In a lawsuit filed Nov. 8 in the U.S. District Court for the Eastern District of Texas, KFC has accused fellow fast-food fried chicken purveyor Church's Texas Chicken of violating its trademark rights by using the phrase "Original Recipe" in its advertisements and promotions.

KFC has sued Church's Texas Chicken, accusing the rival fast-food chain of violating its trademark rights in the phrase "Original Recipe."

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.