Townsend and Townsend and Crew is an intellectual property law firm. It practices in the areas of litigation, antitrust issues, technology transactions, and medical and mechanical devices. The firm represents clients in matters that include patents, investments, joint ventures, and trademark and copyright infringement. It also handles issues concerning development and implementation of corporate trade secret protection programs. Additionally, Townsend and Townsend and Crew assist clients in the purchase and sale of assets. The firm s attorneys are members of the American Bar Association, State Bar of California and Bar Association of San Francisco. Townsend and Townsend and Crew maintains a location in Walnut Creek, Calif.