Patent 9247174

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 9247174. 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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As a patent attorney, I can provide the following information regarding known litigation involving U.S. Patent No. 9,247,174. This patent is currently owned by Multimedia Technologies Pte Ltd. and has been asserted in multiple legal actions.

District Court Litigation

1. Multimedia Technologies Pte. Ltd. v. LG Electronics Inc. et al.

  • Plaintiff: Multimedia Technologies Pte. Ltd.
  • Defendants: LG Electronics Inc. and LG Electronics USA, Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Case Number: 2:22-cv-00494
  • Filing Date: December 23, 2022
  • Status: Following a trial in May 2025, a federal jury found that LG did not infringe the asserted patents, including the '174 patent, and that the asserted claims were invalid. In March 2026, the court denied the plaintiff's motion for judgment as a matter of law to overturn the jury's verdict, affirming the finding of non-infringement because the patent was deemed invalid. An appeal has been filed with the Court of Appeals for the Federal Circuit (Docket: 26-1705, Filed: April 21, 2026).

2. Multimedia Technologies Pte. Ltd. v. VIZIO, Inc.

  • Plaintiff: Multimedia Technologies Pte. Ltd.
  • Defendant: VIZIO, Inc.
  • Original Jurisdiction: U.S. District Court for the Eastern District of Texas
  • Original Case Number: 2:23-cv-00124
  • Filing Date: March 24, 2023
  • Transferred Jurisdiction: U.S. District Court for the Central District of California
  • New Case Number: 2:25-cv-00577
  • Status: The case was initially filed in the Eastern District of Texas and was later transferred to the Central District of California in January 2025. The case in California was marked as terminated on January 6, 2026.

Patent Trial and Appeal Board (PTAB) Proceedings

U.S. Patent No. 9,247,174 has also been the subject of Inter Partes Review (IPR) petitions before the Patent Trial and Appeal Board. IPR is a procedure for challenging the validity of a U.S. patent before the USPTO.

1. LG Electronics, Inc. v. Multimedia Technologies Pte. Ltd.

  • Petitioner: LG Electronics, Inc.
  • Patent Owner: Multimedia Technologies Pte. Ltd.
  • Case Number: IPR2024-00352
  • Status: In April 2025, the PTAB upheld all the claims of U.S. Patent No. 9,247,174 that LG had challenged. This proceeding is noted as "Pending" in some databases, which may reflect ongoing appeal processes or related actions.

2. VIZIO, Inc. v. Multimedia Technologies Pte. Ltd.

  • Petitioner: VIZIO, Inc.
  • Patent Owner: Multimedia Technologies Pte. Ltd.
  • Case Numbers: IPR2024-00699, IPR2024-00694
  • Filing Date: March 13, 2024
  • Status: Vizio filed multiple IPR petitions challenging patents held by Multimedia Technologies, including some related to the '174 patent litigation. The specific outcomes for these IPRs concerning the '174 patent are not detailed in the provided search results, but they are part of the broader legal strategy in the Vizio litigation.

It is important to note that patent litigation is complex and the status of these cases can change. The information provided is based on publicly available records as of the current date.

Generated 5/1/2026, 10:30:56 PM