The J.M. Smucker Co. filed a federal lawsuit Monday accusing Trader Joe’s of copying its popular Uncrustables frozen sandwiches. Smucker filed the lawsuit Monday in Ohio federal court, arguing that Trader Joe’s round, crustless sandwiches with crimped edges too closely imitate Uncrustables."Smucker does not take issue with others in the marketplace selling prepackaged, frozen, thaw-and-eat crustless sandwiches," the company said in its lawsuit. "But it cannot allow others to use Smucker’s valuable intellect ...