San Jose, California University, San Francisco State University, California State University, East Bay, Santa Clara University, and Stanford University pump thousands of engineering and computer science graduates into the local economy every year. San Jose residents produce more U.S. patents than any other city. On October 15, 2015, the United States Patent and Trademark Office opened a satellite office in San Jose to serve Silicon Valley and the Western United States. Thirty-five percent of all venture capital funds in the U.S. are invested in San Jose and Silicon Valley companies. By April 2018, Google was in the process of planning the "biggest tech
San Jose, California Coyote Valley, and Berryessa. San Jose possesses about of parkland in its city limits, including a part of the expansive Don Edwards San Francisco Bay National Wildlife Refuge. The city's oldest park is Alum Rock Park, established in 1872. In its 2013 ParkScore ranking, The Trust for Public Land, a national land conservation organization, reported that San Jose was tied with Albuquerque and Omaha for having the 11th best park system among the 50 most populous U.S. cities. A 2011 study by Walk Score ranked San Jose the nineteenth most walkable of fifty largest cities in the United States. San