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Systems Expert Witnesses

Many of the most expensive technology disputes involve systems rather than individual components, meaning complex combinations of hardware, software, networks, and operating procedures that must work together to deliver a promised result. Failed enterprise software implementations, communications networks that do not perform as specified, trading and financial platforms that malfunction, and patent disputes over operating systems, distributed computing, and wireless architectures all fall into this category. Because responsibility is spread across vendors, integrators, and users, the parties often disagree about where a failure originated and which contractual obligations it implicates. The central question is how the system was specified, built, and operated, and whether its performance matched what the contract, the patent claims, or industry practice required.

A systems expert helps counsel break a complex system into components that can be examined, tested, and explained. The work typically draws on requirements documents, architecture diagrams, source code, change logs, performance data, and project records to trace how design and implementation decisions affected the outcome. In implementation and performance disputes, that analysis can show whether the failure stemmed from incomplete requirements, flawed integration, inadequate testing, or customer-side changes, which bears directly on breach and allocation of responsibility. In patent litigation, a systems expert can map claimed architectures and methods to the accused implementation and assess prior art that may affect validity. The resulting opinions support liability, causation, and damages positions, and they help counsel dismantle an opposing expert's narrative when it overlooks how the system's parts actually interacted.

The word systems covers disciplines as different as distributed computing, radio communications, and capital markets technology, so effective expert selection starts with identifying which system and which layer of it is truly in dispute. Experts in our network include computer scientists who have testified many times on infringement and invalidity involving operating systems and distributed systems, software security specialists with extensive testimony on operating systems and web browsers, and communications engineers who have testified on radio system installation and public safety network operations. The network also extends to capital markets technologists who have testified on financial technology intellectual property, wireless and GPS specialists, and academic researchers whose honors include a National Science Foundation CAREER Award and a university distinguished professorship. Round Table Group has conducted more than 75,000 expert searches for litigators and draws on that experience to match the right systems specialist to your technology. Reach out to discuss the systems issues in your case by calling us at (202) 908-4500.

Kinds of Cases We Work On

Round Table Group helps our clients find a wide variety of Systems expert witnesses for cases like:

01

Requirements Traceability Failure Triggers Program Rework.

A defense contractor sued the systems engineering subcontractor it had retained to manage requirements traceability for a weapons platform program, alleging gaps in the traceability matrix caused a design that failed to meet a critical performance requirement discovered late in testing. We identified experts with experience in systems requirements engineering, requirements traceability methodology, and defense program verification standards. The experts found the subcontractor's traceability matrix had never linked the disputed requirement to any downstream design or test artifact, a gap standard practice would have flagged early, supporting the contractor's breach of contract claim and anchoring a settlement covering the rework costs.
02

Reservation System Integration Failure Disrupts Airline.

A regional airline sued the systems integration firm it had hired to integrate a new reservation platform with its existing operational systems, alleging integration defects caused widespread booking errors and flight disruptions during the rollout. We identified experts with experience in systems integration engineering, enterprise interface design, and airline operational systems architecture. The experts found the integrator's interface mapping had failed to account for a legacy data field format still in active use across a substantial share of the airline's existing bookings, supporting the airline's breach of contract claim and anchoring a settlement covering the disruption costs.
03

Flawed Architecture Causes Telecom Scalability Failure.

A telecommunications company sued the systems architecture consulting firm it had retained to design its next-generation billing platform, alleging a flawed architecture caused the system to fail under normal subscriber growth well short of its design capacity. We identified experts with experience in systems architecture design, scalability and capacity engineering, and enterprise systems performance analysis. The experts found the architecture's database layer had been designed around an assumption about transaction volume the firm's own capacity planning documents contradicted, supporting the company's professional negligence claim and anchoring a settlement covering the redesign costs.
04

Inadequate Verification Protocol Triggers Device Recall.

A medical device company sued the verification and validation testing firm it had engaged to test a new implantable device, alleging an inadequate test protocol missed a failure mode that later triggered a field recall. We identified experts with experience in systems verification and validation methodology, medical device testing standards, and failure mode identification analysis. The experts found the firm's test protocol had never exercised the device under a combined temperature and vibration condition the device's intended use environment routinely presented, supporting the company's professional negligence claim and anchoring a settlement covering the recall costs.
05

Interface Control Violation Sparks Integration Failure.

An aerospace prime contractor sued a subsystem subcontractor, alleging the subcontractor's component violated the interface control document's specified electrical tolerances, causing an integration failure discovered during final assembly. We identified experts with experience in systems interface management, interface control document compliance, and aerospace subsystem integration testing. The experts found the subcontractor's delivered component operated outside the voltage tolerance the interface control document specified, a deviation the subcontractor's own test records should have flagged before delivery, supporting the prime contractor's breach of contract claim and anchoring a settlement covering the integration rework costs.
06

Safety Case Deficiency Delays Rail Approval.

A rail operator sued the systems engineering firm it had retained to develop the safety case supporting a new signaling system's regulatory approval, alleging deficiencies in the safety case caused a regulatory rejection and significant deployment delay. We identified experts with experience in safety-critical systems engineering, rail safety case methodology, and regulatory safety approval standards. The experts found the safety case had failed to address a known hazard scenario the governing safety standard specifically required to be analyzed, supporting the operator's professional negligence claim and anchoring a settlement covering the delay costs.
07

Flawed Systems Model Causes Design Defect.

An automotive manufacturer sued the model-based systems engineering consulting firm it had retained to develop a digital system model for a new vehicle platform, alleging a modeling error caused a design defect that was not caught until physical prototype testing. We identified experts with experience in model-based systems engineering methodology, digital system modeling validation, and automotive design verification. The experts found the model had used an incorrect parameter value for a key component interaction that a routine model validation step should have caught, supporting the manufacturer's professional negligence claim and anchoring a settlement covering the redesign costs.
08

Configuration Database Errors Cause Costly Rework.

A defense contractor sued the configuration management systems vendor supporting its manufacturing program, alleging errors in the configuration database caused an out-of-date component specification to be used across a batch of assembled units, forcing extensive rework. We identified experts with experience in systems configuration management, configuration database integrity auditing, and manufacturing rework cost quantification. The experts found the database had failed to propagate a specification revision to the production floor due to a documented synchronization error in the vendor's software, supporting the contractor's breach of contract claim and anchoring a settlement covering the rework costs.
09

Subsystem Integration Failure Slips Program Schedule.

A systems integrator sued a subcontractor responsible for delivering several subsystems into a larger client program, alleging the subcontractor's subsystems failed integration testing and caused a significant schedule slip that triggered penalty clauses under the prime contract. We identified experts with experience in systems-of-systems integration engineering, subsystem interface validation, and program schedule impact analysis. The experts found the subcontractor's subsystems had been delivered without the interface testing the integration plan required, a gap that directly explained the majority of the integration failures encountered, supporting the integrator's breach of contract claim and anchoring a settlement covering the penalty costs.
10

Control Panel Design Flaw Sparks Liability.

An industrial equipment manufacturer sued the human factors and systems engineering consulting firm it had retained to design a control panel for a new production machine, alleging a design flaw caused a pattern of operator errors that led to product liability claims. We identified experts with experience in human-systems integration, control panel and interface design standards, and operator error root-cause analysis. The experts found the panel's control layout grouped two functionally distinct emergency controls in a way that departed from established human factors design guidance, supporting the manufacturer's professional negligence claim and anchoring a settlement.

Here are a few of our favorite Systems Expert Witnesses:

Colorado Operation, Systems, Software Expert #1532

I have 40 years of experience and specialize in the field of distributed systems with specific knowledge in the areas of operating systems, software and networks. I have published on such topics as operating systems, distributed systems and real-time systems. I have testified 20 times on topics such as infringement and invalidity.

 

Illinois Mechanical Engineering, Systems Expert #3308

I have 20 years of experience, and specialize in the field of control systems with specific knowledge in the areas of manufacturing, thermal management and fluid power. I have published on such topics as vehicle dynamics and power management.

 

Pennsylvania Computer, Systems, Writing Expert #9701

I have 40 years of experience, and specialize in the field of computer hardware with specific knowledge in the areas of computer peripherals, disk drives and systems. I have published on such topics as Microprocessor-based, distributed control, real-time, energy control system, microcomputers and automation.

 

Texas Systems, Applications, Security Expert #20118

I have 25 years of experience, and specialize in the field of information technology with specific knowledge in the areas of software, systems and security. I have published on such topics as software design, systems development and information security. Over 20 years of consulting experience.

 

California Software, Computers, Systems Expert #28319

I have 25 years of experience and specialize in the field of software engineering, with specific knowledge of embedded, medical and set-top box.

 

Your Case Deserves The Best Systems Expert Witnesses

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The right expert witnesses and consulting experts can make your case. That’s why we have spent so many hours over the past quarter century making sure our clients have just the right expert team — whether one expert or many, early-stage advice or expert reports and testimony. Across over 50,000 expert search assignments, we have honed a unique, customized approach to identifying, analyzing and connecting with expert talent so you can focus on winning your case.

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Arkansas Systems, Antennas, Conductors Expert #32310

I have 32 years of experience, and specialize in the field of antennas, global positioning system (GPS), wireless systems with specific knowledge in the areas of GPS, antennas and wireless systems. I have published on such topics as GPS, antennas and propagation.

 

California Mobile, Cellular, Systems Expert #36224

I have 25 years of experience in the field of wireless, with specific knowledge in the areas of mobility, networking and technology. I have published on such topics as broadband wireless technologies, land mobile radio protocols and radio system requirements.

 

New York Military, Accidents, Systems Expert #42834

I have 35 years of experience, and specialize in the field of aviation with specific knowledge in the areas of military, display flying and technical systems.

 

Louisiana Computers, Graphics, Systems Expert #44724

I have 20 years of experience, and specialize in the field of virtual reality with specific knowledge in the areas of software engineering, real-time computer graphics and interactive technologies. I have published on such topics as container and volume engineering systems, public interactive installations and interactive software systems.

 

Utah Optical, Devices, Systems, Optic Expert #47264

I have 11 years of experience, and specialize in the field of photonics with specific knowledge in the areas of communications, nanophotonics and biophotonics. I have published on such topics as integrated photonic devices, nanoscale photonics and microarrays and technology.

 

Massachusetts Derivatives, Systems, Trading Expert #47962

I have 25 years of experience, and specialize in the field of capital markets and derivatives with specific knowledge in the areas of order management, trading, clearance and settlement. I have published on such topics as algorithmic trading, business continuity management and convergence of listed and over the counter derivatives. I have testified on financial technology intellectual property. As a management consultant, I helped to launch one of the most successful inter-dealer brokers in a record time of six months.

 

Michigan Dynamics, Mechanics, Systems Expert #48080

I have 27 years of experience, and specialize in the field of mechanical engineering with specific knowledge in the areas of dynamics, vibrations and machinery. I have published on such topics as vibration absorbers, dynamics and micro-mechanical systems. I have gained an international reputation for my research, which earned me the title of university distinguished professor.

 

Washington Radio, Systems, Networking Expert #48113

I have 35 years of experience, and specialize in the field of communications engineering with specific knowledge in the areas of public safety, 9-1-1 and marine. I have published on such topics as radio system operations, 9-1-1 technology and 800 MHz radio systems. I have testified on radio system installation, radio system operations and 9-1-1 system operation. I started a communications engineering consulting firm when I was 29 and built it to a company nationally recognized for technical capability.

 

Illinois Programming, Systems, Security Expert #48838

I have 32 years of experience, and specialize in the field of computer software with specific knowledge in the areas of code analysis, security and networking. I have published on such topics as security, networking and web browsers. I have testified 10 times on topics such as operating systems, desktop productivity software and web browsers. I got my first staff programming job when I was 13.

 

South Carolina Weather, Space, Science, Systems Expert #50031

I have 17 years of experience, and specialize in the field of physics with specific knowledge in the areas of geophysics, water resources and space weather. I have published on such topics as neurophysics, combat dynamics and nonlinear dynamics. Winner of National Science Foundation CAREER Award for Outstanding scholar-teachers.

 

Put Our Systems Expert Network to Work for You

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Our huge network of experts – eminent university professors and practitioners who have achieved renown as thought leaders in their fields – combined with unparalleled research capabilities puts the experts you need at your disposal when and where you need them.

If you’re a litigator or general counsel, we want to put this network to work for you and your clients. Let us know how we can help by calling us at (202) 908-4500 or filling out the form on this page. We’re so confident you’ll love what we do that unless you retain an expert we present there’s no charge!

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Questions Attorneys Ask About Systems Expert Witnesses:

A systems expert is needed when the dispute concerns how an integrated technology environment was designed, implemented, or operated, rather than a single part. Common examples include failed software and IT implementations, underperforming communications or network deployments, malfunctions in trading or transaction platforms, and patent cases involving system architectures. Involving an expert early helps counsel identify which technical records will show where the failure actually occurred.
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