On April 10, 2023, the Federal Circuit affirmed the Patent Office's final decision, in a summary Rule 36 affirmance, confirming that the challenged claims of U.S. Patent 7,260,846, owned by Longhorn HD LLC, were unpatentable. Longhorn HD is an affiliate of Alpha Alpha Intellectual Partners, LLC. The ’846 patent was previously owned by Intellectual Ventures and is directed to cybersecurity techniques including detecting malicious network behavior. It had been asserted against Fortinet, Juniper Networks, and Check Point, but new assertions include NetScout Systems, Mitel Software, and Trend Micro.

View Longhorn HD’s district court litigation. To read the petition and view the case record, see Unified's Portal. Unified was represented by Megan Ines of Allen & Overy, who handled the argument, and in-house counsel, Roshan Mansinghani and Jordan Rossen, in this proceeding.