Welcome to the December issue of RF Quarterly, featuring a selection of articles adapted from presentations at the 2025 RAPS Convergence in Pittsburgh, PA, on 7-9 October. The articles cover global regulatory pathways for orphan medical devices, best practices for effective collaboration around companion diagnostics, e-labeling in drugs and medical devices, and artificial intelligence (AI) in the regulatory setting – specifically, the use of generative AI (gen AI) for scaling up regulatory operations , and survey findings on how regulatory functions are adopting AI