Townsend and Townsend and Crew was a law firm based in San Francisco, California. The firm was founded in 1860 and was one of the oldest and largest intellectual property law firms in the United States. The firm provided legal services in the areas of patents, trademarks, copyrights, trade secrets, and related litigation. In 2009, the firm merged with Kilpatrick Stockton to form Kilpatrick Townsend & Stockton.