Mayer Brown’s antitrust and competition team works closely with the firm’s finance and M&A practices to advise on HSR filings, domestic merger investigations, and complex multinational clearances. The team is led by Britt Miller in Chicago, with William Stallings and Gail Levine leading the Washington DC practice. Stallings draws on DOJ experience across transportation, energy and agriculture matters, while Levine brings FTC experience to support high-tech clients.
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Key clients

  • Boeing
  • Caisse de Depot et Placement du Quebec
  • CNH Industrial, Inc.
  • Cognizant Technology Solutions Corporation
  • Conagra Brands, Inc.
  • Diamond Generating
  • Dow Chemical Company
  • GATX Corporation
  • Marubeni Corporation
  • Mitsubishi Corporation
  • Morningstar
  • Nestlé
  • R.J. O'Brien & Associates, LLC
  • Sasser Family Holdings, Inc.
  • Southwest Airlines
  • The Doctors Company
  • Unilever
  • Wolters Kluwer

Work highlights

Advised GATX Corporation in a $4.4 billion deal to acquire railcars from its competitor Wells Fargo through a newly formed joint venture with Brookfield Infrastructure Partners L.P.
Handled an unprecedented procedural interaction with the Antitrust Division in which it was independently retained to represent a joint venture that had to comply with a Second Request that was issued to Nippon Steel.
Representing Cognizant in its acquisition of 3Cloud, the largest independent Microsoft Azure cloud services provider in a strategic transaction that expands Cognizant’s Azure portfolio and strengthens it as a partner for enterprise AI readiness and digital transformation.
Practice head

Britt Miller; William Stallings; Gail Levine