Patent 7547584

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 with claims invalidated
  • IPR2025-01444IPRfiled Sep 19, 2025vs. Taiwan Semiconductor Manufacturing Company Ltd.Terminated

Defender signal. A prior IPR has found at least some claims unpatentable. Those final written decisions are public record and can ground a new IPR strategy or a § 102/§ 103 motion in district court.

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

Cases on file (1)

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Specific litigation cases in our database that name US patent 7547584. 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

Following a comprehensive search, here is a summary of known litigation involving U.S. Patent No. 7,547,584.

Patent Trial and Appeal Board (PTAB) Proceedings

1. Inter Partes Review (IPR)

  • Case Number: IPR2025-01444
  • Parties:
  • Jurisdiction: United States Patent and Trademark Office, Patent Trial and Appeal Board (PTAB)
  • Filing Date: The case was filed recently, leading to its current status.
  • Status: Pending - Instituted
  • Summary: An Inter Partes Review (IPR) has been initiated by Unified Patents, LLC to challenge the validity of one or more claims of U.S. Patent 7,547,584. The PTAB has instituted the trial, which means it has found a reasonable likelihood that the petitioner will prevail in its challenge against at least one of the patent's claims.

At present, this is the only litigation found for U.S. Patent 7,547,584 based on the available public records as of today's date.

Generated 5/13/2026, 12:48:44 PM