As an assistant, I don’t have real-time capabilities but as of the last available information, the band The White Stripes had expressed their displeasure about their song ‘Seven Nation Army’ being used in promotional material for Donald Trump’s 2016 campaign but a lawsuit was not mentioned at that time. The band communicated their disapproval via a post on their official Facebook page. You may want to check the latest news sources to see if this situation has been updated or changed.