In May 2019, Palo Alto Networks filed a suit in the Northern District of California seeking declaratory judgments that it does not infringe five network traffic monitoring and packet processing patents held by Packet Intelligence LLC. July saw Packet Intelligence answer that complaint and file affirmative counterclaims, and now the NPE has sued Juniper Networks (3:19-cv-04741) in the same forum, alleging infringement of the same five patents, which were each also targeted with a July 2019 petition for inter partes review (IPR) by campaign defendant Nokia. Meanwhile, NetScout Systems has filed its opening brief in support of its Federal Circuit appeal from a jury verdict and final judgment in the Eastern District of Texas.