After spending several years in private practice, including specializing in patent prosecution for medical device companies while an associate with Morrison & Foerster in Palo Alto, CA, he served as General Counsel with TriVascular, Inc. He became Senior Patent Counsel at Boston Scientific responsible for all intellectual property matters for two of its franchises after Boston acquired TriVascular in 2005. He was most recently General Counsel with Zeltiq Aesthetics, Inc. Bill currently owns Insight Legal Services, a consulting practice under which he provides intellectual property and other legal counseling for a number of clients and acts as outside in-house counsel to companies in the medical device sector.