Network Apps v. AT&T: Mobile Patent Infringement Case Dismissed After 4+ Years
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📋 Case Summary
| Case Name | Network Apps, LLC v. AT&T, Inc. |
| Case Number | 1:21-cv-00718 (SDNY) |
| Court | U.S. District Court for the Southern District of New York |
| Duration | Jan 2021 – Jun 2025 4 years 5 months / 1,604 days |
| Outcome | Defendant Win – All Claims Dismissed with Prejudice |
| Patents at Issue | |
| Accused Products | AT&T’s myaNumber-autoMode™ product |
Case Overview
The Parties
⚖️ Plaintiff
Network Apps, LLC, joined by co-inventors John Wantz and Kyle Schei, pursued infringement claims against the AT&T corporate family.
🛡️ Defendant
AT&T, Inc., AT&T Services, Inc., AT&T Mobility, LLC, and AT&T Corp. — the multi-entity defendant structure characteristic of major telecommunications carriers.
Patents at Issue
Plaintiffs asserted six U.S. patents, all relating to mobile networking and communications application technology:
- • US9438728B2 — Mobile networking and communications application
- • US9723462B2 — Mobile networking and communications application
- • US10057738B2 — Mobile networking and communications application
- • US10200832B2 — Mobile networking and communications application
- • US10484846B2 — Mobile networking and communications application
- • US10750332B2 — Mobile networking and communications application
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The Verdict & Legal Analysis
Outcome
The case terminated via stipulated dismissal under Federal Rule of Civil Procedure 41(a)(1)(A)(ii), with all claims dismissed with prejudice against AT&T. No damages amount was publicly disclosed.
Key Legal Issues
The dismissal of the inventorship claim (Count 4) with prejudice and without preserved appeal rights suggests it was either conceded or resolved. The breach of contract claim also hints at a contractual relationship between plaintiffs and AT&T. No merits ruling was issued.
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⚠️ Freedom to Operate (FTO) Analysis
This case highlights critical IP risks in mobile networking and application design. Choose your next step:
📋 Understand This Case’s Impact
Learn about the specific risks and implications from this litigation.
- View all 6 related patents in this technology space
- See which companies are most active in mobile networking patents
- Understand procedural resolution patterns
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High Risk Area
Mobile networking and application features
6 Asserted Patents
In mobile networking space
Design-Around Options
Available for most claims
✅ Key Takeaways
For Patent Attorneys
Rule 41(a)(1)(A)(ii) stipulated dismissal with prejudice represents a complete plaintiff concession — structurally stronger for defendants than settlement.
Search related case law →Asymmetric appellate preservation in the stipulation (Counts 1–3 preserved, Count 4 not) signals strategic case management in resolution negotiations.
Explore precedents →For R&D Teams
Automated number management and mobile call routing features carry demonstrable patent assertion risk — FTO clearance is essential.
Start FTO analysis for my product →Employment and development contracts governing IP ownership should be reviewed proactively to prevent inventorship disputes.
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