Untitled case

This patent infringement lawsuit, Massively Broadband LLC v. Samsung Electronics Co., Ltd. et al. (Case No. 2:25-cv-00608), is currently ongoing in the Eastern District of Texas, Marshall Division. The plaintiff, Massively Broadband LLC, appears to be a patent assertion entity (PAE) or non-practicing entity (NPE), having been created in Texas in February 2023 and having received a transfer of over 20 U.S. patents from named inventor Theodore ("Ted") S. Rappaport in late 2024. The defendants are Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc., both prominent operating companies in the consumer electronics and telecommunications industries.

Massively Broadband has accused Samsung of infringing a total of twelve patents, which it categorizes into "Intelligent Wireless Broadband Relay Patents," "Smart Antenna Patents," and "Network Monitoring Patents." The specific patent at issue for this overview is US Patent 8515925, which, based on its classification within the "Intelligent Wireless Broadband Relay Patents," likely pertains to technologies for improving wireless communication systems. The accused products from Samsung are broadly defined as "products, devices, apparatuses, and instrumentalities" that comply with various telecommunication standards, suggesting a wide range of Samsung's wireless devices and networking equipment are implicated.

The case's procedural posture in the Eastern District of Texas is notable due to the district's historical reputation as a "rocket docket" known for its expedited patent litigation timelines and plaintiff-friendly environment, although recent Supreme Court rulings like TC Heartland LLC v. Kraft Foods Group Brands LLC have aimed to restrict venue options for patent cases. This specific case further gains notability from the assertion pattern by Massively Broadband, an apparent NPE, against a major operating company like Samsung, and the presence of parallel inter partes review (IPR) proceedings initiated by Samsung against several related patents (e.g., IPR2025-01565, IPR2025-01564), indicating Samsung's active defense against the infringement claims. The judge presiding over this case is Judge J. Rodney Gilstrap.

The patent infringement litigation, Case No. 2:25-cv-00608, was filed by MASSIVELY BROADBAND LLC against Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. in the U.S. District Court for the Eastern District of Texas. The case, involving patent 8,515,925, remains ongoing as of May 28, 2026.

Here are the key legal developments in chronological order:

• Filing & Initial Pleadings:

  • 2025-06-06: Plaintiff MASSIVELY BROADBAND LLC filed the complaint against Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. in the Eastern District of Texas.
  • 2025-09-29: A document (Document 16) was filed where allegations not expressly admitted were denied, suggesting an answer or similar responsive pleading was filed by the defendants.

• Discovery Milestones:

  • 2025-10-07: An "FIRST AMENDED DOCKET CONTROL ORDER" was issued by District Judge Rodney Gilstrap, setting various pretrial deadlines.
  • 2025-10-10: An initial Docket Control Order (Document 21) was issued, setting key dates for the litigation.
  • Prior to 2025-10-21: Samsung served its First Set of Interrogatories (Nos. 1-18) to Massively Broadband, indicating the commencement of formal discovery.
  • 2025-10-21: Samsung's counsel sent a letter to Massively Broadband's counsel, discussing expectations for document production in accordance with Federal Rule of Civil Procedure 26 and Eastern District of Texas Local Rule CV-26(d).

• Pre-Trial Motions of Substance:

  • The First Amended Docket Control Order set deadlines for dispositive motions, including motions for summary judgment and motions to strike expert testimony, but no such motions have been filed according to the available information.

• Claim Construction (Markman) Outcomes:

  • A Markman/Claim Construction Hearing is scheduled for 2026-11-10. No outcome has been reached yet as the date is in the future.

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

  • Jury Selection for the case is tentatively set for 2027-05-17 before District Judge Rodney Gilstrap. No trial events or verdicts have occurred.

• Settlement, Dismissal, Judgment, or Appeal:

  • The case is currently active and proceeding through the discovery and pretrial phases. A pretrial conference is scheduled for 2027-04-12.

• Parallel PTAB IPR/PGR Proceedings:

  • Several Inter Partes Review (IPR) proceedings have been filed against U.S. Patent 8,515,925.
  • IPR2025-01565 is specifically linked to this litigation, as evidenced by its appearance on a document related to Samsung's interrogatories.
  • IPR2025-01587 is also mentioned in discovery correspondence, indicating its relevance to the patent(s) at issue, including U.S. Patent 8,515,925. The status and outcome of these IPRs were not readily available in the search results.

Here is the identified counsel of record representing the plaintiff(s) in MASSIVELY BROADBAND LLC v. Samsung Electronics Co., Ltd. et al, Case No. 2:25-cv-00608, in the Eastern District of Texas:

• Melissa Richards Smith

  • Role: Local Counsel
  • Firm: Gillam & Smith, LLP, Marshall, Texas
  • Experience Note: Melissa Smith is a partner at Gillam & Smith and has served as local counsel for over three thousand patent cases in the Eastern District of Texas, trying multiple patent cases to verdict. She has been recognized as a "go-to" lawyer by numerous Fortune 500 companies in intellectual property.

• Kevin Hardy

  • Role: Lead Counsel (inferred from firm's typical role and attorney's experience)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP, Washington D.C. office
  • Experience Note: Quinn Emanuel Urquhart & Sullivan has a leading patent litigation practice globally and is often lead counsel, having won many IP trials as plaintiff's counsel, including obtaining multiple defense verdicts in the Eastern District of Texas.

• Alex Verbin Chachkes

  • Role: Lead Counsel (inferred from firm name and typical role)
  • Firm: Chachkes Law PLLC
  • Experience Note: As a principal of Chachkes Law PLLC, Alex Chachkes likely focuses on complex intellectual property litigation. (Specific detailed experience not found in current search results, but firm structure suggests a lead role.)

• Sean S. Pak

  • Role: Lead Counsel (inferred from firm's typical role and attorney's experience)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP, San Francisco office
  • Experience Note: Quinn Emanuel attorneys are regularly selected for patent litigation accolades, indicating their involvement in high-stakes patent disputes.

• John Thomas McKee

  • Role: Lead Counsel (inferred from firm's typical role and attorney's experience)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP
  • Experience Note: Quinn Emanuel has over 80% of its IP cases involving patents and is considered a preeminent law firm for patent litigation.

• Matthew D Robson

  • Role: Lead Counsel (inferred from firm's typical role and attorney's experience)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP, New York office
  • Experience Note: Quinn Emanuel is known for its extensive trial experience and successful track record in patent cases across various industries.

These attorneys represent the plaintiff, Massively Broadband LLC. Melissa Richards Smith explicitly appeared as counsel for the plaintiff in a motion for an extension of time. The other attorneys listed from Quinn Emanuel Urquhart & Sullivan, LLP, and Chachkes Law PLLC are associated with the plaintiff according to PacerMonitor and are typically involved in patent infringement cases in lead counsel capacities. The Eastern District of Texas does not have a specific local counsel requirement beyond attorney admission and pro hac vice admission.

Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. are represented by a team of attorneys from multiple firms.

Lead and Other Counsel from Quinn Emanuel Urquhart & Sullivan, LLP:

• Kevin Hardy (Lead Counsel)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP (Washington, D.C. office)
  • Note: Kevin Hardy appeared as counsel for "All Defendants" on October 6, 2025. He is also listed as an attorney for Samsung in related IPR proceedings.
• Sean S. Pak (Counsel)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP (San Francisco office)
  • Note: Sean S. Pak filed a pro hac vice appearance on behalf of "All Defendants" on September 30, 2025. He is also listed as an attorney for Samsung in related IPR proceedings.
• John Thomas McKee (Counsel)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP
  • Note: John McKee is listed as backup counsel in related IPR proceedings for Samsung.
• Matthew D. Robson (Counsel)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP (New York office)
  • Note: Matthew Robson is listed as an attorney for Samsung in related IPR proceedings.
• James M. Glass (Lead Counsel for IPRs)
  • Firm: Quinn Emanuel Urquhart & Sullivan, LLP (New York, New York office)
  • Note: James M. Glass is listed as lead counsel for Samsung in several related IPR proceedings against Massively Broadband LLC.

Local Counsel from Gillam & Smith, LLP:

• Melissa Richards Smith (Local Counsel)
  • Firm: Gillam & Smith, LLP (Marshall, Texas office)
  • Note: Melissa Richards Smith has signed filings on behalf of Samsung, including an unopposed motion for extension of time, indicating her role as local counsel.

Other Counsel appearing in Related IPR Proceedings (and potentially involved in district court):

While the following attorneys are explicitly listed in IPR documents for Samsung, their involvement in the district court case is highly probable given the close relationship between the proceedings.

• Patrick J. McElhinny (Lead Counsel for IPRs)
  • Firm: K&L Gates LLP (Pittsburgh, PA office)
  • Note: Patrick J. McElhinny is listed as lead counsel for Samsung in several related IPR proceedings.
• Mark G. Knedeisen (Backup Counsel for IPRs)
  • Firm: K&L Gates LLP (Pittsburgh, PA office)
  • Note: Mark G. Knedeisen is listed as backup counsel for Samsung in several related IPR proceedings.
• Christopher Michael Verdini (Counsel)
  • Firm: K&L Gates LLP
• Rachel Ellenberger (Counsel)
  • Firm: K&L Gates LLP
  • Note: Rachel Ellenberger made a pro hac vice appearance for Massively Broadband LLC in June 2025 according to one snippet, but other snippets list her as K&L Gates, who are representing Samsung in related IPRs. This appears to be a contradiction in the provided search results regarding which party Ms. Ellenberger represents. The more recent and specific IPR filings consistently link K&L Gates with Samsung.
• Anna Shabalov (Counsel)
  • Firm: K&L Gates LLP (Pittsburgh office)
• Alex Verbin Chachkes (Counsel)
  • Firm: Chachkes Law PLLC
  • Note: Alex Verbin Chachkes is listed as an attorney in a PACER Monitor search result.

It's important to note that while some attorneys are explicitly designated "lead counsel" in IPR filings, the designation of lead counsel for the district court case itself can be a different matter, often involving a combination of national and local counsel. The appearances by Kevin Hardy and Melissa Richards Smith on the district court docket are strong indicators of their roles.