How Lumenci Proved Patent Infringement in HDMI-CEC Technology Through Source Code Review and Device Testing
Our combined litigation-grade source code review, firmware investigation, and HDMI-CEC validation testing established strong technical evidence of patent infringement across accused streaming and remote-control products, directly supporting the client’s ITC strategy.
CASE AT A GLANCE
HDMI-CEC & Embedded Systems
Litigation Source Code Review
ITC Injunction on Accused Products
The Challenge: Proving Infringement in HDMI-CEC Devices
The client required litigation-ready technical evidence to prove infringement of three patents related to HDMI-CEC technology, specifically covering universal remote control operations across TVs and streaming players.
Multiple accused products across TVs, streaming devices, and remotes
Need to prove infringement across both software and firmware layers
Third-party chipset dependencies requiring deeper component analysis
ITC timelines demanding fast, defensible technical findings
What Lumenci Delivered
To address the technical complexity of the matter, Lumenci deployed a cross-functional team with expertise in HDMI-CEC protocols, embedded firmware, source code review, and device-level testing. The investigation was structured to uncover defensible infringement evidence across streaming devices, remotes, and third-party chipset components in support of the client’s ITC litigation strategy.
Identifying the Critical Evidence Sources
Lumenci first mapped the asserted patent claims to the most relevant technical evidence sources, including source code repositories, firmware builds, internal technical documentation, and physical product behavior.
In-depth Source Code and Firmware Review
The team conducted in-depth review of the accused company’s software and firmware source code for streaming devices, TVs, and remotes, along with relevant third-party chipset provider components.
Real-World HDMI-CEC Product Testing
Lumenci designed and executed 50+ targeted test iterations to simulate real-world HDMI-CEC communication and universal remote workflows. This testing generated reproducible evidence demonstrating how the accused products practiced the asserted patent claims.
Expert and Counsel Collaboration
The technical team worked closely with litigation counsel and the testifying expert to ensure findings aligned with infringement theories, ITC procedural requirements, and expert reporting needs.
Claim Mapping and Reporting
All technical findings were translated into litigation-ready reports, clearly mapping source code, firmware behavior, and device test evidence to the asserted claim limitations.
Key Outcomes of the Source Code Review
The technical evidence Lumenci developed provided the client with a defensible foundation for its HDMI-CEC infringement theory, strengthening the overall ITC litigation strategy.
Identified clear infringement evidence across three HDMI-CEC patents
Validated accused functionality through 50+ real-world test iterations
Strengthened expert testimony with reproducible firmware and device evidence
Enabled legal counsel to proceed confidently in ITC litigation
Lumenci's Source Code Review for Patent Litigation
100+ Proven Experts
200+ Source Code Reviews
250+ Litigations Supported
Positive Outcome for the Client
The technical evidence Lumenci produced gave the client a clear and defensible foundation for its infringement theory in a highly technical HDMI-CEC dispute.
The combined source code review, firmware analysis, and product testing directly supported the client’s successful effort to obtain an injunction on the accused streaming and television products.
Frequently Asked Questions
How does source code review help prove HDMI-CEC patent infringement?
Source code review helps identify how HDMI-CEC commands, device control workflows, and embedded firmware logic map to asserted patent claims. When combined with product testing, it creates defensible technical evidence that strengthens patent infringement theories in litigation and ITC matters.
Can Lumenci analyze firmware and embedded source code for HDMI-CEC devices?
Yes. Lumenci supports HDMI-CEC patent litigation through detailed firmware analysis, embedded source code review, and protocol-level investigation across TVs, streaming devices, remotes, and chipset components. This helps legal teams build evidence across both software and hardware layers.
Does Lumenci support ITC investigations involving HDMI-CEC and consumer electronics?
Yes. Lumenci regularly supports ITC litigation through source code review, firmware analysis, reverse engineering, and technical product testing for consumer electronics disputes. Our work helps counsel and experts develop strong infringement positions for injunction-focused matters.
Can source code review and product testing support expert witness reports?
Absolutely. Source code review and HDMI-CEC product testing often form the technical backbone of expert witness reports by providing reproducible evidence tied directly to patent claim limitations. This ensures findings align with litigation strategy and withstand technical scrutiny.
Does Lumenci review third-party chipset firmware in patent litigation matters?
Yes. In HDMI-CEC and embedded systems disputes, third-party chipset firmware can be critical to proving infringement. Lumenci reviews chipset-level source code, firmware behavior, and device integrations to uncover evidence that may not be visible at the application layer alone. Learn more about our IP litigation support services.