This is the Palo Alto location of international business law firm Dorsey and Whitney. Opened in 2002, the Palo Alto office is located in Silicon Valley and serves clients of all sizes working in hardware and software, semiconductors, mechanical and electrical engineering, nanotechnology, biotechnology, chemistry and chemical manufacturing, pharmaceuticals, construction and financial services. Office head Craig S. Ritchey leads an extensive legal team at the Palo Alto location.