Illinois Court Rules for Defendant in Prenatal Monitoring Patent Dispute
What would you like to do next?
Choose your path based on your current needs:
📋 Case Summary
| Case Name | Fitch, Even, Tabin and Flannery, LLP v. Dorsey et al. |
| Case Number | 1:25-cv-03141 |
| Court | U.S. District Court for the Northern District of Illinois |
| Duration | Mar 2025 – Feb 2026 335 Days (~11 Months) |
| Outcome | Defendant Win — No Damages |
| Patents at Issue | |
| Accused Products | Prenatal physiological monitoring apparatus and method |
Case Overview
The Parties
⚖️ Plaintiff
A well-established Chicago-based intellectual property law firm with a long-standing reputation in patent prosecution and IP portfolio management.
🛡️ Defendant
Aligned with the development or commercialization of prenatal monitoring technology, with Prenatal-Hope, Inc. focused on maternal-fetal health.
The Patent at Issue
This litigation centered on **U.S. Patent No. US11622705B2**, covering an *apparatus and method for determining physiological parameters of an infant in-utero* — a technology with meaningful implications for prenatal care innovation and the competitive medical monitoring market.
- • US11622705B2 — Apparatus and method for non-invasively determining physiological parameters of an infant in-utero
Developing a prenatal monitoring device?
Check for potential infringement before launch with PatSnap Eureka’s FTO tools.
The Verdict & Legal Analysis
Outcome
The court entered a verdict **in favor of defendants Tammy E. Dorsey, James R. Balman, and Prenatal-Hope, Inc.**, and against plaintiff Fitch, Even, Tabin and Flannery, LLP. No damages were awarded to the plaintiff. This outcome underscores critical lessons for patent prosecutors, IP litigators, and R&D teams operating in the medtech space.
Key Legal Issues
The verdict favoring the defendants could stem from a finding of non-infringement, invalidity of the asserted claims (e.g., due to anticipation, obviousness, or enablement issues), or a procedural ruling. The case involved a granted utility patent (US11622705B2) with claims scope around in-utero physiological parameter measurement, where claim construction battles frequently center on the scope of method steps and apparatus limitations in medtech.
Freedom to Operate (FTO) Analysis in Prenatal Monitoring
This case highlights crucial IP risks in the rapidly evolving prenatal monitoring sector. Choose your next step:
📋 Understand This Case’s Impact
Learn about the specific risks and implications from this litigation for medtech.
- View the patent family of US11622705B2
- See which companies are active in fetal monitoring patents
- Understand claim construction patterns in medtech
🔍 Check My Product’s Risk
Run a comprehensive FTO analysis for your own medical device or technology.
- Input your product description or technical features
- AI identifies potentially blocking patents in medtech
- Get actionable risk assessment report
High Risk Area
In-utero physiological monitoring methods
Single Patent
US11622705B2 at issue
Efficient Resolution
Case closed in 335 days
✅ Key Takeaways
Defendant-favorable verdicts in infringement actions can arise from non-infringement, invalidity, or procedural grounds — each requiring distinct litigation preparation.
Search related case law →The 335-day resolution suggests early dispositive motion practice; study this docket for efficient defense frameworks.
Explore precedents →Frequently Asked Questions
The case centered on U.S. Patent No. US11622705B2 (Application No. US17/555256), covering an apparatus and method for determining physiological parameters of an infant in-utero.
The specific basis of termination was not disclosed in publicly available case data. The verdict in favor of defendants Dorsey, Balman, and Prenatal-Hope, Inc. may reflect a finding of non-infringement, patent invalidity, or a procedural ruling. Full analysis requires review of the PACER docket for case 1:25-cv-03141.
The outcome signals that infringement assertions in the fetal monitoring space are contestable and that defendants with strong technical and legal defenses can prevail even against experienced IP plaintiff firms.
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
- PACER — U.S. District Court for the Northern District of Illinois, Case 1:25-cv-03141
- USPTO Patent Center — U.S. Patent No. US11622705B2
- Cornell Legal Information Institute — 35 U.S. Code Patent Laws
- 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.