Phillip Philbin is a partner, a member of the firm's Board of Directors, co-chair of the Intellectual Property Litigation Practice Group, and former chair in the firm's Business Litigation Section.

Phillip (Phil) Walker focuses his practice on intellectual property counseling, including the procurement and enforcement of patents, trademarks, and copyrights.

Phillip Morton is an associate in the Intellectual Property Litigation practice group of the Cooley Litigation department. He joined the Firm in 2005 and is resident in the Reston office.

Phyllis Kupferstein concentrates on employment-related matters, including wrongful termination, discrimination, sexual harassment.

As chair of Haynes and Boone’s Trademark Practice Group, Purvi Patel focuses on brand management, including domestic and international trademark portfolio protection and enforcement, and has extensive experience with trade dress.

R. Tali Epstein’s practice focuses on complex civil litigation, including matters involving commercial contract disputes and fraud, intellectual property, insurance and securities.

Blake Johnston focuses his practice on intellectual property law with an emphasis on patent prosecution and litigation, protection of trade secrets, licensing, patentability, freedom to operate, infringement and validity opinions.