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2025 Term · 25-197

T.M. v. University of Maryland Medical System Corporation

What legal standards apply to medical malpractice claims against healthcare institutions, and what are the scope and limits of institutional liability in medical negligence cases?

Oral argument scheduled for April 20, 2026 at 10:00 a.m. ET

Background & Facts

T.M. filed a medical malpractice action against the University of Maryland Medical System Corporation and related defendants in the United States District Court for the District of Maryland. The case involves allegations of medical negligence in the provision of healthcare services. The district court initially addressed the claims, and the case proceeded through litigation in the lower courts.

The United States Court of Appeals for the Fourth Circuit issued a decision on June 4, 2025, in case No. 24-1707. T.M. subsequently petitioned for a writ of certiorari on August 15, 2025, raising questions about the legal standards governing institutional medical liability and the scope of negligence claims against healthcare providers. The Supreme Court granted the petition on December 5, 2025, finding the issues sufficiently important for review.

Why This Case Matters

This case addresses fundamental questions about how courts should evaluate medical malpractice claims against healthcare institutions and what standards of care and institutional responsibility apply in medical negligence litigation. The Court's decision could significantly impact the liability exposure of hospitals and medical systems, establish or clarify standards for institutional negligence, and potentially affect how medical malpractice claims are litigated across the country. The case has attracted substantial amicus interest from medical professional organizations, civil rights advocates, and legal scholars, indicating its broader implications for healthcare law, institutional accountability, and the civil justice system.

The Arguments

Oral argument is scheduled for April 20, 2026 at 10:00 a.m. ET. The positions below reflect each party’s written briefs. This section will be updated following argument.
T.M.petitioner

T.M. contends that the Fourth Circuit's decision improperly limited the legal theories or standards available for establishing medical malpractice liability against healthcare institutions. The petitioner argues that institutional liability standards should be clarified and applied consistently, and that the lower court decision was incorrect in restricting the scope of viable negligence claims.

  • The Fourth Circuit's decision imposed unduly restrictive standards for medical institutional liability
  • Established precedent supports broader theories of institutional negligence in medical contexts
  • The decision creates uncertainty about proper legal standards for healthcare provider accountability
  • Clarification from the Supreme Court is necessary to ensure consistent application of medical negligence law
University of Maryland Medical System Corporation, et al.respondent

Respondents argue that the Fourth Circuit correctly applied existing legal standards for medical malpractice and institutional liability. They contend that the standards applied appropriately limited claims to those with proper legal and factual foundations, and that extending liability would inappropriately expand institutional responsibility beyond established legal principles.

  • The Fourth Circuit's decision correctly applied settled principles of medical negligence law
  • Institutional liability should be limited to clearly established legal standards
  • Expanding liability standards would create uncertain obligations for healthcare institutions
  • Existing legal frameworks adequately address medical malpractice claims

Precedent Cases Cited

Legal Terminology