Background
Stingray IP Solutions, LLC filed patent infringement suits in the Eastern District of Texas against TP-Link Technologies Co., Ltd. (a Chinese company) and TP-Link Corporation Limited (a Hong Kong company). Because TP-Link entities are foreign corporations with no specific domestic contacts tying them to the Eastern District of Texas, Stingray asserted personal jurisdiction under Federal Rule of Civil Procedure 4(k)(2) — a provision that confers federal court jurisdiction over foreign defendants whose aggregate contacts with the United States as a whole satisfy due process, even if no single state has jurisdiction.
TP-Link moved to dismiss for lack of personal jurisdiction or to transfer the case to the Central District of California. As a tactical maneuver, TP-Link represented to the court that it was willing to submit to jurisdiction in the Central District of California. Judge Gilstrap of the Eastern District of Texas concluded that TP-Link’s post-suit consent to jurisdiction in California defeated Rule 4(k)(2) jurisdiction in Texas — reasoning that Rule 4(k)(2) only applies when the defendant is not subject to jurisdiction in any single U.S. state, and TP-Link had now voluntarily agreed to jurisdiction in California. The court transferred the case. Stingray petitioned the Federal Circuit for mandamus.
The Court’s Holding
The Federal Circuit granted mandamus and vacated the transfer order, resolving a split among district courts on a previously undecided question: can a foreign defendant defeat Rule 4(k)(2) jurisdiction by unilaterally consenting to jurisdiction in a different forum after the lawsuit is filed? The answer is no. The Federal Circuit held that Rule 4(k)(2) personal jurisdiction is determined based on the defendant’s contacts with the United States as a whole, not on the defendant’s post-suit tactical choice to accept jurisdiction elsewhere. Allowing a defendant to choose its preferred forum by post-suit consent would give foreign defendants an undue ability to manipulate venue and undermine the plaintiff’s forum selection.
The court further reasoned that Rule 4(k)(2) exists specifically to address the gap for foreign defendants whose contacts are dispersed nationally and who would otherwise escape U.S. court jurisdiction entirely. Allowing those defendants to manufacture an alternative jurisdictional basis after being sued — while refusing to waive objections in the plaintiff’s chosen forum — would hollow out the rule’s purpose. The decision returned the case to the Eastern District of Texas and settled an important venue and personal jurisdiction question for patent cases involving foreign technology companies.
Key Takeaways
- Under Rule 4(k)(2), personal jurisdiction over a foreign defendant is based on the defendant’s aggregate contacts with the United States — a defendant cannot defeat this jurisdiction by post-suit consent to a different forum.
- Foreign defendants who wish to challenge personal jurisdiction under Rule 4(k)(2) must do so on due process grounds — they cannot escape jurisdiction by volunteering to submit to it elsewhere.
- The ruling closes a significant venue manipulation loophole that had allowed foreign technology companies sued in the Eastern District of Texas to redirect cases to more favorable venues by strategic post-suit consent.
- Patent plaintiffs asserting Rule 4(k)(2) against foreign defendants now have stronger assurance that their forum selection will not be defeated by the defendant’s tactical maneuvering.
Why It Matters
Venue and personal jurisdiction disputes are a defining feature of patent litigation in the United States. Foreign technology companies — particularly Chinese manufacturers — have been central defendants in many significant patent cases, and questions about where those defendants can be sued are enormously consequential for both parties. The Eastern District of Texas has historically been a plaintiff-friendly venue, making it a preferred filing destination for patent assertion entities and technology companies alike.
The Stingray ruling prevents foreign defendants from gaming the Rule 4(k)(2) framework by manufacturing an alternative jurisdictional hook to escape the plaintiff’s chosen forum. For patent owners pursuing foreign infringers, the decision strengthens their ability to maintain suit in their chosen district. For foreign technology companies facing patent suits in venues they consider unfavorable, the decision forecloses a strategy that several had attempted with some success before the Federal Circuit weighed in definitively.