Expert Witness Blog

MARCH 10, 2025

In the case of In re: Paraquat Products Liability Litigation , MDL No. Plaintiffs in this MDL alleged that exposure to paraquat, manufactured by Syngenta and distributed by Chevron, led to the development of Parkinson’s disease.

Witnesses 52

Witnesses Expert Testimony Admissibility Manufacturing 52

Temple University Beasley School of Law - Advocacy

NOVEMBER 9, 2023

Through litigation spearheaded by the Innocence Project, a new trial was recently ordered. T]here are no scientific principles underlying or supporting Agent O’Neill’s opinions that would render such testimony reliable and admissible…” People v. Genrich, ORDER, July 7, 2023.

Evidence 40

Evidence Admissibility Manufacturing Litigation 40

Evidence at Trial

NOVEMBER 27, 2021

Talcum powder is a talc-based cosmetic product, and it is manufactured by a milling process in which large pieces of talc ore are crushed and pulverized into fine-grained powder. With respect to opinion number 7, Dr. Longo had presented these test results through testimony and expert reports in other asbestos litigation against J&J.

Evidence 52

Evidence Witnesses Jury Instructions Objections 52