In the case of Food & Water Watch, Inc. et al. v. U.S. Environmental Protection Agency, No. 3:17-cv-02162-EMC (N.D. Cal. 2024), the United States District Court for the Northern District of California addressed a significant environmental health dispute concerning the fluoridation of public drinking water. The plaintiffs alleged that the…
In the case of Burke v. Glanz, No. 4:11-CV-00720-JED-PJC (N.D. Okla. 2017), the United States District Court for the Northern District of Oklahoma addressed a wrongful death lawsuit concerning the 2011 death of Elliott Williams in the Tulsa County Jail. The testimony of expert witnesses was pivotal in establishing the…
In the case of Philmar Dairy, LLC et al. v. Armstrong Farms et al., No. 2:18-cv-00530 (D.N.M. July 12, 2019), the United States District Court for the District of New Mexico addressed the admissibility of expert testimony from a Weather & Meteorology Expert Witness in a contractual dispute involving the…
In the case of Diaz v. United States, No. 21-14, 602 U.S. ____ (2024), the U.S. Supreme Court addressed the admissibility of expert testimony concerning a defendant’s mental state in criminal proceedings. While the case did not specifically involve a Visibility Expert Witness, it has significant implications for the scope…
In the case of Mace v. AAA Cooper Transportation, No. 23-2341 (La. Ct. App. 2023), the Louisiana Court of Appeal addressed the critical role of expert testimony in a vehicular accident involving a passenger car and a commercial truck. The involvement of a Traffic/Highway Safety Expert Witness was central to…
In the case of Grajeda v. Vail Resorts Inc., No. 2:20-cv-00165 (D. Vt. Mar. 23, 2023), the United States District Court for the District of Vermont addressed the admissibility of expert testimony in a negligence lawsuit stemming from a skiing accident. The involvement of a Skiing & Snowboarding Expert Witness…
In the recent case of Dynamite Marketing, Inc. v. The WowLine, Inc., No. 24-1523 (Fed. Cir. 2025), the United States Court of Appeals for the Federal Circuit addressed the admissibility and impact of testimony from a Marketing Expert Witness in a complex patent infringement litigation. The case provides a clear…
In the case of In re: Paraquat Products Liability Litigation, MDL No. 3004 (S.D. Ill. 2024), the United States District Court for the Southern District of Illinois addressed the admissibility of expert testimony in a multidistrict litigation (MDL) concerning allegations that exposure to the herbicide paraquat caused plaintiffs to develop…
n the case of Marimuthu v. Signal International, No. 1:13-cv-00498 (E.D. Tex. 2015), the United States District Court for the Eastern District of Texas addressed the admissibility of expert testimony in a lawsuit involving allegations of human trafficking and substandard living conditions. The testimony of an OSHA Expert Witness was…
In the case of Morris v. Harley-Davidson Motor Company, a jury awarded $287 million to Harold Morris, a 79-year-old Navy veteran, following a tragic accident involving a Harley-Davidson trike motorcycle. The testimony of a Motorcycles Expert Witness played a pivotal role in this litigation. Case Background In 2020, Harold Morris…