As the Trump Administration concludes its fifth month, industry is facing a changing regulatory landscape that offers both opportunities and challenges. In this period of transition, litigation under the Administrative Procedure Act (APA) has played, and will continue to play, a more important role than ever in shaping the burdens facing regulated industries. The lawyers in WilmerHale’s Administrative Law Practice have been litigating cases, advising clients, and closely tracking developments in this changing environment. We offer below some thoughts on (1) the changing regulatory landscape, (2) the role of industry at this time, and (3) the emerging administrative law issues that will be important for our clients in the months and years ahead.