In Weidenhammer v. WCAB (Albright College ), 546 C.D. 2019, the Commonwealth Court issued a significant opinion on the retroactivity of Protz v. WCAB (Derry Area School Dist .), 161 A.3d 827 (Pa. 2017) ( Protz II ). The Commonwealth Court held Protz II , which determined Impairment Rating Evaluations (IREs) under Section 306(a.2) were invalid...








