A cadre of Big Law firms—including Williams & Connolly, Cravath Swaine & Moore, Latham & Watkins, Wilson Sonsini Goodrich & Rosati and Kirkland & Ellis—are taking on some of the biggest antitrust battles against U.S. regulators, representing clients such as Live Nation, Apple, Google, Amazon and Kroger.

The matters are just a few examples of the lucrative work that is driving high demand in antitrust practices at Big Law firms, thanks to aggressive efforts to fight corporate consolidation from the Biden administration.