With headquarters in Silicon Valley and having significant market share of software company clients, Fenwick & West was one of the first law firms in the world to confront Open Source issues. Our attorneys have vast experience in guiding clients of all sizes—from Open Source start-ups to Fortune 500 companies—on navigating the complex issues of Open Source and IP ownership. With clients across the globe, Fenwick & West provides comprehensive legal services to technology and life sciences clients from our offices in Silicon Valley, San Francisco and Seattle.