Mealey's (May 10, 2018, 4:46 PM EDT) -- WASHINGTON, D.C. — The Oklahoma Supreme Court decided an important federal question when it found state law claims against a health insurer outside of the Employee Retirement Income Security Act’s preemptive powers, a final decision that cannot be rectified later, a hospital group tells the U.S. Supreme Court in an April 30 petition for a writ of certiorari (INTEGRIS Health Inc. v. Elizabeth Cates, et al., No. 17-1501, U.S. Sup.)....