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

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372 Cases
Case Update

March 16, 2026 | District court blocks Secretary Kennedy’s efforts to reshape vaccine policy

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

1:25-cv-12019

State of California et al. v. Kennedy et al.

Filed:
July 17, 2025
Status
Briefing is ongoing

Motion for Preliminary Injunction Denied

Court
Massachusetts
Goal
Block enforcement of an agency action +1 additional goal(s)

Key Dates

Thomas et al. v. Bhattacharya

Defendant’s Reply Re: Motion to Dismiss Due

Blue Cross Blue Shield of Texas v. Zotec Partners, LLC

Scheduling Conference

Greene et al. v. Healthfirst PHSP, Inc.

Status Conference

State of California et al. v. Kennedy et al.

Defendants’ Response and Reply Re: Cross-Motion for Summary Judgment Due

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

Joint Status Report Due

Chavez-DeRemer v. Suffolk Administrative Services, LLC. et al.

Amended Pleadings Due

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

Second Administrative Record Due

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

Response to Motion for Summary Judgment Due

City of Columbus et al. v. Kennedy et al.

Defendants’ Reply to Motion for Summary Judgement Due

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

Hearing on Motion to Compel

Davis v. Cooprider et al.

Discovery Hearing

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

Defendants’ Opening Brief Due

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

Defendants’ Opening Brief Due

G.H. et al v. University of California Board of Regents et al.

Petition for Approval of Settlement Due

Rodriguez v. Coeytaux

Defendant’s Motion to Dismiss and Response to Plaintiff’s Motions Due

Blue Cross Blue Shield of Texas v. HaloMD LLC

Deadline for Plaintiff to Join Additional Parties

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

Expert Depositions Due

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

Plaintiffs’ Response Brief Due

Zing Health Inc. et al. v. Department of Health and Human Services et al.

Plaintiffs’ Response to Motion to Dismiss Due

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

Answer Due

Federal Trade Commission v. U.S. Anesthesia Partners, Inc. et al.

Status Conference

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

Answer Due

Doe et al. v. Carelon Behavioral Health, Inc.

Conference

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

Plaintiff’s Opening Brief Due

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

Defendants’ Response to Motion to Compel Due

Chavez-DeRemer v. Suffolk Administrative Services, LLC.

Plaintiff’s Brief Due

Lewandowski et al. v. Johnson & Johnson et al.

Plaintiffs’ Opening Brief Due

Mylan Pharmaceuticals Inc. et al v. Sanofi-Aventis U.S. LLC et al.

Rule 26(f) Report Due

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

Proposed Intervenors’ Brief and Appendix Due

United States ex rel. Shea v. eHealth, Inc. et al.

Scheduling Conference

Association for Accessible Medicines v. Raoul

Defendant’s Response Brief Due

Rapides Parish v. Department of Health & Human Services et al.

Oral Argument

Barrows et al. v. Humana, Inc.

Status Conference

Healthcare Distribution Alliance v. Boughton et al.

Oral Argument

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

Case Management Conference

Pharmaceutical Research and Manufacturers of America v. Rhonda Chakolis, et al.

Joint Status Update Due

St. Luke’s Health System, LTD. v. Labrador

Plaintiff’s Expert Disclosure Due

Berton v. Aetna Inc. et al.

Response Due

City of Columbus et al. v. Kennedy et al.

Plaintiffs’ Response Brief Due

Electrical Medical Trust et al. v. U.S. Anesthesia Partners, Inc. et al.

Deadline for Fact Discovery

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

Joint Status Report Due

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