The San Antonio-born brand has been celebrating the return of its "legendary original recipe" in recent marketing.

Church's Chicken has recently begun advertising some new chicken, bragging about the fact that they've gone back to the "original recipe." This is famously what KFC calls its fried chicken, in reference to Harland Sanders' original recipe.

KFC filed a lawsuit after claiming a letter they sent on October 24 objecting to Church's ads that boast "our original recipe is back" was ignored. CNN reports that the phrase "or

KFC is taking one of its smaller rivals to court, suing Church's Texas Chicken for allegedly violating its trademark rights by using the phrase "original recipe" in pitching its fried poultry products.

KFC has sued Church’s Texas Chicken in federal court, accusing the rival fast-food chain of violating its trademark rights in the phrase “Original Recipe.” KFC told the U.S. District Court for the Eastern District of Texas,

The phrase "Our original recipe is back" doesn't seem a likely one to inspire litigation, and yet here we are. As CNN reports, iconic purveyor of all things fried chicken, KFC, has filed a lawsuit against Church's Texas Chicken—not over its swiping of the fast-food holy grail of 11 herbs and spices (which remains a state,

KFC has filed a lawsuit against Church's Texas Chicken for allegedly violating its trademark rights by using the term "original recipe" in its advertising.