Tracking the most important health care lawsuits in U.S. courts today

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435 Cases
Case Update

September 1, 2026 | Eleventh Circuit rejects constitutional challenge to federal whistleblower lawsuits

How the Litigation Tracker Works

  1. Search for a lawsuit or issue More than 350 cases over 17 issues

  2. Explore related documentation Extensive library of key filing documents

  3. Learn the current status of the case Realtime case updates

  4. Read our analysis Read our take on the most pressing cases

Issues We’re Tracking

Our Team

We’re the experts on health care litigation. We’re here to make the process of navigating and understanding health care litigation easy.

Katie Keith

Director of the Center for Health Policy and the Law at the O’Neill Institute

Andrew J. Twinamatsiko

Director of the Center for Health Policy and the Law at the O’Neill Institute

Latest Updates

1:26-cv-01190

AbbVie Inc. v. Kennedy et al.

Filed:
April 8, 2026
Status
Briefing is ongoing
Court
District of Columbia
Goal
Block enforcement of an agency action +2 additional goal(s)

25-5738

Welty et al. v. Dunaway et al.

Filed:
August 17, 2025
Status
Briefing is ongoing
Court
Sixth Circuit
Goal
Block enforcement of a law +1 additional goal(s)

Key Dates

Highmark Inc. v. Bromedicon LLC et al.

Plaintiff’s Response to Motions to Dismiss Due

State of New Jersey et al. v. Office of Management and Budget et al.

Status Update Due

State of Arizona et al. v. Kennedy et al.

Hearing on Motion to Dismiss

State of Colorado et al. v. Department of Health and Human Services et al.

Defendants’ Response to Discovery Related Brief Due

National Family Planning & Reproductive Health Association et al. v. Kennedy et al.

Defendants’ Supplemental Brief Due

City of Columbus et al. v. Kennedy et al. (Columbus II)

Answer Due

American Academy of HIV Medicine et al. v. Health Resources and Services Administration et al.

Plaintiffs’ Response to Motion to Dismiss Due

AbbVie Inc. v. Kennedy et al.

Intervenors’ Reply Re: Motion to Dismiss Due

Estate of Gene B. Lokken et al. v. UnitedHealth Group Inc. et al.

Amended Answer Due

State of Louisiana et al. v. Food and Drug Administration et al.

Oral Argument

United States v. The New York and Presbyterian Hospital

Joint Status Report Due

Good Samaritan Medical Center Inc. et al. v. The Leapfrog Group

Defendant’s Opening Brief Due

Davis v. Cooprider et al.

Premotion Conference

Pacific Inpatient Medical Group Inc. et al. v. Zelis Healthcare LLC et al.

Status Conference

Planned Parenthood Federation of America Inc. v. Department of Health and Human Services et al.

Defendants’ Motion to Dismiss Due

American Hospital Association et al. v. AbbVie Inc. et al.

Oral Arguments

Aetna Health Inc. et al. v. Radiology Partners Inc. et al.

Defendants’ Response Brief Due

Tiara Yachts Inc. v. Blue Cross Blue Shield of Michigan

Hearing on Motions to Compel and Strike

Uriel Pharmacy Health and Welfare Plan et al. v. Advocate Aurora Health Inc. et al.

Plaintiffs’ Reply Re: Motion for Class Certification Due

Blue Cross Blue Shield of Texas v. HaloMD LLC et al.

Plaintiff’s Opening Brief Due

Horizon Healthcare Services Inc. v. M&D Capital Premier Billing LLC

Defendant’s Answer Due

Aetna Network Services LLC et al. v. Poonia et al.

Hearing on Motion to Dismiss

State of Illinois et al. v. Vought et al.

Notice of Appeal or Joint Status Report Due

St. Luke’s Health System LTD v. Labrador

Plaintiff’s Expert Disclosure Due

SCAN Health Plan v. Department of Health and Human Services et al.

Plaintiff’s Reply Re: Motion for Summary Judgment Due

Alignment Healthcare Inc. et al. v. Department of Health and Human Services et al.

Plaintiff’s Reply Re: Motion for Summary Judgment Due

Do No Harm v. Landry

Defendant’s Brief Due

American Academy of Pediatrics et al. v. Kennedy et al.

Defendants’ Response to Motion to Complete Administrative Record Due

United Healthcare Services Inc. et al. v. Hospital Physician Services Southeast P.C. et al.

Joint Status Report or Joint Notice of Dismissal Due

Sonderling v. Suffolk Administrative Services LLC. et al.

Defendants’ Response to Motion to Strike Due

State of Washington et al. v. Department of Health and Human Services et al.

Joint Status Report Due

EmblemHealth Inc. v. Rowe et al.

Joint Discovery Plan Due

Kisting-Leung et al. v. Cigna Corporation et al.

Discovery Deadline

ERISA Industry Committee v. Department of Health and Human Services et al.

Joint Status Report Due

Clover Insurance Company v. Department of Health and Human Services et al.

Plaintiff’s Response Brief Due

Mayday Health v. Labrador

Scheduling Conference

American Association of University Professors-Harvard Faculty Chapter et al. v. Department of Justice et al.

Oral Argument

AstraZeneca Pharmaceuticals LP et al. v. Kennedy et al.

Plaintiffs’ Opening Brief Due

President and Fellows of Harvard College v. Department of Health and Human Services et al.

Oral Argument

Anthem Blue Cross Life and Health Insurance Company et al. v. HaloMD LLC et al.

Defendants’ Response Brief Due

Humana Inc. et al. v. Kennedy et al.

Oral Argument

American Academy of Pediatrics et al. v. Kennedy et al.

Oral Argument

Do No Harm et al. v. David Geffen School of Medicine at UCLA et al.

Hearing on Motions to Dismiss

Anthem Blue Cross Life and Health Insurance Company et al. v. Prime Healthcare Services – St. Francis LLC et al.

Hearing on Motions to Strike, Dismiss, and Stay Discovery

McComb Children’s Clinic LTD. v. Kennedy et al.

Oral Argument

Doe et al. v. Anthem Healthchoice Assurance Inc. et al.

Defendants’ Brief Due

CareFirst Advantage PPO Inc. v. Department of Health and Human Services et al.

Joint Status Report Due

Barrows et al. v. Humana Inc.

Plaintiffs’ Motion for Class Certification Due

Blue Cross Blue Shield Healthcare Plan of Georgia Inc. v. HaloMD LLC et al.

Plaintiff’s Opening Brief Due

Commonwealth of Massachusetts et al. v. Oz et al.

Hearing on Motion for Summary Judgment

Data Marketing Partnership LP v. Department of Labor et al.

Joint Status Report Due

Bryant v. Jackson et al.

Oral Argument

American Hospital Association et al. v. PatientRightsAdvocate.org Inc.

Hearing on Motion to Dismiss

American Association of Physicians for Human Rights Inc. et al. v. National Institutes of Health et al.

Joint Status Report Due

City of Columbus et al. v. Kennedy et al. (Columbus I)

Oral Argument

Wesco Inc. et al. v. Blue Cross Blue Shield of Michigan

Discovery Deadline

Amgen Inc. et al. v. Mizner et al. II

Defendants’ Opening Brief Due

Agag v. Cigna Health and Life Insurance Company

Plaintiff’s Response Brief Due

United States v. Anthem Inc.

Fact Discovery Due

PatientRightsAdvocate.org, Inc. v. American Medical Association

Rule 26(f) Report Due

Roiz et al. v. California Physicians’ Service et al.

Case Management Conference

American Academy of Pediatrics v. Department of Health and Human Services et al.

Joint Status Report Due

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