Jay Schaefer

Jay Schaefer represents clients in complex antitrust cases in federal and state courts. He has experience briefing merits and discovery disputes, taking and preparing for depositions, and preparing the fact and expert record necessary to argue and defend dispositive motions.

Jay has represented large health insurers in multidistrict litigation, class actions, and opt-out cases alleging market allocation, group boycott, and price-fixing conspiracies under Section 1 of the Sherman Act and various state antitrust and unfair competition laws. Jay has also briefed matters in the federal courts of appeals and in the U.S. Supreme Court, where he helped defeat a certiorari petition seeking review of a district court's approval of one of the largest antitrust class action settlements in American history.

Prior to joining Jones Day in 2026, Jay practiced at a national law firm and clerked on the U.S. Court of Appeals for the Sixth Circuit and the U.S. District Court for the Northern District of Illinois.