Missed Call, LLC v. RingCentral, Inc.: Voluntary Dismissal in Missed Call Patent Dispute
What would you like to do next?
Choose your path based on your current needs:
📋 Case Summary
| Case Name | Missed Call, LLC v. RingCentral, Inc. |
| Case Number | 3:23-cv-06728 |
| Court | United States District Court for the Northern District of California |
| Duration | Dec 31, 2023 – Mar 11, 2024 71 days |
| Outcome | Defendant Win — Voluntary Dismissal with Prejudice |
| Patents at Issue | |
| Accused Products | RingCentral’s communications platform functionality (missed call notifications) |
Case Overview
The Parties
⚖️ Plaintiff
Non-practicing entity (NPE) asserting rights under a communications technology patent.
🛡️ Defendant
Publicly traded cloud communications company offering unified communications-as-a-service (UCaaS) platforms.
The Patent at Issue
This case involved a single patent covering fundamental communications technology. Patents are registered with the U.S. Patent and Trademark Office (USPTO).
- • US 9,531,872 B2 — Communication apparatus and methods for indicating missed calls
Developing a new communications feature?
Check if your cloud communications technology might infringe this or related patents before launch.
The Verdict & Legal Analysis
Outcome
The case was terminated via **voluntary dismissal with prejudice** pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(i). Critically, no damages were awarded, and no injunctive relief was granted. Each party bore its own costs, expenses, and attorneys’ fees. This early dismissal highlights the strategic dynamics of patent assertion, particularly against well-resourced defendants.
Key Legal Issues
The plaintiff filed under the standard infringement action framework but chose to exit before RingCentral mounted a formal defense on the merits. The **with-prejudice** designation is particularly significant: Missed Call, LLC relinquished the right to reassert US 9,531,872 B2 against RingCentral in future litigation. This procedural outcome, achieved without RingCentral filing an answer or a motion for summary judgment, underscores the importance of a swift and credible defense strategy.
Freedom to Operate (FTO) Analysis & Risks
This case highlights critical IP risks in cloud communications. Choose your next step:
📋 Understand This Case’s Impact
Learn about the specific risks and implications from this litigation.
- View 1 related patent in this technology space
- See NPE activity in cloud communications
- Understand dismissal strategies
🔍 Check My Product’s Risk
Run a comprehensive FTO analysis for your own technology or product.
- Input your product description or technical features
- AI identifies potentially blocking patents
- Get actionable risk assessment report
High Risk Area
Missed call notification features
1 Related Patent
In telecommunications space
Strategic Exits
Possible with proactive defense
✅ Key Takeaways
Rule 41(a)(1)(A)(i) dismissals with prejudice offer a clean exit but permanently foreclose reassertion against that defendant.
Search related case law →Engaging experienced IPR-capable defense counsel can credibly threaten patent validity challenges, influencing early dismissals.
Explore defense strategies →Cloud communications and UCaaS platforms face persistent NPE exposure on foundational telephony patents.
Track NPE activity →Proactive FTO analysis and patent landscaping are essential for any company deploying call-handling or notification features.
Explore FTO solutions →Frequently Asked Questions
The case involved U.S. Patent No. 9,531,872 B2 (Application No. US 13/811,195), covering a communication apparatus and method for providing an indication about a missed call.
Plaintiff Missed Call, LLC filed a voluntary notice of dismissal under FRCP 41(a)(1)(A)(i) before RingCentral answered or moved for summary judgment. The with-prejudice designation means Missed Call, LLC cannot reassert this patent against RingCentral.
It reflects continued NPE assertion activity targeting UCaaS providers and highlights the strategic value of early, well-resourced defense in deterring prolonged patent litigation.
Ready to Strengthen Your Patent Strategy?
Join 18,000+ IP professionals using PatSnap Eureka to conduct prior art searches, draft patents, and analyse competitive landscapes with AI-powered precision.
References
- Case Docket – PACER (Case No. 3:23-cv-06728)
- US Patent 9,531,872 B2 – USPTO Patent Center
- Northern District of California Court Information
- PatSnap — IP Intelligence Solutions for Law Firms
This article is for informational purposes only and does not constitute legal advice. All case information is drawn from publicly available court records. For platform capabilities, visit PatSnap.