Patent 9516048

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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PTAB activity (1)

AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.

  • IPR2025-01437IPRfiled Sep 19, 2025vs. Google LLCDiscretionary Denial

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (7)

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Specific litigation cases in our database that name US patent 9516048. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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Litigation and Administrative Review Involving US Patent 9,516,048

As of April 26, 2026, U.S. Patent No. 9,516,048 B2 has been the subject of multiple district court litigations and has been challenged in inter partes review (IPR) proceedings before the Patent Trial and Appeal Board (PTAB). The patent is currently owned by K. Mizra LLC, having been previously assigned to Network Security Technologies, LLC.

District Court Litigation

The patent has been asserted in at least seven district court cases, primarily in the District of Delaware and the Eastern District of Texas.

  • Plaintiff: K. Mizra LLC
    Defendant: Hewlett Packard Enterprise Co.
    Jurisdiction: U.S. District Court for the Eastern District of Texas
    Case Number: 2:21-cv-00305
    Filing Date: August 9, 2021
    Status: This case was identified in a subsequent PTAB proceeding. The specific outcome or current status requires further review of court records.

  • Plaintiff: K. Mizra LLC
    Defendant: Fortinet, Inc.
    Jurisdiction: U.S. District Court for the Eastern District of Texas
    Case Number: 2:21-cv-00249
    Filing Date: July 8, 2021
    Status: This case was identified in subsequent PTAB proceedings. The specific outcome or current status requires further review of court records.

  • Plaintiff: K. Mizra LLC
    Defendant: Forescout Technologies, Inc.
    Jurisdiction: U.S. District Court for the Eastern District of Texas
    Case Number: 2:21-cv-00248
    Filing Date: July 8, 2021
    Status: This case was identified in subsequent PTAB proceedings. The specific outcome or current status requires further review of court records.

  • Plaintiff: Network Security Technologies, LLC
    Defendant: Pulse Secure, LLC
    Jurisdiction: U.S. District Court for the District of Delaware
    Case Number: 1:17-cv-01490
    Filing Date: October 24, 2017
    Status: This case was identified in a subsequent PTAB proceeding. The specific outcome or current status requires further review of court records.

  • Plaintiff: Network Security Technologies, LLC
    Defendant: McAfee, Inc.
    Jurisdiction: U.S. District Court for the District of Delaware
    Case Number: 1:17-cv-01489
    Filing Date: October 24, 2017
    Status: This case was identified in a subsequent PTAB proceeding. The specific outcome or current status requires further review of court records.

  • Plaintiff: Network Security Technologies, LLC
    Defendant: ForeScout Technologies, Inc.
    Jurisdiction: U.S. District Court for the District of Delaware
    Case Number: 1:17-cv-01488
    Filing Date: October 24, 2017
    Status: This case was identified in a subsequent PTAB proceeding. The specific outcome or current status requires further review of court records.

  • Plaintiff: Network Security Technologies, LLC
    Defendant: Bradford Networks, Inc.
    Jurisdiction: U.S. District Court for the District of Delaware
    Case Number: 1:17-cv-01487
    Filing Date: October 24, 2017
    Status: This case was identified in a subsequent PTAB proceeding. The specific outcome or current status requires further review of court records.

Patent Trial and Appeal Board (PTAB) Proceedings

The validity of US Patent 9,516,048 has been challenged before the PTAB in two known IPR proceedings.

  • Proceeding Number: IPR2025-01437
    Petitioner: Information Not Available in Provided Documents
    Patent Owner: K. Mizra LLC
    Filing Date: Not available in provided documents.
    Outcome: Not Instituted - Procedural.

  • Proceeding Number: IPR2022-00843
    Petitioner: Hewlett Packard Enterprise Company
    Patent Owner: K. Mizra LLC
    Filing Date: Prior to October 31, 2022
    Outcome: On October 31, 2022, the PTAB denied institution of the inter partes review.

Generated 5/13/2026, 6:46:14 PM