Bishop Display Tech LLC v. BOE Technology Group Co., Ltd.

This patent infringement litigation, Bishop Display Tech LLC v. BOE Technology Group Co., Ltd., centers on allegations of infringement related to display technology. The plaintiff, Bishop Display Tech LLC, is identified as a Non-Practicing Entity (NPE) or Patent Assertion Entity (PAE), managed by the principals of the prolific Texas-based patent monetization firm, IP Edge LLC. Bishop Display Tech acquired the asserted patent from IP Bridge, Inc., which originally came from technology developed by Panasonic and Seiko Epson. The defendant, BOE Technology Group Co., Ltd., is a prominent Chinese electronic components producer and a leading global manufacturer of liquid crystal displays (LCDs), organic light-emitting diodes (OLEDs), and flexible displays, with core businesses in interface devices, IoT systems, and smart medicine. Bishop Display Tech accuses BOE Technology of infringing U.S. Patent No. 8,093,830. This patent, titled "Semiconductor Light Source Driving Apparatus and Semiconductor Light Source Driving Method," broadly describes a system and method for driving semiconductor light sources, such as LEDs or laser diodes, by controlling a power supply's output voltage based on measured current and impedance. The allegedly infringing products include BOE liquid crystal modules (LCMs), thin-film transistor liquid crystal displays (TFT-LCDs), and related components and products.

The case is being heard in the U.S. District Court for the Eastern District of Texas, Marshall Division, under District Judge Rodney Gilstrap, with case number 2:25-cv-00310. The Eastern District of Texas is a favored venue for patent plaintiffs, including NPEs, due to its reputation as a "rocket docket" known for its fast trial schedules and historically plaintiff-friendly juries. This court's procedural posture often allows plaintiffs to maintain venue against foreign corporations by asserting personal jurisdiction, thereby circumventing stricter venue requirements that typically apply to domestic defendants following the TC Heartland Supreme Court decision. The case 2:25-cv-00310 was consolidated for pretrial purposes with a related case, 2:25-cv-00309, with 2:25-cv-00310 designated as the lead case.

This litigation is notable within the context of NPE assertion patterns, specifically those of IP Edge, which is known for its frequent and aggressive patent enforcement campaigns through various shell entities. BOE has actively sought to challenge the asserted patents, with BOE Technology Group Co., Ltd. filing an inter partes review (IPR2025-01330) against Bishop Display Tech LLC, which the Patent Trial and Appeal Board (PTAB) discretionarily denied on November 20, 2025. The asserted U.S. Patent No. 8,093,830 has been the subject of PTAB challenges. The case further highlights the ongoing patent litigation risk faced by major display manufacturers, especially given a recent $66.9 million jury verdict against BOE in the Eastern District of Texas in January 2026, involving other LCD display patents also originating from Seiko Epson.

Key Legal Developments and Outcome for Bishop Display Tech LLC v. BOE Technology Group Co., Ltd.

The patent infringement lawsuit, Bishop Display Tech LLC v. BOE Technology Group Co., Ltd., Case No. 2:25-cv-00310, filed in the U.S. District Court for the Eastern District of Texas, is currently ongoing. The case involves U.S. Patent No. 8,093,830.

Chronological Summary of Legal Developments:

• Filing & Initial Pleadings:

  • 2025-03-20: Bishop Display Tech LLC filed the patent infringement lawsuit against BOE Technology Group Co., Ltd. in the U.S. District Court for the Eastern District of Texas.
  • 2025-08-26: Bishop Display Tech LLC filed a First Amended Complaint for Patent Infringement against BOE Technology Group Co., Ltd. (Details of BOE's answer and any counterclaims are not explicitly detailed in the provided snippets but would typically follow the complaint and amended complaint.)

• Pre-trial Motions of Substance:

  • 2025-08-27: A Motion to Dismiss (Docket Entry #25) filed by BOE Technology Group Co., Ltd. was denied by District Judge Rodney Gilstrap.
  • 2026-10-19 (Deadline): Responses to dispositive motions, including Daubert motions, are due.

• Consolidation:

  • 2025-08-21: BOE Technology Group Co., Ltd. filed a Joint Motion to Consolidate Case No. 2:25-cv-00309-JRG with Case No. 2:25-cv-00310-JRG.
  • 2025-08-27: The court issued a Consolidation Order, consolidating case 2:25-cv-00309-JRG into 2:25-cv-00310-JRG for all pretrial purposes. Case No. 2:25-cv-00310-JRG was designated as the Lead Case, with Case No. 2:25-cv-00309-JRG as a member case. Future filings are to be made in the lead case, while individual cases remain active for trial.

• Claim Construction (Markman):

  • 2026-07-30: A Claim Construction Hearing is scheduled.

• Discovery Milestones with Strategic Significance:

  • A Docket Control Order issued on July 23, 2025, and an Amended Docket Control Order signed on August 20, 2025, would have set various discovery deadlines. The exact details of these deadlines are not fully available in the provided snippets, but the schedule leads up to a trial date in early 2027.

• Trial Events, Verdict, and Post-trial Motions:

  • 2027-01-11: Jury Selection is scheduled to begin.

• Parallel PTAB IPR/PGR Proceedings:

  • 2025-07-28: BOE Technology Group Co., Ltd. filed two Inter Partes Review (IPR) petitions against Bishop Display Tech LLC challenging U.S. Patent No. 8,093,830:
    • IPR2025-01331: This IPR was "Not Instituted - Procedural."
    • IPR2025-01330: This IPR received a "Discretionary Denial" on November 20, 2025. The challenged claims were 1-10. The denial of these IPRs means the validity challenges to patent 8,093,830 did not proceed at the PTAB, leaving the issues for the district court litigation.

• Current Posture:
  The case is ongoing in the U.S. District Court for the Eastern District of Texas, with a trial scheduled for January 2027.

Plaintiff's Counsel Identified in Bishop Display Tech LLC v. BOE Technology Group Co., Ltd.

In the ongoing patent infringement case, Bishop Display Tech LLC v. BOE Technology Group Co., Ltd., filed in the U.S. District Court for the Eastern District of Texas (Case No. 2:25-cv-00310), the plaintiff, Bishop Display Tech LLC, is represented by attorneys from Nelson Bumgardner Conroy PC.

The following counsel are listed as representing Bishop Display Tech LLC:

• Patrick Joseph Conroy

  • Role: Lead Counsel (indicated by filing the First Amended Complaint).
  • Firm & Office Location: Nelson Bumgardner Conroy PC (firm's main offices are in Fort Worth and Dallas, Texas, based on general firm information, specific office for him to be confirmed).
  • Experience Note: Patrick Conroy is a named attorney who filed the First Amended Complaint for Patent Infringement on behalf of Bishop Display Tech LLC. He was also listed as an attorney for Bishop Display Tech LLC in a related PTAB IPR proceeding (IPR2022-00508).

• John Paul Murphy

  • Role: Counsel
  • Firm & Office Location: Nelson Bumgardner Conroy PC - Fort Worth.
  • Experience Note: Listed as an attorney for Bishop Display Tech LLC in the district court case and in a related PTAB IPR proceeding.

• Jonathan Hart Rastegar

  • Role: Counsel
  • Firm & Office Location: Nelson Bumgardner Conroy PC - Dallas.
  • Experience Note: Listed as an attorney for Bishop Display Tech LLC in the district court case.

• Thomas William Kennedy, Jr.

  • Role: Counsel
  • Firm & Office Location: Nelson Bumgardner Conroy PC - Dallas.
  • Experience Note: Listed as an attorney for Bishop Display Tech LLC in the district court case.

• Janson Westmoreland

  • Role: Counsel
  • Firm & Office Location: Nelson Bumgardner Conroy PC.
  • Experience Note: Listed as an attorney for Bishop Display Tech LLC in the district court case.

• Justin Bryce Kimble

  • Role: Counsel
  • Firm & Office Location: Nelson Bumgardner Conroy PC - Dallas.
  • Experience Note: Listed as an attorney for Bishop Display Tech LLC in the district court case and in a related PTAB IPR proceeding.

BOE Technology Group Co., Ltd. is represented by counsel from Gillam & Smith, LLP.

The following attorney has been identified as counsel of record for the defendant:

• Name: Melissa Richards Smith
• Role: Lead Counsel
• Firm: Gillam & Smith, LLP, Marshall, Texas
• Experience Note: Melissa Richards Smith is an experienced trial lawyer in the Eastern District of Texas, having tried multiple patent cases to verdict for both plaintiffs and defendants, and has served as local counsel in over three thousand patent cases. She is recognized as a "go-to" lawyer in intellectual property by numerous Fortune 500 companies.

As of the latest available docket information, while other firms like Ropes & Gray LLP were initially involved in related or consolidated cases, Melissa Richards Smith of Gillam & Smith, LLP has been explicitly designated as lead counsel for BOE Technology Group Co., Ltd. in case 2:25-cv-00310. There is no explicit docket entry identifying specific attorneys from Gibson, Dunn & Crutcher LLP as counsel of record for BOE in this particular case, though the firm has a strong patent litigation practice and may be involved in broader representation of BOE in other matters. Michael Morales of Ropes & Gray LLP, who was listed in some docket information, had a motion to withdraw as attorney granted in March 2026.