Stache Products v. TK Vienna: Dab Rig Patent Dispute Ends in Voluntary Dismissal
What would you like to do next?
Choose your path based on your current needs:
Learn from this case
Understand the legal analysis, timeline, and key takeaways
RecommendedCheck my product’s risk
Run FTO analysis for your own technology or product
Explore patent landscape
View related patents and competitive intelligence
📋 Case Summary
| Case Name | Stache Products, LLC v. TK Vienna, Inc. |
| Case Number | 5:23-cv-04267 (E.D. Pa.) |
| Court | U.S. District Court for the Eastern District of Pennsylvania |
| Duration | Nov 2023 – Mar 2024 140 days |
| Outcome | Plaintiff Voluntary Dismissal (with prejudice) |
| Patents at Issue | |
| Accused Products | Dab rig products by TK Vienna, Inc. |
Case Overview
The Parties
⚖️ Plaintiff
U.S.-based company operating in the cannabis accessories market, specifically developing and commercializing dab rig technology. Holds an IP portfolio covering both utility and ornamental design innovations.
🛡️ Defendant
Accused party in this infringement action, manufacturing or selling dab rig products. No defendant counsel of record appears in the case data.
Patents at Issue
Stache Products asserted four U.S. patents against TK Vienna, Inc., targeting their dab rig products. This multi-patent strategy is common in consumer product IP litigation, combining both functional and aesthetic protections.
- • US10786006B2 — Utility patent covering dab rig technology.
- • US11497244B2 — Utility patent in the dab rig product space.
- • US11497252B2 — Utility patent, related continuation family.
- • USD0872933S — Design patent covering ornamental aspects of a dab rig product.
Developing a new dab rig product?
Ensure your design and functionality are clear of existing patents before launch.
The Verdict & Legal Analysis
Outcome
On **March 21, 2024**, Stache Products, LLC filed a voluntary dismissal pursuant to **Federal Rule of Civil Procedure 41(a)(1)(A)(i)**, dismissing the lawsuit **with prejudice**. Each party was to bear its own costs, attorneys’ fees, and expenses. No damages were awarded, and no injunctive relief was granted. The case concluded without any judicial finding on patent validity or infringement.
Key Legal Issues
A dismissal under Fed. R. Civ. P. 41(a)(1)(A)(i) is filed unilaterally by the plaintiff before the opposing party serves an answer or a motion for summary judgment. “With prejudice” means Stache Products cannot refile these same patent claims against TK Vienna for the same accused conduct, constituting a final adjudication on the merits. This type of early dismissal often suggests a private, confidential settlement, a commercial reassessment by the plaintiff, or voluntary compliance by the defendant. The absence of defendant counsel on record is a notable procedural detail, indicating resolution likely occurred early in the litigation process.
Consequently, **US10786006B2**, **US11497244B2**, **US11497252B2**, and **USD0872933S** remain untested in adversarial litigation. This status is important for future enforcement or licensing negotiations involving these patents. The design patent assertion alongside utility patents reflects a comprehensive IP enforcement strategy, highlighting the growing importance of design patents in consumer product protection.
Freedom to Operate (FTO) Analysis
This case highlights critical IP risks in the cannabis accessories market. Choose your next step:
📋 Understand This Case’s Impact
Learn about the specific risks and implications from this litigation.
- View all related patents in the dab rig technology space
- See which companies are most active in cannabis IP
- Understand claim construction patterns for dab rigs
🔍 Check My Product’s Risk
Run a comprehensive FTO analysis for your own dab rig or vape technology.
- Input your product description or technical features
- AI identifies potentially blocking patents (utility and design)
- Get actionable risk assessment report
High Risk Area
Dab rig designs and functional components
Active Patent Landscape
Growing IP in cannabis accessories
Proactive FTO
Essential for new market entrants
✅ Key Takeaways
Voluntary dismissal with prejudice signals likely confidential settlement — monitor licensing activity in the cannabis accessories IP space.
Search related case law →Multi-patent assertion (utility + design) is an effective early-settlement leverage strategy in consumer product IP.
Explore similar strategies →Frequently Asked Questions
Stache Products asserted four patents: utility patents US10786006B2, US11497244B2, and US11497252B2, plus design patent USD0872933S — all covering dab rig product technology.
Stache Products filed a unilateral voluntary dismissal under Fed. R. Civ. P. 41(a)(1)(A)(i). A with-prejudice dismissal permanently bars refiling the same claims against TK Vienna, most commonly indicating a negotiated private resolution.
The asserted patents remain valid and untested by courts — available for future enforcement against other market participants in the cannabis accessories space.
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
- USPTO Patent Search — US10786006B2
- PACER Case Lookup — 5:23-cv-04267
- U.S. District Court for the Eastern District of Pennsylvania
- Cornell Legal Information Institute — Federal Rule of Civil Procedure 41
- U.S. Patent and Trademark Office — Design Patent Resources
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.