Mr. Pfister’s litigation practice has included complex antitrust, securities, intellectual property and professional malpractice actions.

Mr. Pfister's antitrust work has ranged from pretrial and trial of industry-wide price-fixing and monopolization cases to antitrust counseling. He has negotiated with both the Federal Trade Commission and the Department of Justice on complex mergers, and has represented companies and individuals in government grand jury proceedings and civil investigations, as well as in private treble damage actions. His securities work has included defense of complex class actions and SEC enforcement actions, as well as representation of special committees. His intellectual property experience includes patent and copyright litigation in federal courts and the International Trade Commission, as well as in European jurisdictions in association with local counsel. His professional liability litigation has involved representation of attorneys and law firms on fraud and malpractice claims, as well as on substantial sanctions motions.

Mr. Pfister served as Chairman of Morrison & Foerster from 1993 to 1997, and was responsible for all aspects of the firm’s professional, strategic and financial decisions. Before becoming Chairman of the firm, he served as Managing Partner for Practice from 1990 to 1993, with responsibility for coordinating all practice areas in the firm's 14 offices at the time. He served as Chairman of the Morrison & Foerster firm-wide Litigation Department from 1987 to 1990. He now serves as one of the General Counsel of the firm. Mr. Pfister associated with Morrison & Foerster in 1975, and became a partner of the firm in 1979.