J&J Talc Suits Show Evidence Standards Vary Among Courts A New Jersey judge tossed two talc powder suits against J&J, in contrast to two Missouri jury verdicts finding J&J liable. The judge found gaps in the plaintiffs' expert testimony and their failure to explain how talc causes cancer. However, different courts take varying approaches to scientific evidence, with some more lenient than others. While science should provide consistent answers, court standards and interpretations can differ across jurisdictions.