Mealey's ( September 24, 2025, 10:38 AM EDT) -- PITTSBURGH — A hydraulic fracturing company has filed two reply briefs in Pennsylvania federal court seeking to exclude plaintiffs’ witnesses in a royalty dispute, arguing that neither expert meets the standard for admissibility under Federal Rule of Evidence 702. With regard to one of the experts, Barry Pulliam, the company insists that “given his admittedly questionable expertise,” the plaintiffs’ “attempt to slip Mr. Pulliam’s Count III opinions in the back door through hypotheticals fails.”...