A private-equity firm and its majority-owned subsidiary preserved a defense summary judgment on antitrust conspiracy and monopolization claims in OJ Commerce, LLC v. KidKraft, Inc., 34 F.4th 1232 (11th Cir. May 24, 2022). Building on the Supreme Court’s holding that a parent company cannot engage in unlawful “concerted activity” with a wholly owned subsidiary, Copperweld…