(April 28, 2016, 11:28 AM EDT) -- WASHINGTON, D.C. — Citing its companion ruling issued the same day in U.S. Ethernet Innovations LLC v. Acer Inc. (No. 2015-1640, 1641 [Fed. Cir.]) (the Acer appeal), the Federal Circuit U.S. Court of Appeals on April 25 turned away an appeal of a Texas federal judge’s holding of patent invalidity on the basis of issue preclusion (U.S. Ethernet Innovations LLC v. Texas Instruments Inc., No. 15-1510, Fed. Cir.; 2016 U.S. App. LEXIS 7398.)....