Plaintiff
14 cases as plaintiff.
Palo Alto Networks, Inc. is a publicly traded multinational cybersecurity company founded in 2005. Headquartered in Santa Clara, California, the company trades on the Nasdaq stock exchange under the ticker symbol PANW. For the fiscal year ending in July 2025, Palo Alto Networks reported revenue of $9.22 billion and had over 16,000 employees.
The company provides a comprehensive platform of cybersecurity solutions covering network security, cloud security, and security operations. Its core product lines include Strata for network security, featuring advanced firewalls; Prisma for cloud security, designed to protect applications and data in cloud environments; and Cortex, an AI-driven security operations platform for threat detection and response. Palo Alto Networks serves over 80,000 enterprise customers globally.
As an operating company, Palo Alto Networks' patent litigation profile consists entirely of defending its technology. The provided case list shows five recent instances of the company as a defendant and none as a plaintiff, a typical posture for a large technology firm. Lawsuits have been filed in plaintiff-friendly jurisdictions such as the Eastern District of Texas, as well as in the Northern District of California and before the U.S. International Trade Commission.
Notable tracked cases include suits brought by Centripetal Networks, Inc. and Qomplx LLC. The litigation with Centripetal has involved disputes over patents related to network threat detection technology. Another case of note was a suit filed by competitor Fortinet, Inc., reflecting the competitive landscape of the cybersecurity industry.
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Palo Alto Networks petitioned for inter partes review of the '343 patent. The PTAB granted institution and issued a Final Written Decision, terminating the proceeding on August 5, 2024; the decision has been appealed to the Federal Circuit.
Palo Alto Networks petitioned for IPR challenging U.S. Patent 10,785,266; institution and joinder with IPR2023-00445 were granted on February 22, 2024. A Final Written Decision issued July 22, 2024 finding all challenged claims unpatentable, and the patent-family litigation record lists related Federal Circuit Appeal No. 2024-2373.
Palo Alto Networks filed an Inter Partes Review challenging claims 1, 24, and 25 of US9917856. After an appeal and remand by the Federal Circuit, a new PTAB panel issued a Final Written Decision on Remand, again finding the challenged claims unpatentable as obvious.
Palo Alto Networks petitioned for post-grant review of all claims 1-20 of US10931797. The PTAB denied institution on February 22, 2022, and Palo Alto Networks appealed to the Federal Circuit (No. 2022-145).
Palo Alto Networks petitioned for inter partes review of the '413 patent. The PTAB instituted review and issued a Final Written Decision on February 17, 2023, holding all claims 1-20 unpatentable as obvious. Centripetal appealed to the Federal Circuit.
Palo Alto petitioned for inter partes review challenging claims 1-17 of '49906 (patent owner later named Centripetal Networks, LLC). The PTAB issued a Final Written Decision on March 10, 2023; the narrative does not specify which claims were invalidated.
Palo Alto petitioned for inter partes review challenging all claims 1–20 of US10091246. The Board instituted review and, in a Final Written Decision, found the challenged claims unpatentable. Centripetal appealed to the Federal Circuit.
Palo Alto Networks petitioned for inter partes review of U.S. Patent No. 10,735,380. The PTAB did not institute review, with an institution decision dated January 24, 2022.
Palo Alto Networks petitioned for inter partes review of the '028 patent. The PTAB instituted review and issued a Final Written Decision finding claims 1-21 unpatentable as obvious over Sourcefire 3D System user guides and related prior art.
IPR challenging all 20 claims of the '126 patent. The PTAB issued a Final Written Decision finding the challenged claims unpatentable as obvious over Sourcefire 3D System prior art, and Centripetal appealed.
Palo Alto Networks petitioned for inter partes review challenging claims 1-27 of U.S. Patent 10,785,266. The PTAB denied institution on January 24, 2022, so no merits decision was issued.
Palo Alto Networks petitioned for inter partes review of claims 1–20 of the '437 patent. The PTAB denied institution on January 24, 2022.
Petition for inter partes review challenging claims 1-20 of the '343 patent. The PTAB denied institution on January 20, 2022.
Palo Alto's appeal from the judgment in the Eastern District of Virginia action, 2:21-cv-00137. The Federal Circuit docket reflects appeal No. 25-1167, with an order reactivating the appeal on December 22, 2025.