Podcast: Don't Just Say It – Show It
Podcast - Expert Witnesses, Special Issues
Podcast - Direct Examination of Expert Witnesses
Chemical Engineering Expert Witness Experience & Discovery – IMS Insights Podcast Episode 48
Podcast: Science in the Courtroom
Bar Exam Toolbox Podcast Episode 159: Listen and Learn -- Evidence: Expert vs. Lay Witness Testimony
Podcast: What Witness Preparation Means
Podcast: Seven Witness Preparation Mistakes Lawyers Make
Podcast: Raise Your Right Hand, Miss Lillian
Jones Day Talks Intellectual Property: Blurrier Lines and Narrow Grounds—Implications of the Ninth Circuit’s Blurred Lines Decision
Episode 015: Confessions of a Business Appraiser: A Conversation with Chris Mercer
Inter Partes Review: Validity Before the PTAB
Supreme Court Raises the Bar for Class Certification in Comcast Corp. v. Behrend
Plaintiffs in toxic tort cases must prove both general and specific causation, generally through the testimony of experts. Experts must establish that a specific chemical exposure can (and did) cause the specific injury at...more
The evidentiary burden on plaintiffs to have a case certified—i.e., the “some basis in fact” standard—has been described as a “low bar” in countless cases. Plaintiffs cite the “low bar” in trying to certify their cases, and...more
In Wang v. Maserati N. Am., Inc., C.A. No. 23-2402, 2025 U.S. Dist. LEXIS 61446, the United States District Court for the District of New Jersey (District Court) considered the admissibility of the opinions of plaintiffs’...more
Jurisdiction: United States District Court for the Southern District of New York - Plaintiff Scott Keller alleged that he was exposed to asbestos during his employment on ExxonMobil Oil Company vessels and that he developed...more
Amidst mounting per- and polyfluoroalkyl substances (PFAS) regulation and litigation, the Multidistrict Litigation (MDL) judge overseeing the federal litigation related to firefighting foam has scheduled a “Science Day.”...more
Recently, the New Jersey Appellate Division, in Dorrell v. Woodruff Energy, Inc., vacated a 2018 judgment against Chevron U.S.A., Inc. (“Chevron”) that had found Chevron liable for gasoline contamination. More specifically,...more
In a toxic tort case, plaintiffs must establish general causation. If a substance is incapable of causing the type of injury plaintiff claims, then it certainly didn’t cause theirs. Under Texas law, toxic tort plaintiffs must...more
In Perkins v. United States, Plaintiff Tristan Perkins sued the United States under the Federal Tort Claims Act (“FTCA”) for her mother Geraldine Perkins’ (“Decedent”) alleged wrongful death due to asbestos exposure. Alleging...more
Federal Rule of Civil Procedure 26(a)(2) requires parties to disclose the opinions of experts who may present evidence at trial. If the disclosures are inadequate, Rule 37(c) requires exclusion of the opinions “unless the...more
A picture may be worth a thousand words, but that doesn’t make the camera an expert witness. Product liability actions usually require expert testimony to prove defect and causation. Pictures, like other documents, can be...more
As we reported in April, the United States Court of Appeals for the Ninth Circuit certified a question on California’s Learned Intermediary Doctrine in Himes v. Somatics, LLC, 2022 WL 989469 (9th Cir. Apr. 1, 2022). The...more
Employers litigating cases in California courts face many obstacles. Summary judgment has become increasingly difficult for employers. Criminal cases take precedent and often cause trial postponements, resulting in civil...more
On July 17, 2023, California Governor Gavin Newsom signed Senate Bill (SB) No. 652, adding Section 801.1 to the California Evidence Code. This section provides additional requirements for expert opinions relating to medical...more
Harris Beach attorneys Abbie Eliasberg Fuchs, Bradley M. Wanner and Daniel R. Strecker review and analyze key judicial holdings and legal developments in New York, the federal arena and across the country that have affected...more
Peer-reviewed literature can be a powerful tool in attacking an opposing expert’s opinions. A solid, on-point article can do more than merely satisfy several of the so-called Daubert factors for assessing reliability – by...more
There are few legal phrases more fun to say than “ipse dixit.” The phrase is most commonly used in motions to exclude experts who base their opinions on nothing more than their own say so...more
In personal injury and wrongful death cases, the plaintiff bears the burden of proving medical causation, which almost universally requires testimony from a competent expert. Some plaintiffs offer testimony from forensic...more
Early last year, the In re: Incretin-Based Therapies MDL court held that the plaintiffs’ warnings claims were preempted, excluded plaintiffs’ general causation experts, and granted summary judgment to all defendants on dual...more
ase In the wake of March Madness, it is only appropriate to call attention to an opinion laced with pithy basketball puns. In Nachimovsky v. Nike, Inc. et al., 2022 WL 943421 (E.D.N.Y. Mar. 29, 2022), Plaintiff injured his...more
While we all rely on Google or other internet search engines to find and absorb information quickly these days, a recent decision in the Central District of Illinois highlights the problems for expert witnesses relying on...more
There has been much discussion recently about how Rule 702 is in need of a tune-up to better guide district courts’ gatekeeping. More about that soon. But a case now pending before the Supreme Court, Monsanto Company v....more
The Aftermath of Marsh - When the Marsh case was decided in 2007 its broad interpretation of the “pure opinion exception” and narrow vision of the role of Frye took Florida expert evidence admissibility law well out of the...more
In an unusual turn of events, U.S. District Judge Cynthia Rufe recently granted defendants’ motion for summary judgment as to over 300 cases in the Zoloft MDL. These cases were consolidated in 2012 and involved allegations...more
Underscoring the importance of the distinction between a product and its component parts, a federal court in Louisiana refused to allow expert testimony that exposure to gasoline caused acute myeloid leukemia (“AML”) in a...more
Causation is the crux of any toxic tort litigation. The Court of Appeals’ recent decision in Cornell v. 360 West 51st Street Realty, LLC, No. 16 (N.Y. Mar. 27, 2014) underscores that principle and revisits the causation...more