Steve Dimopoulos, a personal injuries law firm in Las Vegas, has submitted a federal lawsuit versus the NFL and the Las Vegas Raiders right after they allegedly threatened “heightened authorized penalties” thanks to his Super Bowl LVII advertisement.  Dimopoulos aired a business in the Las Vegas media industry and on YouTube endorsing his law business, Dimopoulos Personal injury Law, which featured Raiders defensive finish Maxx Crosby, Vegas Golden Knights ahead Williams Karlsson and UFC fighter Jon Jones.  The advertisement showed every single athlete teaching and Dimopoulos prepping to go to court.  The NFL and Raiders despatched a joint cease-and-desist letter to Dimopoulos Feb. 22, demanding he halt airing the professional…