Defendant entity record

Merck & Co.

Pharmaceutical major; current defendant in the Gardasil (MDL-3036) and Zostavax (MDL-2848) vaccine litigations, and the defendant in Vioxx — the settlement that shaped the modern mass-tort playbook.

Ticker MRK (NYSE)CIK 0000310158Facts verified Jul 19, 2026

The record

Key facts

Fact 01

$4.85B — Vioxx global settlement (2007); shares rose on announcement

Source: https://www.bloomberg.com/news/articles/2007-11-09/merck-shares-rise-on-4-85-billion-vioxx-accord

Fact 02

826 / 129 — Zostavax / Gardasil pending cases per the JPML report of July 1, 2026

Source: https://www.jpml.uscourts.gov/

The entity

Record

Merck's Vioxx litigation remains a foundational case study: after withdrawing the drug in 2004, Merck initially vowed to try every case, won most early trials, then settled globally for $4.85 billion in 2007 — and its shares ROSE on the announcement, an early demonstration that markets price certainty over headline cost.

Today Merck defends two vaccine MDLs: Zostavax (MDL-2848, E.D. Pa., 826 pending cases as of July 2026, substantially reduced by dispositive rulings) and Gardasil (MDL-3036, W.D.N.C., Judge Kenneth D. Bell, 129 pending), where defense rulings have narrowed claims. Both dockets illustrate that MDL consolidation is not a verdict — defendants win these fights regularly.

All current-litigation claims remain allegations until adjudicated; the record above reflects court filings and verified reporting.

Public-record events

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Sources & attribution

Sources cited