Nintendo Co., Ltd. et al. v. Resonant Systems Inc.

This case involves a patent dispute between Nintendo Co., Ltd. and its American subsidiary, Nintendo of America Inc., both prominent multinational video game developers and console manufacturers, and Resonant Systems Inc., doing business as RevelHMI. Resonant Systems Inc. is identified as a company that provides high-tech hardware and software solutions for industrial equipment monitoring. However, in the context of this litigation, it functions as a patent assertion entity (PAE) or Non-Practicing Entity (NPE), asserting its patent rights against major technology companies for their consumer products. The patent at the heart of this dispute is U.S. Patent No. 8,860,337, titled "Linear vibration modules and linear-resonant vibration modules." This patent broadly covers vibration-generating devices, specifically linear vibrational modules that create haptic feedback through the linear oscillation of a weight, driven by electromagnets with feedback control to maintain resonant frequency.

Nintendo is accused of infringing the '337 patent with its Nintendo Switch console, specifically concerning the device's haptic feedback capabilities. This particular case, IPR2025-01098, is an Inter Partes Review (IPR) before the Patent Trial and Appeal Board (PTAB), where Nintendo challenged claims 2 and 3 of the '337 patent. This IPR has a status of "Procedural Termination," largely because it was the second IPR filed by Nintendo challenging the same claims of the '337 patent. Nintendo had explicitly requested the Board to institute only one of its two IPRs, likely favoring the earlier-filed IPR2025-00680, which sought joinder to an existing IPR by Apple against the same patent. An underlying patent infringement lawsuit, Resonant Systems, Inc. v. Nintendo Co., Ltd. (Case No. 2:25-cv-00090), was filed in the Eastern District of Texas, a venue frequently chosen by patent holders, including NPEs, for patent litigation. This district court case has been stayed pending the resolution of the related PTAB IPR proceedings.

The case is notable for several reasons, primarily highlighting the patent assertion strategy of Resonant Systems Inc. (d/b/a RevelHMI), which has also pursued litigation and settlements with other major tech players like Sony, Apple, and Meta over haptic feedback technology. The "Procedural Termination" of this IPR (IPR2025-01098) exemplifies the strategic use of multiple IPR filings by a defendant to challenge patent validity, often leading to consolidation or a focus on a single, stronger IPR petition. This ongoing dispute underscores the importance of haptic feedback technology in modern consumer electronics and reflects the broader trend of patent litigation targeting features common in popular devices. Nintendo has recently reported significant litigation losses, indicating the financial impact of such disputes on even large operating companies.

The patent infringement litigation Resonant Systems, Inc. v. Nintendo Co., Ltd. (Case No. 2:25-cv-00090) in the Eastern District of Texas, which involves U.S. Patent No. 8,860,337, has seen a series of key legal developments, primarily intertwined with parallel Inter Partes Review (IPR) proceedings.

Filing & Initial Pleadings

• Complaint Filed (2025-01-31): Resonant Systems, Inc. initiated the lawsuit against Nintendo Co., Ltd. in the Eastern District of Texas, alleging infringement of the '337 patent with the Nintendo Switch console.
• Answer & Counterclaims: While the specific dates for Nintendo's answer and counterclaims are not explicitly detailed in the provided information, it is understood that such filings would have occurred in due course following the complaint. Notably, the court docket for IPR2025-00680 mentions a "Docket Control Order, Resonant Sys., Inc. v. Nintendo Co., Ltd., No. 2:25-cv-00090-JRG, Dkt. No. 32 (E.D. Tex. May 30, 2025)", suggesting the case was actively moving through initial stages.

Pre-trial Motions of Substance

• Motion to Stay Pending IPR (2025-05-07): Nintendo filed an opposed motion to stay the district court case pending the conclusion of IPR2024-00807, an IPR filed by Apple Inc. challenging the same '337 patent. Nintendo argued that a stay would not unduly prejudice Resonant Systems, given its status as a non-practicing entity, and would likely simplify or even eliminate the case.
• Motion to Stay Granted (2025-07-24): District Judge Rodney Gilstrap granted Nintendo's motion to stay the case pending resolution of the PTAB's inter partes review concerning the '337 patent.
• Docket Control Order (2025-05-30, Amended 2025-06-17): Prior to the stay, the court issued a Docket Control Order, which was later amended, outlining various deadlines including for motions and trial. This order set the jury selection for November 2, 2026. However, the Markman hearing initially set for May 12, 2026, was cancelled following the stay.

Claim Construction (Markman) Outcomes

• Markman Hearing Canceled (2026-04-29): The Markman hearing, which had been set for May 12, 2026, was cancelled due to the stay of the district court case.

Discovery Milestones

• No specific discovery milestones with strategic significance are detailed in the provided information, likely due to the early stay of the district court proceedings.

Trial Events, Verdict, and Post-Trial Motions

• The case has not reached the trial stage due to the ongoing stay.

Settlement, Dismissal, Judgment, or Appeal

• Case Stayed (2025-07-24, reaffirmed 2026-04-24): The district court case remains stayed until the ultimate resolution of appeals for IPR2024-00807 and IPR2025-00680 before the United States Court of Appeals for the Federal Circuit.

Parallel PTAB IPR/PGR Proceedings

• IPR2024-00807 (Apple Inc. v. Resonant Systems, Inc.): This IPR, challenging claims 1, 2, 3, and 4 of the '337 patent, was instituted by the PTAB on October 15, 2024. A final written decision was issued on October 9, 2025. This IPR is currently under appeal at the Federal Circuit.
• IPR2025-00680 (Nintendo Co., Ltd. et al. v. Resonant Systems, Inc.): Nintendo filed this "copycat" IPR petition on March 9, 2025, challenging claims 2 and 3 of the '337 patent. Nintendo also filed a motion for joinder to the Apple IPR (IPR2024-00807). Institution of the IPR was decided on October 2, 2025, and it was joined. A final written decision was issued on October 8, 2025. This IPR is also currently under appeal at the Federal Circuit.
• IPR2025-01098 (Nintendo Co., Ltd. et al. v. Resonant Systems, Inc.): This IPR was filed by Nintendo on June 23, 2025, also challenging claims 2 and 3 of the '337 patent. Nintendo explicitly requested the Board to institute only one of its two IPRs, favoring IPR2025-00680 and indicating that IPR2025-01098 was a backup in case joinder was denied or the earlier IPR terminated. This IPR resulted in a "Procedural Termination" on October 31, 2025, likely because the Board decided to proceed with IPR2025-00680.
• Effect on Litigation: The ongoing appeals of IPR2024-00807 and IPR2025-00680 are directly impacting the district court case, as the court has explicitly ordered the stay to remain in effect until the "ultimate resolution of the appeals."

In the patent infringement case Resonant Systems, Inc. v. Nintendo Co., Ltd. (Case No. 2:25-cv-00090) in the Eastern District of Texas, Resonant Systems Inc. is represented by the following counsel:

• Wesley Hill (Lead Counsel)

  • Firm: Ward, Smith & Hill, PLLC (Longview, Texas)
  • Note: Mr. Hill is an experienced East Texas trial lawyer with a successful track record in patent, oil & gas, business, and federal criminal defense litigation, including over a dozen trials as lead or co-lead counsel, ten of which were patent cases. His trial successes include multi-million dollar plaintiff's verdicts and defense verdicts. He has been recognized as a Litigation Star by Benchmark Litigation and by Super Lawyers.

• Jonathan K. Waldrop (Lead Counsel)

  • Firm: Kasowitz Benson Torres LLP (Silicon Valley office, likely New York or California for primary office)
  • Note: Mr. Waldrop is head of Kasowitz's Intellectual Property group and represents industry-leading companies in patent and trademark litigation. He has been named an Intellectual Property Trailblazer by The National Law Journal and a Top Intellectual Property Lawyer in California by The Daily Journal. He specializes in technology-related cases, including interactive web technologies, video-on-demand, telecommunications, and gaming systems, and has represented large patent assertion companies.

Other attorneys from Ward, Smith & Hill, PLLC, such as Johnny Ward, Chad Everingham, and Claire Abernathy Henry, are also noted for their work in patent litigation and may be involved as part of the legal team.

In the patent infringement case Resonant Systems, Inc. v. Nintendo Co., Ltd. (Case No. 2:25-cv-00090) in the Eastern District of Texas, and the related IPR proceedings, Nintendo Co., Ltd. is represented by the following counsel:

Lead Counsel:

• Jeffrey P. Kushan

  • Firm: Sidley Austin LLP (Washington, D.C. office)
  • Note: Mr. Kushan serves as a global coordinator of Sidley's national IP Litigation practice, focusing on patent litigation, appeals, and PTAB proceedings. He has been lead counsel in over 225 PTAB proceedings and argued more than 25 times before the Board. His experience includes a diverse array of consumer electronics, software, and other technologies.

• Jared Bobrow

  • Firm: Orrick, Herrington & Sutcliffe LLP (Menlo Park, CA office)
  • Note: Mr. Bobrow is noted as lead counsel for Nintendo in filings related to the motion to stay pending IPR.

• Jason Lang

  • Firm: Orrick, Herrington & Sutcliffe LLP (Menlo Park, CA office)
  • Note: Mr. Lang is listed as an attorney for Nintendo Co., Ltd., alongside Mr. Bobrow, in filings for the district court case. He is also identified as "Petitioner Counsel" for Nintendo in IPR2025-00680.

Local Counsel:

• Eric H. Findlay
  • Firm: Findlay Craft, P.C. (Tyler, Texas)
  • Note: Mr. Findlay is a patent attorney based in the Eastern District of Texas, frequently serving as local counsel in patent infringement cases in the region.

Other Counsel:

• Scott Border

  • Firm: Sidley Austin LLP (Washington, D.C. office)
  • Note: Identified as a back-up lead counsel in some PTAB filings.

• Thomas A. Broughan III

  • Firm: Sidley Austin LLP (Washington, D.C. office)
  • Note: Identified as a back-up lead counsel in some PTAB filings.

• Parth Sagdeo

  • Firm: Orrick, Herrington & Sutcliffe LLP (Menlo Park, CA office)
  • Note: Listed as an attorney for Nintendo Co., Ltd. in district court filings.

It is worth noting that while some sources mention Scott G. Thomas or Scott M. Thomas in various legal contexts, there is no clear indication that either of these individuals is representing Nintendo in this specific patent litigation or the related IPRs. Similarly, Kirk Sigmon, an intellectual property litigation attorney, is cited for his opinions on Nintendo's patent practices in other cases (e.g., Palworld), but not as counsel of record in this case.