Patent 7193986

Litigation summary

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

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No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.

Cases on file (2)

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Specific litigation cases in our database that name US patent 7193986. 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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Known Litigation for U.S. Patent 7,193,986

As of April 30, 2026, U.S. Patent 7,193,986, currently assigned to Arlington Technologies, LLC, has been asserted in the following district court cases:

1. Arlington Technologies LLC v. T-Mobile US, Inc. et al.

  • Plaintiff: Arlington Technologies, LLC
  • Defendants: T-Mobile US, Inc., T-Mobile USA, Inc., Sprint LLC, Sprint Solutions LLC, Sprint Spectrum LLC.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:25-cv-00279
  • Filing Date: March 7, 2025
  • Status: The case is ongoing. It has been assigned to Judge Rodney Gilstrap. The complaint alleges that various T-Mobile and Sprint products, including gateways, routers, and mesh access points that support the 802.11ax Wi-Fi standard, infringe on the '986 patent among others. This case followed a notice of settlement in a prior lawsuit filed by Arlington Technologies against Comcast.

2. Arlington Technologies LLC v. Comcast Cable Communications, LLC

  • Plaintiff: Arlington Technologies, LLC
  • Defendant: Comcast Cable Communications, LLC
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: Information on the specific case number for the Comcast litigation was not immediately available in the searched materials, but it is referenced as preceding the T-Mobile case.
  • Filing Date: September 2024.
  • Outcome: Settled. This litigation was the first initiated by Arlington Technologies after acquiring a large portfolio of former Avaya patents. The '986 patent was asserted against Comcast products that are wireless access points configured to support 802.11ax.

Additionally, the patent is subject to an ex parte reexamination filed by Unified Patents on July 28, 2025. On April 3, 2026, the USPTO's Central Reexamination Unit (CRU) issued a notice of intent to issue a reexamination certificate that would cancel claims 1-3, 5-6, and 8-9, which could render the patent invalid for enforcement purposes.

Generated 4/30/2026, 8:04:55 PM