<i>"The infringing functionality was added to their accused products post June 20, 2017, and resulted in a dramatic increase in sales which Cisco touted in both technical and marketing documents," he added.</i><p>Looks like “Encrypted Traffic Analytics” is the functionality in question.<p><a href="https://newsroom.cisco.com/feature-content?type=webcontent&articleId=1853370" rel="nofollow">https://newsroom.cisco.com/feature-content?type=webcontent&a...</a>