Patent 9179359

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.

1 active
  • IPR2026-00049IPRfiled Oct 31, 2025vs. Google LLC et al.Trial Instituted

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Cases on file (5)

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Specific litigation cases in our database that name US patent 9179359. 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 Surrounding U.S. Patent 9,179,359

As of April 26, 2026, U.S. Patent No. 9,179,359, titled "Wireless end-user device with differentiated network access status for different device applications," has been the subject of multiple legal disputes, including district court litigations and challenges at the Patent Trial and Appeal Board (PTAB). The patent is currently assigned to Headwater Research LLC, which has been actively asserting it against major technology and telecommunications companies.

District Court Litigation

Headwater Research LLC v. Google LLC

  • Plaintiff: Headwater Research LLC
  • Defendant: Google LLC
  • Jurisdiction: U.S. District Court for the Western District of Texas
  • Case Number: 7:25-cv-00518
  • Filing Date: November 7, 2025
  • Status: Ongoing. The case is part of a broader legal offensive by Headwater Research against several technology companies.

Headwater Research LLC v. Samsung Electronics Co., Ltd. et al.

  • Plaintiff: Headwater Research LLC
  • Defendants: Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:23-cv-00641
  • Filing Date: December 29, 2023
  • Outcome: The case was dismissed with prejudice on September 30, 2025, following a joint motion to dismiss by the parties, suggesting a settlement was reached.

Headwater Research LLC v. Charter Communications, Inc.

  • Plaintiff: Headwater Research LLC
  • Defendant: Charter Communications, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:25-cv-00904
  • Filing Date: August 27, 2025
  • Status: Ongoing. This lawsuit is another component of Headwater's extensive patent assertion campaign.

It is also understood that Headwater Research LLC has initiated litigation against other prominent companies, including Apple Inc., Amazon.com Inc., Comcast Cable Communications, LLC, and Dish Network Corp., as part of a widespread assertion of its patent portfolio. While reports indicate these actions were filed around August 2025, specific details confirming the assertion of U.S. Patent 9,179,359 in each of these individual cases are not fully available at this time.

Patent Trial and Appeal Board (PTAB) Proceedings

The validity of U.S. Patent 9,179,359 has also been contested through inter partes review (IPR) proceedings at the USPTO's Patent Trial and Appeal Board.

Google LLC v. Headwater Research LLC

  • Petitioner: Google LLC
  • Patent Owner: Headwater Research LLC
  • Case Number: IPR2026-00049
  • Filing Date: October 31, 2025
  • Status: Pending - Instituted. The PTAB has determined that there is a reasonable likelihood that at least one of the claims of the patent is unpatentable and has therefore initiated a trial.

Samsung Electronics Co., Ltd. v. Headwater Research LLC

  • Petitioner: Samsung Electronics Co., Ltd.
  • Patent Owner: Headwater Research LLC
  • Case Number: IPR2024-01407
  • Filing Date: September 6, 2024
  • Status: Pending - Instituted. The PTAB has also instituted a trial in this proceeding to review the patentability of the challenged claims.

Generated 5/13/2026, 12:47:36 AM