Fingon LLC vs. Samsung: Voluntary Dismissal in Mobile Security Patent Case
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📋 Case Summary
| Case Name | Fingon LLC v. Samsung Electronics Co., Ltd. |
| Case Number | 2:25-cv-01101 (E.D. Texas) |
| Court | U.S. District Court for the Eastern District of Texas |
| Duration | Nov 2025 – Feb 2026 93 days |
| Outcome | Defendant Win — Dismissal With Prejudice |
| Patents at Issue | |
| Accused Products | Samsung Galaxy S25 Series Smartphones |
Case Overview
The Parties
⚖️ Plaintiff
A non-practicing entity (NPE) focused on monetizing patent portfolios through licensing or litigation. No disclosed operational address.
🛡️ Defendant
One of the world’s largest consumer electronics manufacturers, with a dominant position in the global smartphone market.
The Patents at Issue
This case involved five U.S. patents broadly covering secure communications and network authentication technology. The application numbers suggest a continuation family structure, with root applications traceable to 2013 filings.
- • US9432348B2 — (App. No. 13/866687) Secure communications technology
- • US10270776B2 — (App. No. 15/247193) Network authentication technology
- • US11201869B2 — (App. No. 16/388145) Advanced mobile security features
- • US10484338B2 — (App. No. 16/034611) Secure data transmission
- • US9742735B2 — (App. No. 13/861724) Mobile device authentication
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The Verdict & Legal Analysis
Outcome
On February 6, 2026, the court accepted Plaintiff Fingon LLC’s Notice of Voluntary Dismissal With Prejudice pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(i). The case closed just 93 days after filing, with no damages awarded or settlement terms publicly disclosed.
Key Legal Issues
Because dismissal preceded any substantive adjudication, there is no judicial ruling on infringement, validity, or claim construction. The “with prejudice” designation means Fingon permanently extinguished its right to assert these five patents against Samsung for the Galaxy S25 in federal court. The standard “each party bears its own costs” language also forecloses any fee-shifting under 35 U.S.C. § 285.
Strategic Implications & Freedom to Operate (FTO)
This case highlights critical IP risks in mobile security. Choose your next step:
📋 Understand Litigation Patterns
Learn about the specific dynamics and strategic implications of this dismissal.
- Analyze NPE assertion trends in E.D. Texas
- Examine swift dismissal outcomes for similar cases
- Track continuation patent family deployment
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NPE Activity
Fingon LLC remains an active patent asserter
5 Patents Enforceable
Against other parties & products
93 Day Dismissal
Signals pre-answer resolution tactics
✅ Key Takeaways
Voluntary dismissal with prejudice permanently closes the door on reasserting the same claims against the same accused product.
Search related case law →No § 285 fee recovery is available to defendants when plaintiff voluntarily dismisses pre-answer.
Explore precedents →Frequently Asked Questions
Five U.S. patents: US9432348B2, US10270776B2, US11201869B2, US10484338B2, and US9742735B2, covering secure communications technology and filed as application continuations beginning in 2013.
Plaintiff Fingon LLC filed a voluntary notice of dismissal with prejudice under FRCP Rule 41(a)(1)(A)(i). The court accepted the notice without substantive ruling on infringement or validity. No public reason for the withdrawal was stated.
Fingon permanently forfeited the right to assert these five patents against Samsung’s Galaxy S25. The patents remain valid and enforceable against other defendants and products.
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References
- USPTO Patent Public Search – US9432348B2
- PACER Case Lookup – Case No. 2:25-cv-01101
- LexMachina – E.D. Texas Patent Litigation Trends
- Cornell Legal Information Institute — FRCP Rule 41(a)(1)(A)(i)
- Cornell Legal Information Institute — 35 U.S.C. § 285
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.