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Expert Testimony Causation Expert Witness

Faegre Drinker Biddle & Reath LLP

Plaintiffs’ Second Bite at the General Causation Apple Fares No Better Than the First in Acetaminophen MDL

In December 2023, back when the ink was still drying on the amendments to Federal Rule of Evidence 702, the Southern District of New York excluded all five general causation experts proffered by plaintiffs in the In re...more

Marshall Dennehey

Limiting the Opinions of Plaintiff’s Non-Retained Expert Witnesses Regarding Injury Causation and Permanency

Marshall Dennehey on

Key Points: Plaintiff’s non-retained experts are treating physicians, and their testimony at trial should be limited to their scope of treatment, diagnosis, and prognosis with respect to the injuries alleged....more

Haight Brown & Bonesteel LLP

New Law Raises Standard for Defense Experts as to Medical Causation

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

Faegre Drinker Biddle & Reath LLP

The Zantac Rule 702 Order: TLBR (Too Long, But Read)

On opening an opinion, lawyers habitually roll their eyes when they see a table of contents. Even more so when they learn the opinion is over 300 pages. The MDL order granting defense motions to exclude experts and for...more

Faegre Drinker Biddle & Reath LLP

Experts’ Disagreement with Medical Literature Leads to Exclusion

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

Faegre Drinker Biddle & Reath LLP

Let Me Google That for You: A Recent Central District of Illinois Opinion Highlights the Limits of Googling by Expert Witnesses...

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

Butler Snow LLP

Pro Te: Solutio – Vol. 11, No. 4

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Fall has descended upon us, along with that nip in the air and the aroma of pumpkin spice. All of these herald our latest edition of Pro Te: Solutio, which contains three fascinating articles on topics of current interest in...more

Husch Blackwell LLP

Missouri’s Recent Take On The Cumulative Expert Standard

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Recently, the Missouri Supreme Court in Shallow v. Follwell affirmed its permissive view of cumulative standard for experts. No. SC 96901 (Mo. Sept. 11, 2018). Put simply, a Missouri court will not exclude multiple experts...more

Harris Beach PLLC

Significant New York Drug and Device 2017 Product Liability Decisions

Harris Beach PLLC on

To prepare the best product liability defense for pharmaceuticals and medical devices as well as anticipate and strategically plan for future challenges in the medical and life sciences legal world, it is often helpful to...more

Clark Hill PLC

Texas Supreme Court Clarifies When an Expert Opinion is Conclusory

Clark Hill PLC on

Conclusory opinions, especially by experts, constitute no evidence. Two recent opinions from the Texas Supreme Court explain when an expert opinion is conclusory....more

Haight Brown & Bonesteel LLP

Statutory Violation Does Not Establish Causation in Wrongful Death Action

In Anthony Toste v. CalPortland Construction, et al. (No. B256946, filed 3/2/16), the California Court of Appeal for the Second Appellate District affirmed the power of the jury to determine causation as an issue of fact in a...more

Carlton Fields

What Exactly Was Excluded? Proffering Expert Opinions to Preserve Daubert/Frye Challenges

Carlton Fields on

Most practitioners would agree that, if the court excludes an expert based on a Daubert challenge—and that is the only expert opining on a subject—then in most instances there should be no need to proffer the expert’s...more

Carlton Fields

Correlation Is Not Causation: Class Certification Denied Because Experts’ Methodologies Fail To Show Predominate Antitrust Injury...

Carlton Fields on

A California federal district court denied certification of two nationwide classes, each asserting a price-fixing conspiracy for optical disk drives (“ODD”), because the plaintiffs’ experts failed to provide a viable...more

Bradley Arant Boult Cummings LLP

Eleventh Circuit Refuses to Credit Expert’s Guess on Causation

The U.S. Court of Appeals for the Eleventh Circuit has issued an important decision on expert testimony, Hughes v. Kia Motors. Patricia Hughes filed a wrongful death action against Kia Motors after her daughter,...more

Carlton Fields

Causation Experts Properly Excluded Where The “Leap From Data To Opinion Was Too Great”

Carlton Fields on

In Hughes v. Kia Motors Corp., No. 13-10922, the Eleventh Circuit recently affirmed the district court’s exclusion of the plaintiff’s expert witness in a motor vehicle product liability case. Allene Hughes, the plaintiff’s...more

Bond Schoeneck & King PLLC

Toxic Tort and Environmental Litigation: Court of Appeals Revisits and Clarifies Causation Requirements for Expert Opinions

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

Foley Hoag LLP - Environmental Law

Differentiating Between Junk Science and Admissible Expert Opinion in Pennsylvania

In environmental personal injury cases, proof of causation is key and that causation almost always hinges on expert opinion. A recent appellate decision in Pennsylvania in Snizavich v. Rohm and Haas Company provides useful...more

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