William Berkowitz is a partner in the Litigation Department of Seyfarth Shaw LLP. His practice focuses on antitrust, franchise, distribution, mergers and acquisitions, and other commercial litigation. Mr. Berkowitz has tried cases in state and federal courts and administrative agencies in Massachusetts, New York, New Hampshire, Connecticut, New Jersey, Pennsylvania and Maryland. He has argued appeals in the New York, New Jersey, Massachusetts and Delaware courts of appeal and before the United States Courts of Appeal for the First Circuit (three times), Third Circuit, Fourth Circuit and Eleventh Circuit. He has also represented clients before the Department of Justice, Federal Trade Commission, the Federal Reserve Board and a number of state agencies.

Mr. Berkowitz is recognized by Chambers USA as a leading lawyer in antitrust. He is also ranked by Best Lawyers as leading lawyer in franchise law and by Benchmark Litigation as a Massachusetts litigation “star.”

Beyond litigation, Mr. Berkowitz routinely consults with clients on mergers and acquisitions regarding compliance with federal and state antitrust laws, state franchise laws, the Hart-Scott-Rodino Act, and foreign premerger notification laws.