Mealey's (January 15, 2021, 1:16 PM EST) -- PHILADELPHIA — A Pennsylvania federal judge on Jan. 11 partly granted and partly denied a manufacturer’s motion to exclude expert testimony under Daubert v. Merrell Dow Pharmaceuticals Inc. in a case where a man claims that a defective pressure regulator failed to prevent a spike in water pressure that led to a burst pipe that caused more than $280,000 damage to a home....