Apple Still Owes Caltech $838 Million as Appeals Court Declines to Invalidate Patent

Apple in January was ordered to pay the California Institute of Technology (Caltech) $838 million for infringing on Caltech patents related to WiFi transmissions.
Apple was hoping to get one of the patents in the case invalidated, but today, the U.S. Court of Appeals for the Federal Circuit ruled against Apple and declined to invalidate the patent in question, upholding a prior decision from an administrative patent court.According to Reuters, Apple tried to get the patent invalidated on "obviou