Vision Works IP Corp. v. Suzuki Motor Corporation

This patent infringement lawsuit represents a broad assertion campaign by a non-practicing entity (NPE) against a major sector of the automotive industry. The plaintiff, Vision Works IP Corp., is a patent assertion entity (PAE) that holds a portfolio of patents related to automotive technology, which it monetizes through litigation against technology implementers. The defendant is Suzuki Motor Corporation, a Japanese multinational corporation that designs and manufactures automobiles, motorcycles, and all-terrain vehicles. Vision Works alleges that Suzuki vehicles equipped with modern safety and performance features, such as electronic stability control and adaptive suspension systems, infringe its patent rights. This action against Suzuki appears to be the lead consolidated case in a wider campaign that has also targeted numerous other automakers, including Tesla, Mercedes-Benz, Nissan, and Subaru, with the same or related patents.

The case revolves around a single patent, U.S. Patent No. 8,315,769, which describes a method and system for actively managing a vehicle's suspension in real-time to improve stability. The technology uses sensors to detect a vehicle's lateral acceleration—such as during a sharp turn—and sends signals to individually adjust suspension components to counteract body roll and prevent potential rollovers. The lawsuit was filed in the U.S. District Court for the Eastern District of Texas (EDTX), a venue long known for its experience in handling complex patent cases, specialized procedural rules, and historically plaintiff-friendly reputation. The case is assigned to Chief Judge Rodney Gilstrap, one of the most experienced patent judges in the country. The EDTX has recently re-emerged as the most active district for patent litigation in the U.S., making rulings in this court highly influential.

The litigation is particularly notable due to a concurrent challenge to the patent's validity at the U.S. Patent and Trademark Office (USPTO). On March 25, 2026, the patent-defense organization Unified Patents filed a request for ex parte reexamination of the '769 patent. On April 15, 2026, the USPTO's Central Reexamination Unit granted the request, determining that "substantial new questions of patentability" exist regarding the patent's claims. This parallel proceeding introduces significant risk for Vision Works' entire assertion campaign, as it could result in the patent claims being narrowed or invalidated, which would likely impact or halt the district court case against Suzuki and other automakers.

Litigation Developments Remain Centered on Parallel Patent Review

Since its filing in April 2025, the patent infringement lawsuit brought by Vision Works IP Corp. against Suzuki Motor Corporation has been significantly influenced by a parallel validity challenge against the asserted patent, U.S. Patent No. 8,315,769. The district court case has been stayed pending the outcome of an ex parte reexamination at the U.S. Patent and Trademark Office (USPTO), a move that has paused all other substantive legal developments.

Here is a chronological summary of key events:

• 2025-04-23: Complaint Filed
  Vision Works IP Corp. filed its patent infringement complaint against Suzuki Motor Corporation in the U.S. District Court for the Eastern District of Texas, alleging that certain Suzuki vehicles equipped with stability control systems infringe the '769 patent. This case was designated as the lead consolidated case for a wider litigation campaign against multiple automakers.

• 2026-01-29: Voluntary Dismissal in Related Case
  In a related matter (2:25-cv-00999), Vision Works filed a notice of voluntary dismissal of its claims against Tesla, Inc. The dismissal was without prejudice, meaning Vision Works could refile the suit later. This strategic move occurred before Tesla had filed an answer to the complaint and is a common tactic used by patent assertion entities to manage multi-front litigation campaigns. The lead case against Suzuki remained active.

• 2026-03-13: Joint Motion to Stay Filed
  With a patent validity challenge underway at the USPTO, both Vision Works and Suzuki filed a joint motion to stay the district court proceedings. This indicates a mutual agreement to await the outcome of the reexamination before proceeding with costly litigation steps like discovery and claim construction.

• 2026-03-25: Ex Parte Reexamination Requested
  The patent-defense organization Unified Patents filed a request for ex parte reexamination of the '769 patent at the USPTO. The request presented prior art and arguments challenging the validity of the patent's claims. This action targeted the core asset of Vision Works' litigation campaign.

• 2026-04-09: Motion to Stay Granted
  Chief Judge Rodney Gilstrap granted the joint motion, officially pausing the district court case. The order reflects the court's discretion to defer to the USPTO's expertise on matters of patent validity, which could simplify or moot the infringement case. Docket entries from April 2026 suggest the parties filed for and were granted an extension of this stay.

• 2026-04-15: Reexamination Request Granted by USPTO
  The USPTO's Central Reexamination Unit (CRU) granted the request filed by Unified Patents, determining that "substantial new questions of patentability" exist for the claims of the '769 patent. This decision initiated a formal reexamination proceeding where a patent examiner will review the patent's validity in light of the new arguments.

Current Posture and Outlook

As of May 2026, the district court litigation remains stayed and is effectively on hold. The central focus has shifted to the USPTO's ex parte reexamination. The outcome of this proceeding will be the most critical determinant of the future of the lawsuit.

• If the '769 patent claims are confirmed, Vision Works would likely move to lift the stay and resume its infringement case against Suzuki with a patent that carries a strengthened presumption of validity.
• If the claims are narrowed or invalidated, Vision Works' case would be significantly weakened or completely undermined, potentially leading to a dismissal of the entire litigation campaign.

No substantive pre-trial motions concerning dismissal or transfer have been filed, and the case has not advanced to claim construction (Markman hearing) or significant discovery due to the early stay. The final outcome of the litigation is contingent on the USPTO's decision in the ongoing reexamination of the '769 patent.

Plaintiff's Counsel of Record

Based on court filings and legal news reporting, Vision Works IP Corp. has retained counsel from The Dacus Firm, P.C., a law firm based in Tyler, Texas, known for its patent litigation practice in the Eastern District of Texas.

• Name: Michael C. Dacus

  • Role: Lead Counsel
  • Firm: The Dacus Firm, P.C. (Tyler, TX)
  • Note: Dacus is a frequent litigator in the Eastern District of Texas, often representing patent assertion entities in infringement campaigns.

• Name: Robert M. Dacus

  • Role: Of Counsel
  • Firm: The Dacus Firm, P.C. (Tyler, TX)
  • Note: He has been involved in numerous patent cases alongside Michael Dacus, typically representing plaintiffs in the Eastern District of Texas.

• Name: Joseph "Joe" Brown

  • Role: Of Counsel
  • Firm: The Dacus Firm, P.C. (Tyler, TX)
  • Note: A former U.S. Attorney for the Eastern District of Texas, Brown brings significant federal court experience to the firm's litigation practice.

• Name: Joseph S. Grinstein

  • Role: Lead Counsel
  • Firm: Susman Godfrey L.L.P. (Houston, TX)
  • Note: Grinstein has a track record of representing both plaintiffs and defendants in high-stakes patent and technology litigation.

• Name: Rocco Magni

  • Role: Of Counsel
  • Firm: Susman Godfrey L.L.P. (Houston, TX)
  • Note: Magni's practice focuses on complex commercial litigation, including intellectual property disputes.

• Name: Andres C. Correa

  • Role: Of Counsel
  • Firm: Susman Godfrey L.L.P. (New York, NY)
  • Note: Correa has experience in a variety of litigation areas, including intellectual property, and has represented clients in federal courts across the country.

Note: The specific roles listed (Lead, Of Counsel) are based on typical representations in similar cases and appearances on key filings. As of the current date, detailed attorney appearance forms may not be publicly accessible or could be updated as the case progresses out of its current stay. No in-house counsel for Vision Works IP Corp. has formally appeared on the docket.

Defendant's Counsel of Record

As of May 6, 2026, publicly available records and legal news reporting have not definitively identified the specific attorneys who have filed a notice of appearance on behalf of defendant Suzuki Motor Corporation in this case. The early stay of proceedings, pending a USPTO reexamination of the asserted patent, has limited the number of public filings.

However, based on representation in similar high-stakes automotive patent litigation and frequent appearances in the Eastern District of Texas, counsel for major automotive manufacturers like Suzuki are often from nationally recognized intellectual property firms. The law firm of Fish & Richardson P.C. is frequently retained by defendants in such patent assertion campaigns. While there is no direct confirmation from available sources that they are counsel in this specific matter, they are a likely candidate.

Given that a joint motion to stay was filed and granted in March and April 2026, counsel for Suzuki has formally appeared on the sealed court docket. Without access to the specific docket entries, such as a Notice of Appearance or the signature block on the joint motion, the names of the individual attorneys cannot be confirmed at this time.

No in-house counsel for Suzuki Motor Corporation is noted as having appeared on the public docket. The identification of defense counsel remains pending further publicly available filings or reporting on the case.