Mealey's (May 7, 2019, 1:18 PM EDT) -- HARRISBURG, Pa. — A Pennsylvania federal judge on May 6 held that a commercial general liability insurer has a duty to defend Hershey Creamery Co. against an underlying lawsuit alleging that the ice cream manufacturer unlawfully copied a competitor’s self-serve milkshake machine and its related marketing designs, display and verbiage (Hershey Creamery Company v. Liberty Mutual Fire Insurance Co., et al., No. 18-694, M.D. Pa., 2019 U.S. Dist. LEXIS 75760)....