Gilead Sciences Inc. and its co-defendants in a high-profile antitrust class action have lawyered up.

White & Case has entered appearances for Gilead in Staley v. Gilead Sciences, while Arnold & Porter Kaye Scholer is representing Bristol-Myers Squibb Co.; Drinker Biddle Reath represents Johnson & Johnson Inc.; and Holland & Knight reps Japan Tobacco International USA Inc.