October 23, 2025

In a move that underscores the lasting influence of Donald Trump on the American judiciary, Jennifer Mascott has been confirmed as the latest appointee to the Third Circuit Court of Appeals. This appointment, achieved despite the lack of endorsement from the home state senators of Delaware, marks a significant shift in the court's ideological balance. Traditionally, presidential nominations respected the "blue-slip" custom, where home state senators approved judicial appointments. However, this norm was cast aside during Trump’s first term to favor the swift installment of conservative judges.
Mascott, a former law professor at Catholic University with notable conservative credentials, including clerkships under Supreme Court Justice Clarence Thomas and then-appeals court judge Brett Kavanaugh, has been a polarizing figure. Her legal career features significant roles, such as assisting the Justice Department and the White House with the confirmation of Justice Amy Coney Barrett. Her public praise for the Dobbs decision, which overturned Roe v. Wade, and her defense of the Texas bounty hunter abortion ban, further cement her conservative stance. Her confirmation by a narrow 50-47 vote, with opposition from pro-choice Republican Lisa Murkowski, underscores the contentious nature of her appointment.
The Third Circuit is not new to controversy, especially with the earlier appointment of Emil Bove, another Trump nominee whose career has been fraught with objections, including from over 900 former DOJ attorneys. Yet, like Mascott, Bove's appointment went through, solidifying a conservative majority in the Third Circuit. Of the 14 active judges, eight were appointed by Republican presidents, with Trump himself appointing six.
This shift towards a conservative majority is not just a change in numbers but a potential redefinition of legal interpretations in significant cases affecting millions. The Third Circuit, once balanced, now tilts decidedly right, shaping a legacy that will influence judicial outcomes for decades.
The transformation of the Third Circuit is a critical chapter in Trump's broader impact on the federal judiciary, an endeavor marked by strategic appointments that have reshaped the ideological leanings of courts across the United States. As these judges take on cases that could steer significant legal precedents, the effects of these appointments will unfold in the years to come, underlining the long-term influence of a presidential term on the American legal landscape.