Brain Computer Interfaces
Brain-Computer Interfaces represent a new frontier of privacy regulation. Neural data—information derived from brain activity—is receiving dedicated legal protection as legislators recognize its sensitivity.
By Sergio Maldonado Elvira, Attorney, State Bar of California · FIP, CIPP/US, CIPP/E, CIPT
Published · Last reviewed
Key points
- →Understand emerging neural data laws
- →Implement heightened consent requirements
- →Address FDA medical device regulations
- →Prepare for the MIND Act and state laws
Emerging neural data legislation
Colorado and California amended their privacy laws in 2024 to explicitly protect neural data. Colorado's law includes neural data in its definition of sensitive personal information requiring heightened consent. California's amendment added neural data to biometric information protections. The proposed federal MIND Act would establish national standards. More states are considering similar measures.
Heightened consent requirements
Neural data laws typically require express consent before collection—not just disclosure and opt-out. Given the intimate nature of brain activity data, standard privacy policy consent mechanisms may be insufficient. Consider dedicated consent flows specifically addressing: what neural data is collected, how it's processed, whether it's shared, and how long it's retained.
FDA regulatory considerations
Many BCIs qualify as medical devices subject to FDA regulation. Classification depends on intended use: devices claiming to diagnose or treat conditions face stricter requirements than 'wellness' products. The FDA has issued guidance on non-invasive BCI devices. Regulatory strategy should be determined early—FDA compliance affects product design, clinical testing, and market authorization.
Ethical considerations beyond compliance
Neural data raises profound ethical questions that law hasn't fully addressed: mental privacy (right to cognitive liberty), neural rights (protection from unwanted brain manipulation), data sovereignty (who owns insights from your thoughts). Companies in this space should anticipate evolving ethical expectations and build trust through transparency and restraint.
Related reading
This guide is general information, not legal advice. Reading it does not create an attorney-client relationship. The law is stated as of January 28, 2026.
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