Litigation

Mesa Digital, LLC v. OnePlus USA Corp.

dismissed with prejudice

3:23-cv-02830

Filed
2023-12-21
Terminated
2024-12-18

Patents at issue (1)

9031537

Plaintiffs (1)

Defendants (1)

Summary

The parties jointly stipulated to a dismissal with prejudice.

Case overview & background

Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.

This patent infringement litigation, Mesa Digital, LLC v. OnePlus USA Corp., involved a patent assertion entity (PAE) enforcing its patent against a major smartphone manufacturer.

The plaintiff, Mesa Digital, LLC, is identified as a patent assertion entity (NPE) associated with Ortiz & Lopez, PLLC (d/b/a OL PATENTS), a firm known for an extensive patent litigation campaign launched in 2008. Luis M. Ortiz, a named partner of OL PATENTS, is also a named inventor on patents within this family. The defendant, OnePlus USA Corp., is the American subsidiary of a global smartphone manufacturer. Mesa Digital accused an "unusually wide product range" of 22 OnePlus smartphone models, spanning six generations from the original OnePlus One to the OnePlus 11 5G and the foldable OnePlus Open, of infringing the asserted patent.

The sole patent asserted in this case was U.S. Patent No. 9,031,537, titled "Electronic wireless hand held multimedia device". This patent generally describes an electronic wireless handheld multimedia device that incorporates a microprocessor and multiple wireless transceiver modules. These modules enable wireless communication across various standards, including cellular (e.g., GSM, CDMA, GPRS, 3G), 802.11 (e.g., WLAN), and short-range technologies (e.g., Bluetooth, infrared, RFID), for the retrieval, processing, and delivery of multimedia data from remote sources like the internet or servers. The device can also include a GPS module and a touch-sensitive display screen.

Filed on December 21, 2023, the case was heard in the Northern District of Texas before Judge Brantley Starr. This venue, along with others in Texas, has become a more popular forum for patent litigation following the TC Heartland Supreme Court decision, partly due to its specialized procedural plan for patent cases and judges with enhanced training in patent disputes. The case concluded relatively quickly, lasting 363 days before being dismissed with prejudice on December 18, 2024, by joint stipulation of the parties. This outcome, where Mesa Digital's claims were dismissed with prejudice, means the plaintiff is permanently barred from re-asserting US9031537B2 against OnePlus USA for the accused products, suggesting an early resolution potentially before significant merits litigation. The case is notable as part of a broader campaign by Mesa Digital (and associated entities of OL PATENTS), which has asserted this patent family against over 75 defendants, often resulting in dismissals prior to substantive litigation. Furthermore, after this case's dismissal, Unified Patents filed for ex parte reexamination of the '537 patent in May 2025, which was instituted in June 2025 due to substantial new questions of patentability, indicating ongoing challenges to the patent's validity.

Key legal developments & outcome

Major rulings, motions, claim construction, settlements, and the present posture or final disposition.

The patent infringement litigation, Mesa Digital, LLC v. OnePlus USA Corp. (Case No. 3:23-cv-02830), filed in the Northern District of Texas, concluded with a dismissal with prejudice less than a year after its initiation.

Here are the key legal developments and outcome:

  • Filing & Initial Pleadings (2023-12-21): Mesa Digital, LLC, represented by Ramey LLP, filed a patent infringement complaint against OnePlus USA Corp. on December 21, 2023. The lawsuit asserted U.S. Patent No. 9,031,537B2, which covers an electronic wireless handheld multimedia device, against 22 different OnePlus smartphone models. The case was assigned to Judge Brantley Starr.
  • Pre-trial Motions, Claim Construction, Discovery, Trial: The case was resolved relatively quickly, within 363 days of filing. There is no public record of substantive pre-trial motions (such as motions to dismiss, transfer, or for summary judgment), claim construction (Markman) proceedings, or significant discovery milestones having taken place. The case did not proceed to trial.
  • Final Disposition (2024-12-18): On December 18, 2024, the parties filed a joint stipulation of dismissal under Federal Rule of Civil Procedure 41(a)(1)(A)(ii). The court subsequently dismissed the case with prejudice as to the asserted patent. This outcome prevents Mesa Digital, LLC from refiling the same infringement claims against OnePlus USA Corp. regarding U.S. Patent No. 9,031,537B2. Each party agreed to bear its own attorneys' fees, costs, and expenses.
  • Parallel PTAB IPR/PGR Proceedings: Subsequent to the dismissal of this case, Unified Patents filed an ex parte reexamination proceeding against U.S. Patent No. 9,031,537 on May 9, 2025. On June 24, 2025, the Central Reexamination Unit (CRU) granted Unified Patents' request, determining that there were substantial new questions of patentability regarding the challenged claims of the patent. This reexamination began after the resolution of Mesa Digital v. OnePlus USA Corp. and therefore did not directly influence its outcome.

Plaintiff representatives

Counsel of record for the plaintiff(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).

Mesa Digital, LLC was represented by Ramey LLP in its patent infringement case against OnePlus USA Corp..

The identified counsel of record for Mesa Digital, LLC is:

  • William P. Ramey III
    • Role: Lead Counsel (Managing Partner of Ramey LLP).
    • Firm: Ramey LLP, Houston, Texas.
    • Experience: Mr. Ramey is the founding and managing partner of Ramey LLP, a firm specializing in intellectual property litigation. He has extensive experience enforcing and licensing intellectual property, including patents, across various technologies, and has tried numerous cases to verdict. He has been selected to the Super Lawyers list for Intellectual Property Litigation for multiple consecutive years.

While not explicitly confirmed as counsel of record in this specific case (3:23-cv-02830) without direct PACER access, Mesa Digital, LLC is also associated with Ortiz & Lopez, PLLC (d/b/a OL PATENTS), whose named partners are inventors on patents asserted by Mesa Digital in other litigation.

  • Luis M. Ortiz

    • Role: Associated with OL PATENTS, which is connected to Mesa Digital LLC, and a named inventor on patents from the family asserted by Mesa Digital. His formal appearance in this specific case is not confirmed.
    • Firm: KPPB LAW (formerly co-founding partner of Ortiz & Lopez, PLLC / OL PATENTS). Office locations include New Mexico and Texas.
    • Experience: Mr. Ortiz is a registered patent attorney with over 30 years of experience in intellectual property law, including litigation, licensing, patent prosecution, and portfolio development. He is a Certified Licensing Professional (CLP®) and a named inventor on over 80 U.S. patents.

  • Kermit D. Lopez

    • Role: Associated with OL PATENTS, which is connected to Mesa Digital LLC, and a named inventor on patents. His formal appearance in this specific case is not confirmed.
    • Firm: KPPB LAW (formerly co-founding partner of Ortiz & Lopez, PLLC / OL PATENTS). Office locations include New Mexico and Texas.
    • Experience: Mr. Lopez is a registered patent attorney with over 25 years of experience in intellectual property law, focusing on patent and trademark prosecution, and IP portfolio management across diverse technical fields including electronics, software, and telecommunications. He is also an inventor named on over 60 issued U.S. patents.

Defendant representatives

Counsel of record for the defendant(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).

Despite thorough searching of public records, including legal news sites and case summaries, the specific counsel of record representing defendant OnePlus USA Corp. in Mesa Digital, LLC v. OnePlus USA Corp., case number 3:23-cv-02830 in the Northern District of Texas, could not be definitively identified. The case was dismissed with prejudice by joint stipulation after 363 days, which sometimes occurs before detailed attorney appearances are widely publicized or if in-house counsel handles the initial stages without external counsel filing a formal appearance.

While OnePlus USA Corp. has been represented by firms such as Mayer Brown LLP (e.g., James A. Fussell, Amanda S. Bonner, Graham M. Buccigross, Clark S. Bakewell) and Jackson Walker LLP (e.g., Arthur Gollwitzer) in other patent litigation matters, there is no public record in the provided search results confirming their appearance, or the appearance of any other specific firm or attorney, for OnePlus USA Corp. in this particular case. For instance, in a separate case involving Mesa Digital against Microsoft, it was noted that no defendant counsel of record appeared in the public docket reviewed.