restaurants and let franchises and locations near existing Hardee's locations convert to other brands. Remaining restaurants that did not convert to Hardee's or new names and branding simply closed. Hardee's brought back the Big Shef hamburger for a limited time in 2001, 2007, and 2014 at some Midwestern locations. Trademark suit In January 2007, River West Brands, LLC, of Chicago, Illinois, sued Hardee's Food Systems in the US Patents and Trademarks Office, claiming abandonment of the Burger Chef trademark. On April 16, 2009, River West Brands dropped their petition for cancellation, and both parties agreed to pay their own attorneys' fees. Slogans 1980–1996: "Nowhere else but Burger Chef." 1976–1980: "We really give you the works." and "Open wide America, you never can forget. You get more to like at Burger Chef." 1971–1976: "You get more to like at Burger Chef." 1970–1971: "There's more to like at Burger Chef." and "Burger Chef goes all out to please your family." See also Burger Chef murders List of defunct fast-food restaurant chains List of hamburger restaurants References Further reading Self published. External links Hardee's trademark trial on the US Patent and Trademark Office Burger Chef Memories JFS' tribute site Burger Chef former locations at Waymarking.com Defunct fast-food chains in the United States Restaurants established in 1954 Fast-food hamburger restaurants Defunct restaurants in Indianapolis Restaurants disestablished in 1996 1954 establishments in Indiana 1996 disestablishments in Indiana Defunct restaurant chains in the United States General Foods