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Temporal patterns in biosecurity-related regulation before and after Loper Bright
Daniel Irowa-Omoregie1, Kavya Sanghavi2, Shane Reader3
1Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States.
Frontiers in Bioengineering and Biotechnology
|July 28, 2026
Summary
The Supreme Court's Loper Bright decision reduced U.S. biosecurity regulations by 21.5%, particularly impacting gene synthesis. Statutory clarity is crucial for maintaining biosecurity governance and national security.
Area of Science:
- Legal Studies
- Biosecurity Governance
- Regulatory Policy
Background:
- The 2024 Loper Bright Enterprises v. Raimondo Supreme Court decision eliminated Chevron deference.
- This ruling fundamentally altered the relationship between federal agencies and the judiciary.
- The study focuses on the implications for U.S. biosecurity governance, especially synthetic nucleic acid technologies.
Purpose of the Study:
- To examine the impact of the Loper Bright decision on U.S. biosecurity regulatory activity.
- To analyze changes in the regulation of synthetic nucleic acid technologies post-Loper Bright.
- To assess the role of statutory clarity in regulatory resilience.
Main Methods:
- A multi-period observational design was used to analyze regulatory issuance counts across 26 federal agencies.
- Six sentinel search terms (biosecurity, biotechnology, bioeconomy, synthetic nucleic acid, gene synthesis, nucleic acid screening) were employed.
- Data were sourced from Regulations.gov and a Federal Register API, with analyses accounting for administration transitions and baseline variability.
Main Results:
- Biosecurity-related regulatory activity decreased by 21.5% in the year following Loper Bright, contrasting with a 2.0% increase in overall federal regulatory output.
- Areas with low statutory clarity, like gene synthesis, experienced severe contractions (-87.5%), while those with clear mandates, such as the bioeconomy (+200%), showed resilience.
- While biosecurity activity increased between administrations, the concurrent transition complicates direct attribution of the decline solely to the Loper Bright ruling.
Conclusions:
- Statutory clarity is a key determinant of regulatory resilience in biosecurity governance.
- The post-Loper Bright era has created governance gaps in novel technological domains previously reliant on agency interpretive authority.
- Legislative action may be necessary to establish clear statutory authority and ensure a robust national biosecurity posture.
