By Blake Brittain (Reuters) – A federal judge in Virginia has rejected cybersecurity company Centripetal Networks’ patent infringement claims against Cisco Systems in a multi-billion-dollar fight over network-security technology. A different judge in the same court, U.S. District Judge Henry Morgan, had awarded Centripetal $2.75 billion in the case in 2020, marking the largest patent damages award in U.S. history. A federal appeals court later overturned that award on ethics grounds because Morgan’s wife owned Cisco stock. Morgan had died in the interim, and the appeals court directed that the…