Random Chat, LLC v. TE Connectivity: Dismissed Under Rule 4(m) for Failure to Serve

Introduction

A patent infringement lawsuit filed in Pennsylvania’s Eastern District Court ended not with a merits ruling, but with a procedural dismissal—offering a pointed reminder that even well-founded patent claims can collapse before ever reaching substantive review. In Random Chat, LLC v. TE Connectivity Corporation (Case No. 2:25-cv-06156), the plaintiff’s multimedia communication patent infringement action was dismissed without prejudice on February 11, 2026, after just 105 days—terminated under Rule 4(m) of the Federal Rules of Civil Procedure for failure to timely serve the defendant.

The case centered on U.S. Patent No. 8,402,099 B2, covering systems and methods related to video, audio, and text-based chat communication. The accused conduct involved TE Connectivity Corporation’s alleged instruction of customers through website materials and product manuals on the use of such multimedia communication technology.

For patent attorneys, IP professionals, and R&D teams, this case is a textbook example of how procedural missteps—not substantive patent law—can determine litigation outcomes. The technology area at issue, multimedia communication patent infringement, remains highly active, making the procedural lessons here especially timely.

Case Overview

The Parties

The Patent at Issue

This case involved **U.S. Patent No. 8,402,099 B2** (Application No. 12/675,046), covering technology in the multimedia communication domain—specifically systems enabling video, audio, and/or text chat between terminals. The patent addresses foundational methods for instructing and facilitating real-time communication between users across digital platforms.

• • US 8,402,099 B2 — Systems and methods for video, audio, and/or text-based chat communication.

Litigation Timeline & Procedural History

Filed on October 29, 2025, in the U.S. District Court for the Eastern District of Pennsylvania, the case was assigned to Chief Judge Paul S. Diamond. Under Rule 4(m), a plaintiff must serve the defendant within 90 days of filing the complaint. The court issued an Order to Show Cause, and after reviewing the plaintiff’s response, Chief Judge Diamond ordered dismissal without prejudice on February 11, 2026, exactly 105 days after filing.

The absence of any defense filings confirms that service on TE Connectivity was never completed, and the matter never advanced to answer, claim construction, or discovery.

The Verdict & Legal Analysis

Outcome

The case was dismissed without prejudice pursuant to Rule 4(m) of the Federal Rules of Civil Procedure. No damages were awarded. No injunctive relief was granted or denied on the merits. The Clerk of Court was ordered to close the case.

A dismissal without prejudice is legally significant: it does not constitute an adjudication on the merits. Random Chat, LLC retains the theoretical ability to refile the action, subject to applicable statutes of limitations and any intervening procedural or equitable bars.

Verdict Cause Analysis

The dismissal was purely procedural—driven not by patent invalidity, non-infringement findings, or claim construction disputes, but by the plaintiff’s failure to achieve timely service of process. Rule 4(m) provides courts with authority to dismiss actions where the plaintiff cannot demonstrate good cause for failing to serve within the prescribed 90-day window.

The court’s issuance of an Order to Show Cause indicates that Judge Diamond followed proper procedural protocol by affording the plaintiff an opportunity to justify the delay before ordering dismissal. The plaintiff’s filed response (Doc. No. 7) was evidently insufficient to establish good cause or prompt the court to extend the service deadline in its discretion.

No claim construction order was issued. No Markman hearing was scheduled. The substantive merits of U.S. Patent No. 8,402,099 B2—its validity, scope, or alleged infringement by TE Connectivity—were never adjudicated.

Legal Significance

This case reinforces that procedural compliance is a threshold requirement in patent litigation, irrespective of the strength of the underlying infringement claims. Courts in the Eastern District of Pennsylvania consistently enforce Rule 4(m) deadlines, and this dismissal reflects the court’s expectation that patent plaintiffs manage basic litigation mechanics with the same rigor applied to claim drafting and prosecution strategy.