DigitalDoors v. BNC National Bank: Voluntary Dismissal After 202 Days
DigitalDoors Incorporated filed suit against BNC National Bank in the Arizona District Court, asserting four patents covering digital data security infrastructure and granular secure storage. The plaintiff voluntarily dismissed the entire action without prejudice under Rule 41(a)(1)(A)(i) after 202 days of litigation.
Four data-security patents, one bank defendant, 202 days
DigitalDoors Incorporated filed Case No. 2:25-cv-03999 in the Arizona District Court on 24 October 2025 before Judge Dominic W. Lanza. The complaint asserted infringement of four US patents — US10250639B2, US10182073B2, US9734169B2, and US9015301B2 — each covering distinct aspects of digital information infrastructure, including secure granular data stores, content analysis and classification tools, distribution controls, and variable configurable filters for segmental data storage. The defendant, BNC National Bank, is a financial institution.
The recorded Basis of Termination is 'Voluntary dismissal.' The docket order states that plaintiff DigitalDoors, Inc. gave notice of voluntary dismissal of the action in its entirety without prejudice, pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(i). The case closed on 14 May 2026. The specific terms, if any, underlying the dismissal are not disclosed in the available public record.
A Rule 41(a)(1)(A)(i) dismissal can be filed by a plaintiff as of right before the defendant serves an answer or a motion for summary judgment. The 202-day litigation window suggests the case was resolved — or at least formally closed — before substantive merits adjudication. What drove the decision to dismiss at this stage, and whether any collateral arrangements influenced the timing, is not disclosed in the public record.
See Complete Case & Patent Analysis →Filing to Voluntary dismissal in 202 days
202 days from filing to voluntary dismissal — a relatively short contested window for a four-patent infringement action
US10250639B2 — Digital information infrastructure and secure data storage
Any company building or deploying digital data infrastructure tools that incorporate granular data stores, content classification engines, configurable data filters, or secure distribution controls should treat this patent family as a live FTO priority. Financial institutions, fintech platforms, cloud service providers, and enterprise data governance vendors are the primary risk categories. The without-prejudice dismissal confirms these patents are not exhausted.
Official order — verbatim text
The docket records a Rule 41(a)(1)(A)(i) notice of voluntary dismissal without prejudice, filed unilaterally by DigitalDoors. This procedural mechanism requires no judicial approval and produces no merits ruling on infringement or validity of the four asserted patents. The absence of a substantive disposition means neither party obtained a binding finding — leaving the IP landscape unchanged.
Voluntarily dismissed: what the Rule 41 exit means for both parties
Rule 41(a)(1)(A)(i): plaintiff's right to exit without a court order
Under Federal Rule of Civil Procedure 41(a)(1)(A)(i), a plaintiff may dismiss an action without a court order by filing a notice of dismissal before the opposing party serves an answer or a motion for summary judgment. This is a unilateral procedural right — no judicial approval is required. The docket records the dismissal as having been filed on this basis, ending the action as of 14 May 2026.
No court order requiredWithout prejudice: the patents remain available for future enforcement
The docket order expressly states the dismissal was 'without prejudice,' meaning DigitalDoors retains the right to re-file claims on the same four patents against BNC National Bank or other defendants in the future, subject to applicable statutes of limitations and any other procedural constraints. A 'with prejudice' dismissal would permanently bar re-filing; the public record here is clear that this dismissal was without prejudice.
Patents remain enforceableBNC National Bank exits without a merits ruling or injunction
BNC National Bank obtains a clean exit from this particular action with no judgment against it and no findings on infringement, validity, or damages. However, because the dismissal is without prejudice, the bank cannot treat this resolution as a permanent clearance of the asserted patents. Continued exposure to re-filed claims on US10250639B2 and the three co-asserted patents is a realistic scenario.
No merits adjudicationFinancial sector: no precedent set, patent enforcement risk persists
Because the case ended without a validity or infringement ruling, no precedent was established on the scope of the four DigitalDoors patents. Financial institutions and fintech companies operating digital data infrastructure, secure storage, or data classification tools in the scope of these patents cannot rely on this dismissal as clearing prior art or invalidity arguments. The litigation risk in this technology area remains open.
No sector-wide precedentFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | DigitalDoors Incorporated | Individual | /Search in Eureka ↗ |
| Defendant | BNC National Bank | Company | /Search in Eureka ↗ |
| Plaintiff counsel | Matthew Lawrence Bycer | Attorney | Counsel for DigitalDoors IncorporatedSearch in Eureka ↗ |
| Plaintiff counsel | Michael Benjamin Marion | Attorney | Counsel for DigitalDoors IncorporatedSearch in Eureka ↗ |
| Plaintiff law firm | Bycer & Marion PLC - Phoenix, AZ | Law Firm | Representing DigitalDoors IncorporatedSearch in Eureka ↗ |
| Defendant counsel | Grant D. Fairbairn | Attorney | Counsel for BNC National BankSearch in Eureka ↗ |
| Defendant counsel | Stacey Faith Gottlieb | Attorney | Counsel for BNC National BankSearch in Eureka ↗ |
| Defendant law firm | Fredrikson & Byron PA - Minneapolis | Law Firm | Representing BNC National BankSearch in Eureka ↗ |
| Defendant law firm | Papetti Samuels Weiss Mckirgan, LLP | Law Firm | Representing BNC National BankSearch in Eureka ↗ |
| Presiding judge | Judge Dominic W Lanza | Judge | Arizona District CourtSearch in Eureka ↗ |
R&D signals in the secure data infrastructure space
Forward-looking patent and innovation intelligence derived from DigitalDoors' four-patent assertion and the broader secure data storage and classification technology landscape.
DigitalDoors' multi-generational data security patent family
DigitalDoors asserted four patents spanning multiple application generations (US11/746440 through US14/597345), suggesting an intentional portfolio build-out in data infrastructure security. Monitoring this assignee for continuation filings, divisional applications, or new prosecutions in the granular data store and content classification space is a key intelligence priority for competitors and potential licensees.
Multi-generational portfolioFiling trends in configurable data filters and segmental storage
The asserted patents cover configurable filters and segmental data stores — an architecture increasingly relevant to cloud-native data governance and zero-trust security frameworks. Patent filing activity in this domain has grown as enterprises move sensitive data pipelines to hybrid cloud environments. Tracking IPC/CPC classes aligned with these patents reveals which players are actively building competing IP positions.
Cloud data governance trendBNC National Bank's patent and technology IP footprint
BNC National Bank's own patent portfolio and technology licensing posture in digital data infrastructure is not established by the available litigation record. Analysing any defensive filings, third-party technology agreements, or vendor platform dependencies the bank relies on for data classification and secure storage would clarify its exposure to the DigitalDoors patent family and similar assertions.
Defensive IP analysisAdjacent innovation space: secure data distribution controls
US10182073B2 specifically targets data flow distribution controls within information infrastructure — a function that overlaps with modern API security gateways and data mesh architectures. The patent's prosecution history may define claim boundaries that leave white space for novel distribution control mechanisms not anticipated by the original filings, particularly in real-time streaming and event-driven data environments.
API security white spaceSimilar data security patent infringement cases in Arizona federal courts
Explore comparable data infrastructure and secure storage patent infringement actions filed in Arizona District Court and related federal venues, including voluntary dismissal outcomes.
What this case signals for the data security IP landscape
A four-patent voluntary dismissal without prejudice in financial sector infrastructure keeps enforcement options fully open for DigitalDoors.
Without-prejudice dismissal keeps all four patents in active enforcement play
DigitalDoors has not relinquished any rights. All four patents — covering granular data stores, content classification, distribution controls, and configurable filters — remain asserted-and-active from an enforcement perspective. Competitors and financial technology vendors in this space should monitor DigitalDoors' filing activity closely.
Banks deploying digital data infrastructure face recurring patent risk in this domain
The assertion of four layered data-security patents against a national bank signals that financial institutions' internal data infrastructure tools are within scope for this type of enforcement campaign. In-house IP teams at banks and fintech firms should review freedom-to-operate positions across US10250639B2 and related family members before expanding data classification or secure storage deployments.
Incorporated v BNC — key questions answered
The case was voluntarily dismissed without prejudice by plaintiff DigitalDoors, Inc. under Federal Rule of Civil Procedure 41(a)(1)(A)(i). The case closed on 14 May 2026, 202 days after filing. No merits ruling on infringement or validity was issued. The specific terms underlying the dismissal are not disclosed in the available public record.
DigitalDoors asserted four US patents: US10250639B2 (digital information infrastructure and security-designated granular data stores), US10182073B2 (information infrastructure management with distribution controls), US9734169B2 (information infrastructure with extractor, secure storage, and content classification), and US9015301B2 (information infrastructure with variable configurable filters and segmental data stores).
No. A dismissal without prejudice does not bar future litigation. DigitalDoors retains the right to re-file claims on any or all four asserted patents against BNC National Bank or other defendants, subject to applicable statutes of limitations. A 'with prejudice' dismissal would have permanently foreclosed re-filing; this case was expressly dismissed without prejudice.
Rule 41(a)(1)(A)(i) allows a plaintiff to dismiss an action as of right — without a court order — by filing a notice of dismissal before the opposing party serves an answer or a motion for summary judgment. The dismissal is effective on filing and requires no judicial approval. Unless the notice specifies otherwise, a Rule 41(a)(1) dismissal is without prejudice by default under Rule 41(a)(1)(B) (for first-time dismissals).
The four asserted patents collectively cover granular secure data stores, content classification, distribution controls, and configurable segmental filters — functions embedded in many enterprise data governance and fintech platforms. The without-prejudice dismissal leaves all four patents enforceable. Financial institutions and technology vendors building or procuring tools in these categories should conduct FTO analysis against the DigitalDoors patent family before expanding deployments.
This page is compiled from public court dockets and third-party patent and litigation data via PatSnap Eureka, and is provided for general informational purposes only. The information shown — including party names, patent and application numbers, dates, case status, outcomes, and any analysis — may be incomplete, may not reflect the most recent filings or legal status, and may contain errors or omissions. Verify all details against official court records (for example, PACER) and the relevant patent office before relying on them.
Nothing on this page constitutes legal advice or a legal opinion on the validity, infringement, enforceability, or scope of any patent or case, and no attorney‑client relationship is created by its use. Any description of an outcome (such as a dismissal, settlement, or consent judgment) is a general summary, not a legal determination. All patents, trademarks, and company or law‑firm names are the property of their respective owners. PatSnap makes no warranty as to the accuracy or completeness of this content and disclaims, to the fullest extent permitted by law, all liability for reliance on it. For advice on a specific matter, consult qualified legal counsel.
PatSnap Eureka searches patents and litigation data to answer instantly.