The country’s top lumber manufacturers have suffered a triple setback in a massive antitrust suit that accuses them of conspiring to fix the price of “oriented strand board,” or OSB, an engineered wood product that has largely replaced plywood in recent years.
In a trio of opinions in In re OSB Antitrust Litigation, U.S. District Judge Paul S. Diamond of the Eastern District of Pennsylvania refused to dismiss the case and then certified two classes of plaintiffs — a class of direct purchasers and a class of indirect purchasers.
