Over the past year, federal and state courts across the U.S. have continued to reshape the landscape of professional liability insurance. From high-stakes coverage battles to nuanced interpretations of policy language, 2025 delivered a breadth of notable decisions addressing a wide variety of coverage issues that every insurer, broker, risk manager, and coverage practitioner needs to understand. In this report, we focus on topics we believe will remain important in the professional liability insurance field and hope you find the following selection of cases both informative and helpful.