Pool Water Products v. Olin Corp.

FISHER, Circuit Judge:

OVERVIEW

Plaintiffs-appellants Aqua Tri and Pool Water Products (“plaintiffs”) allege that defendants-appellees Olin and Superior Pool Products (“defendants”) have engaged in a “whole host” of anticompetitive activities, including the illegal acquisition of a fellow dry chemical manufacturer, FMC. That acquisition was deemed illegal by the Federal Trade Commission in a separate proceeding. In a series of pretrial motions, plaintiffs asked the district court to give the FTC decision prima facie weight in this proceeding under Section 5 of the Clayton Act, 15 U.S.C. §…