Patriot Lithium Limited engages in acquiring, exploring, developing, and mining high grade hard rock lithium projects in North America. It holds interests in the Keystone project located in South Dakota; Tinton West project located in South Dakota and Wyoming; and Wickenburg project located in Arizona. The company was incorporated in 2021 and is based in Perth, Australia. Patriot Lithium Limited operates as a subsidiary of Cityscape Asset Pty Ltd.