Patent 11974143

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
  • IPR2025-01208IPRfiled Jul 3, 2025vs. Samsung Electronics Co., Ltd. et al.Trial Instituted

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

Cases on file (2)

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Specific litigation cases in our database that name US patent 11974143. 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.

✓ Generated

Known litigation involving US patent 11974143 is as follows:

  1. District Court Case:

    • Plaintiff(s): Xifi Networks R&D, Inc.
    • Defendant(s): [[Samsung Electronics Co.](/litigations/by-defendant/Samsung%20Electronics%20Co.), Ltd.](/litigations/by-plaintiff/Samsung%20Electronics%20Co.%2C%20Ltd.) and Samsung Electronics America, Inc.
    • Jurisdiction: U.S. District Court for the Eastern District of Texas, Marshall Division
    • Case Number: 2:24-cv-01057-JRG
    • Filing Date: December 17, 2024
    • Outcome or Current Status: The case is ongoing. Defendants' motion to stay proceedings pending Inter Partes Review (IPR) and Post-Grant Review (PGR) was denied on March 12, 2026. The district court has scheduled the trial for October 19, 2026.

  2. PTAB Inter Partes Review (IPR) Case:

    • Plaintiff(s) (Petitioner): Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc.
    • Defendant(s) (Patent Owner): Xifi Networks R&D Inc.
    • Jurisdiction: Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark Office (USPTO)
    • Case Number: IPR2025-01208
    • Filing Date: July 3, 2025.
    • Outcome or Current Status: Pending - Instituted.

Generated 5/19/2026, 6:46:45 AM