( September 11, 2025, 11:16 AM EDT) -- ST. LOUIS — An Eighth Circuit U.S. Court of Appeals panel said it found no error in a Missouri federal judge’s grant of summary judgment on copyright claims or jury instructions on trademark claims in a dispute over the use of a family name between two heating and air conditioning entities after a founding member of the family business started a new company, affirming findings adverse to the plaintiff-appellant entity....