Untitled case

An early-stage patent infringement case has been filed by Optimum Vector Dynamics LLC against Segway Inc. in the U.S. District Court for the Central District of California. The plaintiff, Optimum Vector Dynamics, appears to be a non-practicing entity (NPE) engaged in a patent assertion campaign, having filed similar lawsuits against other technology companies. The defendant, Segway Inc., is a well-known manufacturer of personal transportation devices, including a line of robotic lawnmowers. This case is part of a broader litigation effort by the plaintiff, which has also targeted companies like Anker and Dreame Technology over the same patent in different California districts.

The lawsuit centers on U.S. Patent No. 8,649,971, which was originally assigned to Mitsubishi Electric. The patent generally relates to a "movement control device and movement control method for a mobile body," which involves controlling a mobile unit based on a created map and work schedule data. Optimum Vector Dynamics alleges that Segway's Navimow robotic lawnmowers infringe the '971 patent. Specifically, the accused technology involves features common to modern robotic devices, such as creating virtual boundaries, mapping a work area, and scheduling tasks, all managed through a smartphone application. The Navimow app allows users to define mowing zones, create off-limit areas, and control the mower remotely, which are the types of "app integration and smart mapping" features central to the plaintiff's infringement claims.

The case, number 2:25-cv-05928, is before District Judge Michael W. Fitzgerald and referred to Magistrate Judge Stephanie S. Christensen. The Central District of California is a significant venue for patent litigation, known for being one of the busiest intellectual property courts in the country. While the district does not have its own uniform patent local rules, individual judges often establish their own procedures for managing patent cases. The case is notable as it exemplifies the common NPE strategy of acquiring a single patent from a large operating company and asserting it across an industry—in this instance, the growing market for smart, autonomous home robotics. The outcome could impact how companies in this sector approach app-based control and navigation features in their products.

Case Resolved Following Early Settlement

The patent infringement lawsuit brought by Optimum Vector Dynamics LLC against Segway Inc. was resolved and dismissed just under six months after it was filed. Court records indicate the parties reached a settlement following the defendant's motion to dismiss the complaint. The case did not proceed to claim construction, significant discovery, or trial.

Key Legal Developments (2025)

• 2025-06-30: Complaint Filed
  Optimum Vector Dynamics LLC filed a patent infringement lawsuit against Segway Inc., alleging that Segway's Navimow robotic lawnmowers infringed U.S. Patent No. 8,649,971. The case was assigned to District Judge Michael W. Fitzgerald. (Case No. 2:25-cv-05928, Dkt. 1).

• 2025-09-09: First Amended Complaint
  The plaintiff filed a First Amended Complaint, likely to address potential pleading deficiencies or refine its infringement contentions. (Dkt. 16).

• 2025-09-30: Segway Moves to Dismiss
  Instead of filing an answer, Segway Inc. responded to the amended complaint by filing a Motion to Dismiss. While the specific grounds for the motion are not detailed in the available docket summary, such motions in patent cases often argue that the complaint fails to state a plausible claim for relief under Rule 12(b)(6) or that the patent claims are invalid for claiming ineligible subject matter under 35 U.S.C. § 101. A hearing was eventually set for December 2025.

• 2025-12-11: Settlement and Stipulation to Dismiss
  The parties jointly filed a "STIPULATION to Dismiss Case pursuant to FRCP 41(a)(2) Pursuant to Settlement Agreement." (Dkt. 34). This filing notified the court that a settlement had been reached and that the parties agreed to dismiss the case. The terms of the settlement were not made public.

• 2025-12-11: Court Order on Dismissal
  On the same day, Judge Fitzgerald issued an order setting a Show Cause Hearing for January 12, 2026. (Dkt. 35). This is a standard procedural step where the court requires the parties to formally finalize the dismissal following a notice of settlement.

• 2025-12-12: Case Closed
  A "REPORT ON THE DETERMINATION OF AN ACTION Regarding a Patent or Trademark (Closing)" was entered on the docket, administratively closing the case. (Dkt. 36).

Outcome and Disposition

The litigation concluded with a settlement between Optimum Vector Dynamics and Segway. The case was voluntarily dismissed with prejudice, precluding the plaintiff from re-filing the same claims against Segway. The early stage of the resolution—before an answer was filed and prior to any substantive rulings on the motion to dismiss or claim construction—is typical of nuisance-value settlements often seen in non-practicing entity (NPE) litigation campaigns.

Parallel PTAB Proceedings

A search of the U.S. Patent and Trademark Office's Patent Trial and Appeal Board (PTAB) records shows no evidence of Inter Partes Review (IPR) or other post-grant proceedings having been filed against U.S. Patent No. 8,649,971. The swift settlement of the district court case rendered a parallel PTAB challenge unnecessary for the defendant.

Plaintiff's Counsel of Record Identified in Segway Patent Suit

Attorneys from at least two different law firms have appeared on behalf of the plaintiff, Optimum Vector Dynamics LLC, in its patent infringement lawsuit against Segway Inc. The legal team combines local California counsel with patent litigators from an out-of-state firm, a common practice in federal court.

Based on initial filings in the U.S. District Court for the Central District of California, the following attorneys are representing the plaintiff.

---

Lead Counsel

• Name: Jacqueline K. Burt
• Role: Lead Counsel (Appearing pro hac vice)
• Firm: Heninger Garrison Davis, LLC
• Office Location: Atlanta, GA
• Note on Experience: A partner at her firm, Burt specializes in intellectual property and patent litigation and has represented clients in federal courts nationwide and before the U.S. International Trade Commission.

Local Counsel

• Name: Steven W. Ritcheson
• Role: Local Counsel
• Firm: Insight, A Professional Law Corporation
• Office Location: Marina del Rey, CA
• Note on Experience: Ritcheson is an attorney licensed in California whose name appears on multiple filings in this case and in other patent cases in California federal courts.

According to the case docket, Jacqueline K. Burt's participation is pending a pro hac vice application, which allows an out-of-state lawyer to appear in a specific case. Steven W. Ritcheson, as a California-licensed attorney, serves as the local counsel of record. This structure allows Optimum Vector Dynamics to be represented by a specialized patent litigator while complying with local court rules requiring the participation of an attorney admitted to practice in the district.

As of early May 2026, court records indicate that defendant Segway Inc. has retained counsel from the boutique litigation firm Morrow Ni LLP. The docket for case 2:25-cv-05928 in the Central District of California shows a notice of appearance filed on behalf of Segway, identifying a single attorney so far.

Based on docket entries and other public records, the counsel of record for defendant Segway Inc. is:

• Name: Xinlin Li Morrow
  • Role: Lead Counsel
  • Firm: Morrow Ni LLP (Los Angeles, CA)
  • Notable Experience: A co-founding partner of her firm, Ms. Morrow is a trial lawyer with a background in high-stakes intellectual property and business disputes from her time at litigation powerhouses Irell & Manella and Hueston Hennigan. Her patent litigation experience includes defending manufacturers and technology companies in cases involving consumer goods, solar inverter technology, and software.

The docket confirms Ms. Morrow's appearance through "Filing 17 NOTICE of Appearance filed by attorney Xinlin Morrow on behalf of Defendant Segway Inc." No other attorneys from Morrow Ni LLP or any other firm have filed notices of appearance for Segway at this early stage of the litigation. Should additional counsel appear, this record will be updated accordingly.