RECEPTREXX LLC vs. Sound United: Voluntary Dismissal in Audio Patent Case
📋 Case Summary
| Case Name | RECEPTREXX LLC v. Sound United, LLC |
| Case Number | 1:24-cv-03200 (D.N.J.) |
| Court | U.S. District Court for the District of New Jersey |
| Duration | Mar 15, 2024 – Mar 28, 2024 13 Days |
| Outcome | Plaintiff Voluntary Dismissal (Without Prejudice) |
| Patents at Issue | |
| Accused Products | Audio hush systems for entertainment equipment and television receivers |
Case Overview
The Parties
⚖️ Plaintiff
A patent assertion entity (PAE) or licensing-focused entity that brought the infringement claim based on ownership of U.S. Patent No. 7,012,652 B1.
🛡️ Defendant
A well-established player in the premium consumer audio market, operating brands including Denon, Marantz, Polk Audio, Bowers & Wilkins, and Classe Audio.
The Patent at Issue
This case centered on a single patent covering automatic audio management technology. U.S. Patent No. 7,012,652 B1 is registered with the U.S. Patent and Trademark Office (USPTO) and specifically addresses audio hush technology for entertainment equipment and television receivers.
- • US 7,012,652 B1 — Covers mechanisms that control or suppress audio output in television and related equipment.
Developing audio management features?
Check if your product’s audio hush or control systems might infringe this or related patents before launch.
The Verdict & Legal Analysis
Outcome
This case was terminated by **voluntary dismissal without prejudice**, filed by Plaintiff RECEPTREXX LLC pursuant to **Federal Rule of Civil Procedure 41(a)(1)(A)(i)**. No damages were awarded, and no injunctive relief was granted or denied. The swift closure just 13 days after filing highlights the tactical use of voluntary dismissals in early-stage patent litigation.
Key Legal Issues
The dismissal was entered **without prejudice**, meaning RECEPTREXX LLC retains the legal right to refile the same claims against Sound United in the future. Critically, because the case closed before the defendant filed any answer or moved for summary judgment, no merits-based determination was made regarding the patent’s validity or infringement. This preserves the patent’s full assertion potential intact.
Freedom to Operate (FTO) Analysis
This case highlights critical IP risks in audio technology. Choose your next step:
📋 Understand This Case’s Impact
Learn about the specific risks and implications from this litigation.
- View all related patents in this audio technology space
- See which companies are most active in audio management patents
- Understand claim construction patterns for similar tech
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- Input your product description or technical features
- AI identifies potentially blocking patents
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High Risk Area
Audio hush and automatic volume control systems
1 Patent
Directly in this case, more in related space
Design-Around Options
Available for many audio control claims
✅ Key Takeaways
Rule 41(a)(1)(A)(i) dismissals are low-cost strategic resets, preserving patents from immediate validity challenge.
Search related case law →Without-prejudice status means potential refiling; continuous monitoring of assertion patterns is advisable.
Explore precedents →Proactive freedom-to-operate (FTO) analysis is crucial, especially for features like audio hush and automatic volume control.
Start FTO analysis for my product →Defensive IPR petition strategy against U.S. 7,012,652 B1 should be evaluated for companies in the audio technology space.
Try AI prior art search →Frequently Asked Questions
U.S. Patent No. 7,012,652 B1 (Application No. US 10/338,096), covering audio hush technology for entertainment equipment and television receivers.
Plaintiff RECEPTREXX LLC filed a voluntary dismissal without prejudice under FRCP 41(a)(1)(A)(i) before the defendant answered — no merits determination was made.
Yes. A without-prejudice dismissal preserves the plaintiff’s right to refile the same claims, subject to applicable statutes of limitations.
A voluntary dismissal without prejudice means the court has not ruled on the merits of the case. The plaintiff can refile the lawsuit later, but the defendant may seek attorney’s fees if the dismissal is deemed abusive. For the patent, it remains valid and enforceable, with no judicial determination regarding its enforceability or claim scope.
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PatSnap IP Intelligence Team
Patent Research & Competitive Intelligence · PatSnap
This analysis was produced by the PatSnap IP Intelligence Team — a group of patent analysts, IP strategists, and data scientists who work daily with PatSnap’s global patent database of over 2 billion structured data points across patents, litigation records, scientific literature, and regulatory filings.
The team specialises in tracking landmark litigation outcomes, translating complex court rulings into actionable IP strategy, and identifying the competitive intelligence implications for R&D and legal teams. All case analysis is grounded in primary sources: official court records, USPTO filings, and Federal Circuit opinions.
References
- PACER Case Locator – 1:24-cv-03200 (District of New Jersey)
- Google Patents – US 7,012,652 B1
- U.S. Patent and Trademark Office — Patent Search
- Cornell Legal Information Institute — Federal Rule of Civil Procedure 41
- 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.
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