Stingray IP Solutions LLC v. TP-Link Corporation Ltd. et al.

Stingray IP Solutions LLC v. TP-Link Corporation Ltd. et al. - Case Overview

Stingray IP Solutions LLC, a non-practicing entity (NPE) focused on monetizing wireless networking intellectual property, initiated patent infringement litigation against TP-Link Corporation Ltd., TP-Link USA Corp., and TP Link Technologies Co Ltd. [cite: 6, 7 in previous step]. TP-Link is a Chinese telecom equipment manufacturer, with its corporate entities organized and headquartered in China [cite: 3 in previous step, 9 in previous step]. The specific products accused of infringement were generally identified as TP-Link products, likely wireless networking devices such as routers, though specific models were not publicly detailed due to the case's eventual settlement [cite: 4 in previous step]. The sole patent asserted in this litigation is U.S. Patent No. 6,958,986, which broadly relates to methods and apparatus for network configuration and management, particularly in wireless communication systems.

The procedural journey of this case was notably contentious regarding venue. Stingray originally filed its suit in the U.S. District Court for the Eastern District of Texas (2:21-cv-00045-JRG), a forum often favored by patent plaintiffs. The defendants, TP-Link, successfully moved to transfer the case to the U.S. District Court for the Central District of California (2:22-cv-07541), arguing a lack of personal jurisdiction in Texas [cite: 3 in previous step, 4 in previous step]. However, the Federal Circuit subsequently granted Stingray's mandamus petition, vacating the transfer order and instructing the case to be recalled to the Eastern District of Texas [cite: 3 in previous step, 4 in previous step]. Chief Judge J. Rodney Gilstrap presided over the cases in the Eastern District of Texas [cite: 3 in previous step, 5 in previous step]. This venue dispute highlighted the critical issue of personal jurisdiction over foreign defendants and the application of Federal Rule of Civil Procedure 4(k)(2).

Ultimately, the case resolved through a settlement before the Eastern District of Texas court could re-examine the personal jurisdiction issue or proceed to trial, as indicated by a docket entry on March 9, 2023, in the original Eastern District of Texas case (2:21-CV-00045-JRG) [cite: 7 in previous step]. The notability of this case largely stems from the Federal Circuit's intervention on the mandamus petition, which addressed the significant legal question of how foreign defendants' post-suit consent to jurisdiction in another forum affects the application of Rule 4(k)(2) and venue transfer under 28 U.S.C. § 1406 [cite: 3 in previous step, 4 in previous step, 13 in previous step].

Litigation Summary: Stingray IP Solutions LLC v. TP-Link Corporation Ltd. et al.

This patent infringement litigation, originally filed by Stingray IP Solutions LLC against TP-Link Corporation Ltd., TP-Link USA Corp., and TP Link Technologies Co Ltd., saw a series of jurisdictional transfers before ultimately settling. The case involved U.S. Patent No. 6,958,986.

Key Legal Developments and Outcome:

• Initial Filing & Pleadings (Eastern District of Texas): Stingray IP Solutions LLC initiated the patent infringement lawsuit against the TP-Link entities in the U.S. District Court for the Eastern District of Texas (case number 2:21-cv-00045-JRG) on February 8, 2021. While specific details of TP-Link's answer and counterclaims are not publicly detailed, they did move to dismiss for lack of personal jurisdiction or, alternatively, to transfer the case.
• Transfer to California Central District: On October 13, 2022, the Eastern District of Texas court granted TP-Link's motion and transferred the case to the U.S. District Court for the Central District of California, where it was assigned case number 2:22-cv-07541. The Texas court determined that exercising personal jurisdiction over the defendants in Texas would be unreasonable and that the defendants were amenable to suit in the Central District of California.
• Federal Circuit Mandamus: Stingray IP Solutions subsequently petitioned the U.S. Court of Appeals for the Federal Circuit for a writ of mandamus to challenge the transfer order. On January 9, 2023, the Federal Circuit granted Stingray's petition, vacating the transfer order and instructing the Eastern District of Texas to recall the cases. The Federal Circuit held that a foreign defendant's unilateral, post-suit consent to personal jurisdiction in another state could not, by itself, defeat the application of Federal Rule of Civil Procedure 4(k)(2).
• Return to Eastern District of Texas & Settlement: Following the Federal Circuit's mandamus order, the case was returned to the Eastern District of Texas. The parties ultimately reached a settlement. The case in the Eastern District of Texas (2:21-cv-00045-JRG) settled on March 9, 2023, before the district court could re-examine the issue of personal jurisdiction. The case in the Central District of California (2:22-cv-07541) is now closed.
• Claim Construction, Discovery, Trial, and Post-Trial Motions: Due to the settlement, the case did not proceed through the stages of claim construction (Markman), extensive discovery, trial, verdict, or post-trial motions.
• Parallel PTAB IPR Proceedings: A search for Inter Partes Review (IPR) proceedings related to U.S. Patent No. 6,958,986 in the USPTO's Patent Trial and Appeal Case Tracking System (P-TACTS) did not yield any active or completed IPRs for this specific patent. Therefore, PTAB proceedings did not affect the litigation's outcome.

Here is the counsel of record representing the plaintiff(s), Stingray IP Solutions LLC, in Stingray IP Solutions LLC v. TP-Link Corporation Ltd. et al.:

• Jeffrey A. Lamken

  • Role: Lead Counsel (in Federal Circuit mandamus petition)
  • Firm: MoloLamken LLP, Washington, D.C. and New York, NY.
  • Experience: A nationally recognized appellate practitioner, Mr. Lamken has argued 29 cases before the U.S. Supreme Court and briefed dozens more on a wide range of topics, including administrative law, antitrust, bankruptcy, civil rights, criminal procedure, energy, and intellectual property. He has particular expertise in the Federal Circuit and is recognized as a "go-to for major appeals with significant commercial and public policy implications."

• Lucas M. Walker

  • Role: Counsel (in Federal Circuit mandamus petition)
  • Firm: MoloLamken LLP, Washington, D.C.
  • Experience: An experienced appellate litigator focusing on Supreme Court and appellate litigation, Mr. Walker has argued cases at every level of the federal judiciary, including the U.S. Supreme Court and six U.S. Courts of Appeals. His experience spans intellectual property, administrative and constitutional law, and he has litigated issues such as standing to sue for patent infringement and personal jurisdiction.

• Lauren F. Dayton

  • Role: Counsel (in Federal Circuit mandamus petition)
  • Firm: MoloLamken LLP, New York, NY (also listed with Chicago office, but NY is primarily relevant for general firm presence).
  • Experience: Ms. Dayton litigates complex disputes in state and federal courts from complaint through appeal, with expertise in contract disputes, business torts, antitrust, bankruptcy, and intellectual property matters. She has briefed appeals before federal courts, including the Federal Circuit and the U.S. Supreme Court.

These attorneys were explicitly identified as representing Stingray IP Solutions, LLC, in its successful mandamus petition to the Federal Circuit concerning the transfer of the case from the Eastern District of Texas to the Central District of California. While specific details of other counsel for Stingray at the district court level in either the Texas or California districts were not definitively found through public web searches without direct PACER access for every docket entry, these individuals served as counsel of record for the plaintiff in a significant phase of this overarching patent infringement litigation.

The defendants, TP-Link Corporation Ltd., TP-Link USA Corp., and TP Link Technologies Co Ltd., were represented by attorneys from Kilpatrick Townsend & Stockton LLP in the Federal Circuit mandamus petition related to this case.

Here is the counsel of record identified:

• Kristopher L. Reed

  • Role: Counsel
  • Firm: Kilpatrick Townsend & Stockton LLP (at the time of representation in this case). Currently a Partner at Holland & Knight LLP, Dallas, TX.
  • Experience: Mr. Reed's practice focuses on intellectual property litigation and counseling, with extensive experience in federal district court litigation and U.S. International Trade Commission (ITC) investigations and trials. He has served as lead counsel in over 50 inter partes review (IPR) proceedings before the U.S. Patent Trial and Appeal Board (PTAB).

• Kevin M. Bell

  • Role: Counsel
  • Firm: Kilpatrick Townsend & Stockton LLP, Denver, CO. (Note: While some search results show a Kevin Bell at Arnall Golden Gregory LLP, the Federal Circuit opinion specifically lists Kevin Bell from Kilpatrick Townsend in Denver for this case.)
  • Experience: Mr. Bell is an intellectual property litigator with extensive experience in patent, trademark, and complex business litigation in federal district courts and ITC investigations. He works with clients in diverse fields including electronics, semiconductor manufacturing, software, and telecommunications.

• Edward J. Mayle (also referred to as "Ted" Mayle)

  • Role: Counsel
  • Firm: Kilpatrick Townsend & Stockton LLP, Denver, CO (at the time of representation in this case). Currently a Partner at Holland & Knight LLP, Denver, CO.
  • Experience: Mr. Mayle focuses on patent infringement litigation and appeals, as well as PTAB administrative actions. He has experience in cases involving telecommunication systems, semiconductors, software, electrical, mechanical systems, and medical devices, and has significant courtroom experience, including jury trials. He also represented LSI and Avago (subsidiaries of Broadcom) in a landmark Federal Circuit case regarding sovereign immunity in IPR proceedings.

• Steven D. Moore

  • Role: Counsel
  • Firm: Kilpatrick Townsend & Stockton LLP, San Francisco, CA.
  • Experience: Mr. Moore is a trial lawyer focusing on patent infringement and complex commercial litigation. He has extensive jury trial experience in various patent litigation venues, including the Eastern and Western Districts of Texas, and frequently argues before the Federal Circuit. He is Co-Head of the firm's Intellectual Property & Technology Litigation practice.

• Andrew N. Saul

  • Role: Counsel
  • Firm: Kilpatrick Townsend & Stockton LLP, Atlanta, GA.
  • Experience: Mr. Saul focuses his practice on patent infringement litigation, with experience in U.S. District Courts, the International Trade Commission, and the PTAB. He has successfully tried cases and argued motions for non-infringement in the Eastern District of Texas.

In-House Counsel:
Brad Waugh is the General Counsel for TP-Link. However, he was not listed as formal counsel of record in the Federal Circuit mandamus petition for this specific case.