( May 20, 2024, 1:02 PM EDT) -- WASHINGTON, D.C. — Four years after reversing a determination that defendants DISH Network L.L.C. and Sirius XM Radio Inc. (SXM) did not qualify as prevailing parties in a patent infringement action, a divided Federal Circuit U.S. Court of Appeals panel on May 20 affirmed a Delaware federal judge’s finding on remand that DISH and SXM cannot recoup the attorney fees they incurred during a “voluntary” and “parallel” proceeding before the Patent Trial and Appeal Board (PTAB)....