Mr Colin Kass > Proskauer Rose LLP > Washington DC, United States > Lawyer Profile

Proskauer Rose LLP
WASHINGTON, DC 20004-2533
United States
Colin Kass photo

Work Department

Litigation and Antitrust


Colin Kass is a partner in Proskauer’s Litigation Department and Co-Chair of Proskauer’s Antitrust Group, and a member of the cross-disciplinary, cross-jurisdictional Coronavirus Response Team. As a seasoned trial lawyer, Colin has handled many of the nation’s most complex and innovative antitrust cases over the past 20 years.

His practice involves a wide range of industries, including financial services, healthcare, sports, media, pharmaceuticals, and automotive markets, and spans the full-range of antitrust and unfair competition-related litigation, including class actions, competitor suits, dealer/distributor termination suits, price discrimination cases, criminal price-fixing probes, and merger injunctions.

Colin also has extensive experience interfacing with the Federal Trade Commission and Department of Justice, obtaining clearance for competitively-sensitive transactions and handling anticompetitive practices investigations.

As a trusted advisor, Colin also counsels clients on their sales, distribution, and marketing practices, strategic ventures, and general antitrust compliance.

Lawyer Rankings

United States > Antitrust > Civil litigation/class actions: defense

Proskauer Rose LLP guides clients though all stages of major antitrust disputes and has a solid track record of defending them in bet-the-company antitrust litigation and regulatory investigations. The firm brings to bear a particular focus on the agriculture and food industry as well as the sports sector, where it routinely represents a large variety of professional sports organizations. Colin Kass acts as the practice’s co-head from Washington DC, handling matters ranging from class actions and price discrimination to competitor suits. Also in DC, co-head Christopher Ondeck leads the firm’s price gouging team with strengths in bet-the-company cases.