April 5th, 2022) involves an accident involving the plaintiff and a United States Postal Service employee.  After exhausting his administrative claims, the plaintiff filed suit in this court.  In 0rder to prove his case, the defendant hired Physical Medicine & Rehabilitation Expert Witness Dr. Edward Dagher to provide expert witness testimony.  The plaintiff has filed a motion to exclude Dr. Dagher from testifying.

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Summary:  Bus & Truck Safety/Accident Expert Witness testimony is allowed because the court determined that the expert is qualified to offer an opinion on whether the FMCSR applies to the driver of the truck.

Facts:  This case (Brown v. M and N Eaves et al – United States District Court – Eastern District of Texas – December 19, 2022) involves a car accident with a commercial vehicle.  The plaintiff, Lisa Brown, alleges that the defendant should be liable for negligent entrustment, and negligent supervision, retention, and training.  The plaintiff hired Bus & Truck Safety/Accident Expert Witness Roger Allen to provide expert witness testimony.  The defendant filed a motion to exclude this expert from testifying.

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Summary: Accident Reconstruction Expert Witness testimony allowed because the court concluded that his use of simulations was reliable and helpful to the jury.

Facts:  This case (Abbott et al v. Mega Trucking, LLC et al – United States District Court – Middle District of Alabama – March 24, 2023) involves a personal liability claim resulting from a crash between two tractor-trailers.  The plaintiff, Touri Abbott, alleges that Patrice Lumumba Morgan did not yield the right of way and is seeking recovery under numerous bases including negligence and wantonness.  The plaintiff hired three experts to prove her case, including Accident Reconstruction Expert Witness William F. Messerschmidt.  The defendants filed a motion to exclude the expert witness testimony of these experts, including Mr Messerschmidt.

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Summary: Education & Schools Expert Witness testimony is granted in part and denied in part despite the fact that the plaintiff argued that her expert opinion on Title IX is not a proper subject of expert testimony.

Facts: This case (Pogorzelska v. VanderCook College of Music – United States District Court – Northern District of Illinois – June 5th, 2023) involves a Title IX claim against a college. The plaintiff, Erika Pogorzelska, alleges she was sexually assaulted at an off-campus party when she was attending school at the defendant college. The plaintiff claims that the defendant did not address her allegations of sexual assault and harassment, and then retaliated against her, which is in violation of Title IX of federal education law. The defendant hired Education & Schools Expert Witness Sandra Schuster to provide an expert opinion. The plaintiff subsequently filed a motion to exclude Schuster’s expert witness testimony.

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Summary: Software Engineering Expert Witness testimony not allowed even though the United States alleged that they provided more expert witness information in discovery.

Facts: This case (United States of America v. Minkkinen et al – United States District Court – Southern District of West Virginia – June 26, 2023) involves a federal criminal indictment related to the theft of trader secrets by former employees of Deloitte. The United States Government alleges that the defendants copied and downloaded numerous pieces of proprietary information and utilized that information during their employment at a competitor.   To support its case, the government hired Software Engineering Expert Witness Walter Overby to provide expert witness testimony.  The defendants filed a motion to exclude Mr. Overby from testifying.

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Summary: Jails & Prisons Expert Witness testimony allowed as the plaintiff did not cite to caselaw regarding his argument that the expert works for the defendant and his opinion should be excluded.

Facts:  This case (Romero v. CORE CIVIC, INC – United States District Court – District of New Mexico – September 28, 2023) involves a breach of duty and constitutional rights against a prisoner in a private detention center.  The plaintiff, Ruben Romero, claims that the defendants placed him a unit with violent men, who beat him and left him unconscious.  The plaintiff also alleges that nobody came to his aid for half an hour. The defendant hired Jails & Prisons Expert Witness Charles Keeton to provide expert witness testimony.  The plaintiff filed a motion to exclude Mr. Keeton’s testimony.

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Summary: Marketing Expert Witness testimony allowed even though the plaintiff argued that the expert did not employ any methodology to his marketing opinion.

Facts: This case (United States v. Runner – United States District Court – Eastern District of New York – May 30, 2023) involves a government claim against the defendant related to a mail order psychic services scheme. The defendant was charged on October 18, 2018 with conspiracy to commit mail and wire fraud as well as conspiracy to commit money laundering.  The Government claims that Patrice Runner told her clients that they would receive personalized psychic services from popular psychics in exchange for money.  The defendant hired Marketing Expert Witness David Gal to provide expert testimony. The Government filed a motion to exclude this expert from testifying.

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Summary: Life Care Planning Expert Witness testimony not allowed because the expert did not have a medical endorsement from a qualified medical expert.

Facts:  This case (Norman v. Leonard’s Express, Inc. – United States District Court – Western District of Virginia – April 21, 2023) involves a motor vehicle accident between Yvette Norman (the plaintiff) and Julian J. Kaczor, the operator of a semitruck owned by Leonard’s Express, Inc (the defendant).  The plaintiff filed a motion to exclude the expert witness testimony of Life Care Planning Expert Witness Shelby Dubato.

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