Photo of Bexis

The Blog has written about a J&J subsidiary’s litigation against the other side’s junk-science talc “experts” on several occasions.  Recently, however, those experts managed to obtain summary judgment against the trade libel action brought by the subsidiary over the expert’s blatantly false “scientific” article about talc.  Pecos River Talc LLC v. Emory, 2026…

Photo of Eric Hudson

Today’s post is from the Zimmer hip prothesis MDL, which appears to be winding down and which we’ve blogged about here. It’s a Rule 702 decision that excluded a treating surgeon who offered unsupported expert opinions about an alleged product defect. In re: Zimmer M/L Taper Hip Prosthesis Prods. Liab. Litig., 2026 WL…

Photo of Eric Alexander

As we have said before, the Blog is unabashedly pro-science.  There is a difference between good science and bad science, and reliance on the latter to make any important decision—be it in everyday life, litigation, or public policy—is not smart.  We are also unabashedly in favor of strict application of the Rules of Evidence…

Photo of Eric Hudson

This post is not from the Reed Smith or Dechert sides of the blog.

We previously posted about the Delaware Supreme Court’s ruling that proper application of Delaware Rule 702 required the exclusion of plaintiffs’ general causation experts in the Zantac litigation. Since then, we’ve been waiting for the other shoe to drop.  Last week, it dropped with a resounding boom. Today’s decision applied the Delaware Supreme Court’s ruling and dismissed over 80,000 cases. In re Zantac (Ranitidine) Litig., No. N22C-090101, 2026 WL 1009008 (Del. Super. Apr. 14, 2026).

The decision focuses on the question of which plaintiffs are bound by the exclusion of the plaintiffs’ general causation experts. The court denied plaintiffs leave to supplement their expert reports on December 1, 2025, and the defense argued that all plaintiffs with cases filed before December 1, 2025, are bound by the ruling. Recognizing that the litigation was about to be eviscerated, plaintiffs made a number of desperate arguments.

Continue Reading No Mulligans in Delaware – Exclusion of Plaintiffs’ General Causation Experts Results in Dismissal of 80,000 Zantac Cases