Daedalus Blue v. Microsoft: 5-Patent Cloud Infringement Case Settled After 751 Days
Daedalus Blue LLC brought a five-patent infringement action against Microsoft in the Western District of Texas, targeting cloud virtualization, data replication, and scalable hosting technologies. The parties entered a Settlement Agreement on December 30, 2022, with the court retaining jurisdiction to enforce its financial terms — resolving the case 751 days after filing.
Five-Patent Cloud IP Dispute Ends in Settlement with Financial Enforcement Hook
Daedalus Blue, LLC filed suit against Microsoft Corporation on December 16, 2020, in the Western District of Texas before Judge Alan D. Albright. The complaint asserted five U.S. patents — US7177886B2, US8381209B2, US7437730B2, US8671132B2, and US8572612B2 — covering technologies including logical data replication, autonomic virtual machine scaling, hypervisor access control lists, scalable on-demand hosting, and policy-based data management, all core to modern cloud computing infrastructure.
The recorded Basis of Termination is 'Case Settled.' The docket order, entered January 6, 2023, reflects a joint motion under Fed. R. Civ. P. 41(a)(2) dismissing all of Daedalus Blue's claims with prejudice, with each party bearing its own attorneys' fees, costs, and expenses. The court further ordered that it shall retain jurisdiction to enforce the financial terms of Section 2 of the parties' Settlement Agreement dated December 30, 2022. Microsoft filed no counterclaims. The specific financial terms of Section 2 are not disclosed in the available public record.
The case ran for 751 days before resolution — a timeline consistent with settlement negotiations occurring after substantive pre-trial proceedings had progressed. The court's express retention of jurisdiction to enforce the financial terms of the agreement is a notable structural element, suggesting the parties anticipated the possibility of future enforcement proceedings. What those financial obligations entail, and which party bears them, is not disclosed in the public record.
See Complete Case & Patent Analysis →Filing to Case Settled in 751 days
751 days — above median for W.D. Texas patent cases under Judge Albright
US7177886B2 — Logical Data Replication Coordination for Cloud Infrastructure
Any organization deploying or developing cloud infrastructure products touching data replication, virtual machine auto-scaling, hypervisor-level access control, on-demand hosting platforms, or policy-driven data management should evaluate exposure against these five patents. The settlement's dismissal with prejudice binds only Microsoft — all other parties remain potential targets. Vendors offering IaaS, PaaS, private cloud, or hybrid cloud orchestration are squarely within scope.
Official order — verbatim text
The court's January 6, 2023 order grants the parties' joint motion and dismisses all of Daedalus Blue's claims with prejudice under Rule 41(a)(2), consistent with the recorded Basis of Termination of 'Case Settled.' The order's most consequential element is the express retention of jurisdiction to enforce the financial terms of Section 2 of the Agreement — a provision that keeps the court's supervisory authority active post-dismissal. The specific content of Section 2 is not disclosed in the public record.
Settlement: what the agreed resolution means for both parties
Settlement with court-retained jurisdiction — not a clean exit
The case ended via a joint motion under Fed. R. Civ. P. 41(a)(2), dismissing all claims with prejudice pursuant to a Settlement Agreement dated December 30, 2022. Critically, the court retained jurisdiction to enforce the financial terms of Section 2 of the Agreement — meaning the litigation framework remains available to the parties if financial obligations are disputed. This is a legally significant carve-out that distinguishes this resolution from a simple dismissal.
Dismissal with prejudice + financial enforcement hookDaedalus Blue's claims dismissed with prejudice — no re-filing on these patents against Microsoft
Dismissal with prejudice extinguishes Daedalus Blue's right to reassert the same five patents against Microsoft in future litigation. In exchange, the Settlement Agreement contains financial terms (Section 2) whose specifics are not disclosed in the public record. Each party bears its own legal costs, suggesting neither party extracted a cost-shifting victory at the litigation level.
Claims barred from re-filing against MicrosoftMicrosoft avoids a merits ruling — but financial obligations remain undisclosed
Microsoft filed no counterclaims and secured dismissal with prejudice of all infringement claims without a court ruling on validity or infringement. This preserves Microsoft's freedom to operate without an adverse judicial finding on any of the five asserted patents. However, the court's retained jurisdiction to enforce Section 2's financial terms means Microsoft's obligations under the settlement are not fully extinguished from the court's supervisory reach.
No adverse merits ruling; financial terms undisclosedCloud IP enforcement signals: five patents, no validity ruling
Because the case settled without any merits adjudication, the five asserted patents remain unchallenged on validity or infringement by this proceeding. Other cloud and virtualization vendors operating in the data replication, hypervisor ACL, and scalable hosting spaces should note that these patents have not been invalidated by this case. Daedalus Blue retains enforcement rights against third parties across its broader portfolio.
Patents remain valid and enforceable against third partiesFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Daedalus Blue, LLC | Company | Patent assertion entity — holder of US7177886B2 and 4 cloud/virtualization patentsSearch in Eureka ↗ |
| Defendant | Microsoft, Co. | Company | Microsoft Corporation — global cloud and enterprise software provider (Azure, Windows Server)Search in Eureka ↗ |
| Plaintiff counsel | Brenda Entzminger | Attorney | Counsel for Daedalus Blue, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Corey Johanningmeier | Attorney | Counsel for Daedalus Blue, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Denise M. DeMory | Attorney | Counsel for Daedalus Blue, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jennifer L. Gilbert | Attorney | Counsel for Daedalus Blue, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Michael Flynn-O | Attorney | Counsel for Daedalus Blue, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Bunsow DeMory LLP | Law Firm | Representing Daedalus Blue, LLCSearch in Eureka ↗ |
| Plaintiff law firm | George, Brothers, Kincaid & Horton LLP | Law Firm | Representing Daedalus Blue, LLCSearch in Eureka ↗ |
| Defendant counsel | Barry K. Shelton | Attorney | Counsel for Microsoft, Co.Search in Eureka ↗ |
| Defendant counsel | Donald E. Daybell | Attorney | Counsel for Microsoft, Co.Search in Eureka ↗ |
| Defendant counsel | Jacob M. Heath | Attorney | Counsel for Microsoft, Co.Search in Eureka ↗ |
| Defendant counsel | Jared Bobrow | Attorney | Counsel for Microsoft, Co.Search in Eureka ↗ |
| Defendant counsel | Melissa Richards Smith | Attorney | Counsel for Microsoft, Co.Search in Eureka ↗ |
| Defendant law firm | Gillam & Smith LLP | Law Firm | Representing Microsoft, Co.Search in Eureka ↗ |
| Defendant law firm | Orrick, Herrington & Sutcliffe LLP | Law Firm | Representing Microsoft, Co.Search in Eureka ↗ |
| Defendant law firm | Winston Strawn LLP | Law Firm | Representing Microsoft, Co.Search in Eureka ↗ |
| Presiding judge | Judge Alan D Albright | Judge | Texas Western District CourtSearch in Eureka ↗ |
R&D signals in the cloud virtualization and data management IP space
This case surfaces active patent enforcement in VM orchestration, hypervisor security, and data replication — technology domains where filing activity continues to accelerate among cloud platform vendors.
Daedalus Blue's cloud IP portfolio: enforcement breadth and coverage gaps
Daedalus Blue asserted five patents spanning VM auto-scaling, hypervisor ACLs, data replication, hosted infrastructure, and policy-based data governance. A portfolio-level review of the assignee's filings and continuation activity may reveal adjacent patents in distributed storage, container orchestration, or software-defined networking — domains where cloud vendor exposure is growing.
Portfolio breadth: VM + ACL + dataAutonomic VM scaling patent filings: who is building in this space?
US8381209B2 covers autonomic scaling of virtual machines — now a competitive battleground for AWS, Google Cloud, and Microsoft Azure. Patent filing activity in auto-scaling, serverless orchestration, and Kubernetes-adjacent resource management has surged since 2018. Tracking assignee shifts and continuation filings in this cluster reveals which players are building defensive or offensive IP positions.
VM auto-scaling filing trendsMicrosoft's defensive patent position in hypervisor and cloud security
Microsoft holds an extensive portfolio in hypervisor architecture, virtual network security, and cloud access management through Azure and Hyper-V related filings. Analyzing Microsoft's patent activity in ACL management, virtual port firewalls, and software-defined networking reveals how the company has built IP defenses in the same domains targeted by this litigation — and where gaps may still exist.
Microsoft hypervisor ACL IP depthPolicy-based data management: under-patented territory adjacent to US8572612B2
US8572612B2 covers policy-based data management systems — a domain that intersects with modern data governance, cloud-native compliance tooling, and zero-trust architectures. Filing density analysis in policy-driven data classification and automated governance enforcement may reveal white space for R&D teams building next-generation data management platforms, particularly in hybrid and multi-cloud environments.
Policy data management white spaceSimilar cloud virtualization patent cases in W.D. Texas
Explore comparable patent infringement cases involving cloud infrastructure, data replication, and virtualization technologies litigated in the Western District of Texas.
What this case signals for the cloud virtualization IP landscape
Five cloud-infrastructure patents, one of the most plaintiff-friendly courts, and a settlement with an unusual financial enforcement retention — this case carries IP risk signals worth tracking.
No invalidity ruling means all five patents remain live enforcement tools
The settlement produced no court ruling on validity or infringement of US7177886B2, US8381209B2, US7437730B2, US8671132B2, or US8572612B2. Any cloud, SaaS, or virtualization vendor whose products touch data replication, hypervisor ACLs, or scalable hosting should treat these patents as active threats and conduct FTO analysis accordingly.
Court's retained jurisdiction is structurally unusual — monitor for enforcement activity
Judge Albright's order expressly retains jurisdiction to enforce the financial terms of Section 2 of the Settlement Agreement. This is an atypical provision that keeps the W.D. Texas docket open as a potential enforcement vehicle. IP teams monitoring Daedalus Blue's activity should flag any subsequent filings under Case No. 6:20-cv-01152.
Daedalus v Microsoft — key questions answered
Daedalus Blue asserted five patents: US7177886B2 (logical data replication coordination), US8381209B2 (autonomic VM scaling in cloud), US7437730B2 (moveable ACL mechanisms for hypervisors and virtual port firewalls), US8671132B2 (scalable on-demand hosting), and US8572612B2 (policy-based data management). The case was filed December 16, 2020 in the Western District of Texas.
The parties entered a Settlement Agreement dated December 30, 2022. All of Daedalus Blue's claims were dismissed with prejudice under Fed. R. Civ. P. 41(a)(2), with each party bearing its own costs. The court retained jurisdiction to enforce the financial terms of Section 2 of the Agreement. The specific financial terms of Section 2 are not disclosed in the available public record.
No. The case settled before any merits ruling on validity or infringement. No claim construction order or summary judgment decision invalidating or limiting any of the five asserted patents is reflected in the public docket. All five patents remain potentially enforceable against third parties.
The joint motion and resulting order expressly directed the court to retain jurisdiction to enforce the financial terms of Section 2 of the parties' Settlement Agreement. This provision allows either party to return to the Western District of Texas if a dispute arises over the financial obligations in the settlement, without needing to file a new action. The content of Section 2 is not in the public record.
Because the case settled without a merits ruling, the five asserted patents have not been judicially invalidated or found not infringed. Other cloud, SaaS, and virtualization vendors whose products involve data replication, VM auto-scaling, hypervisor ACLs, on-demand hosting, or policy-based data management remain potentially exposed. The dismissal with prejudice binds only Microsoft and Daedalus Blue.
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