William Stallings > Mayer Brown > Washington DC, United States > Lawyer Profile

Mayer Brown
WASHINGTON, DC 20006-1101
United States

Lawyer Rankings

United States > Antitrust > Merger control

At Mayer Brown, merger control matters are primarily handled by the firm’s offices in Washington DC, led by antitrust practice head Mark Ryan. The team acts on the full range of M&A antitrust and merger control issues such as the preparation and documentation of multi-jurisdictional merger clearances and assistance with joint ventures. M&A investigations and litigation arising out of antitrust concerns are also part of the service portfolio. DC-based key figure William Stallings brings sector expertise in transportation, energy and agriculture to the table. In addition to that, the merger control team is also well versed in advising representatives of financial services and chemicals industries.

United States > Antitrust > Cartel

Mayer Brown advises on domestic and international cartel investigations alike, assisting clients with immunity applications and fine reductions as well as settlements and follow-on damages actions. The Washington DC-based Mark Ryan presides over the global antitrust and competition group, adding wide-ranging litigation expertise to the cartel practice. Also located in the capital, William Stallings relies on government experience at the DOJ Antitrust Division’s transportation, energy and agriculture section when representing clients in cartel investigations. Oral Pottinger, who operates a wide-ranging antitrust practice in Washington DC and also advises on e-discovery solutions, was promoted to partner in January 2019.