Premarin class action suit

2001 - 2008

Our attorneys won a major victory for Wyeth when the federal district court in Cincinnati granted summary judgment for Wyeth in an antitrust class action (and related opt-out suit) brought by direct purchasers of Wyeth's leading hormone therapy product, Premarin. The plaintiffs, who were seeking more than US$750 million in damages, alleged that Wyeth monopolized the market and restrained trade by entering into exclusionary contracts with managed care organizations.

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