Which U.S. Supreme Court rulings overturned Biden administration policies between 2021–2025 and on what legal grounds?

Checked on February 3, 2026
Disclaimer: Factually can make mistakes. Please verify important information or breaking news. Learn more.

Executive summary

Between 2021 and 2025 the Supreme Court delivered a string of high‑profile decisions that in several cases nullified or curtailed key Biden‑administration initiatives — most notably the administration’s student‑loan forgiveness program, an OSHA workplace vaccine-or-test mandate, and long‑standing judicial deference to federal agencies — and did so largely on statutory‑authority and administrative‑law grounds rather than on questions of policy wisdom [1] [2] [3] [4].

1. Student‑loan forgiveness: the court found no statutory authority to cancel $400 billion in debt

The Court “killed” President Biden’s roughly $400 billion student‑loan cancellation plan after concluding the Administration lacked the necessary statutory authority to implement broad loan forgiveness in the manner it attempted, a conclusion picked up across major reporting and legal commentary [1] [2]. Reporting describes the decision as an exercise of the Court policing executive overreach — the majority viewed the Education Department’s action as exceeding powers Congress had granted it — and legal observers noted the ruling relied on traditional tools of statutory interpretation rather than deference to agency judgment [2] [1].

2. OSHA vaccine‑or‑test rule: the Court froze a pandemic workplace mandate on agency‑authority grounds

In litigation over OSHA’s November 2021 emergency regulation requiring large employers to mandate vaccination or weekly testing, the Supreme Court reinstated a stay that effectively blocked enforcement of the rule, with challengers arguing the rule exceeded OSHA’s statutory authority and administrative‑law limits [3]. The stay and the Court’s willingness to limit OSHA’s scope reflect a broader judicial skepticism about agencies invoking broad emergency powers to impose sweeping workplace rules without clear congressional authorization [3].

3. Chevron and agency deference: the Court overturned a 1984 precedent that underpinned many regulatory actions

In a 2024 decision the Court overturned a landmark 1984 precedent that had required courts to defer to reasonable agency interpretations of ambiguous statutes, thereby stripping agencies of a familiar cushion when defending regulatory choices [4]. Reuters reports the move as “another blow to federal regulatory power,” and the legal effect is to force courts to interpret statutes themselves rather than defer to agency readings unless Congress’s delegation is clear — a shift that makes many Biden administration regulations more vulnerable to statutory‑interpretation challenges [4].

4. Other case outcomes: not all high‑profile Supreme Court actions defeated the administration

The Court did not uniformly rule against the administration: it rejected a Republican‑led challenge to a Biden executive order designed to boost voter registration, allowing that policy to stand in the posture at the time [5], and in 2022 the Court in Biden v. Texas affirmed the Administration’s authority to rescind the Migrant Protection Protocols (“Remain in Mexico”), a clear win for the Department of Homeland Security [6]. These decisions show the Court’s rulings turned on statutory text, standing and procedural posture as much as ideology [5] [6].

5. Legal grounds and the common threads: statutory authority, standing, and limits on nationwide remedies

Across the decisions that curtailed Biden policies, common legal grounds were visible: a focus on whether the agency had clear congressional authorization to act, skepticism of expansive readings of emergency or ancillary statutory powers, and procedural doctrines like standing and injunction scope that can block or limit relief [3] [4] [2]. Separate but related litigation over nationwide injunctions and the power of single federal judges to freeze presidential policies also animated litigation in this era, and the topic remained unresolved in ways that affect how and where Biden‑era policies were litigated [7] [8].

6. Context and caveats: litigation strategy, state plaintiffs, and the conservative majority

Multistate lawsuits spearheaded by Republican attorneys general were a persistent engine of these challenges, and scholarly trackers show numerous multistate suits targeting Biden initiatives, underscoring that many rulings reflected aggressive litigation strategies by states as well as doctrinal shifts on the Court [3] [7]. Reporting also highlights the influence of a conservative six‑justice majority in shaping these outcomes, but the Court’s votes were case‑specific and sometimes produced surprising coalitions, so outcomes turned on legal doctrine as much as on raw ideology [4] [1].

Want to dive deeper?
What were the Supreme Court opinions and legal reasoning in the student‑loan and Chevron cases that affected Biden administration policies?
How have state attorneys general coordinated multistate lawsuits against federal regulations during the Biden years?
What are the implications of the 2024 Chevron overruling for future environmental and health regulations?