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

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353 Cases
Case Update

January 5, 2026 | First Circuit continues to block cuts to indirect cost rates for NIH-funded research

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

Key Dates

Association for Accessible Medicines v. Raoul

Plaintiff’s Opening Brief Due

ACA International et al. v. Fulford

Defendants’ Response to Amended Complaint Due

State of Oregon et al. v. Kennedy et al.

Defendants’ Response to Motion for Summary Judgment Due

San Francisco AIDS Foundation et al. v. Trump et al.

Oral Arguments

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

Hearing on Motion to Compel Discovery

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

Hearing on Motion for Preliminary Injunction

UnitedHealthcare of Pennsylvania, Inc. v. NorthStar Anesthesia of Pennsylvania, LLC

Defendant’s Response to Complaint Due

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

Plaintiffs’ Reply Brief Due

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

Joint Proposed Scheduling Order Due

Seth Stern et al. v. JPMorgan Chase & Co. et al.

Hearing on Motion to Dismiss

Healthcare Distribution Alliance v. Boughton et al.

Plaintiff’s Brief Due

Roiz et al. v. Blue Shield of California Life and Health Insurance Company et al.

Defendants’ Response Due

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

Defendant’s Answer Due

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

Plaintiffs’ Reply re: Motion for Preliminary Injunction and Responses to Motions for Stay and Intervention Due

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

Joint Status Report Due

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

Defendants’ Response to Motion for Summary Judgment Due

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

Plaintiffs’ Response to Motion for Summary Judgment Due

Do No Harm v. Landry

Defendant’s Brief Due

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

Defendants’ Opening Brief Due

Team Schierl Companies et al. v. Aspirus, Inc. et al.

Dispositive Motions re: Anti-Trust Injury Due

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

Defendants’ Motion for Summary Judgment Due

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

Defendants’ Response to Motion for Summary Judgment Due

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

Defendants’ Opening Brief Due

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

Plaintiffs’ Opening Brief Due

Healthcare Distribution Alliance v. Boughton et al.

Defendants’ Reply Brief Due

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

Joint Status Report Due

Phi Health, LLC et al. v. Department of Health and Human Services et al.

Joint Status Report Due

American Association of University Professors et al. v. Department of Justice et al.

Plaintiffs’ Reply Brief Due

Planned Parenthood of Greater New York et al. v. Department of Health and Human Services et al.

Joint Status Report Due

American Hospital Association et al. v. Kennedy et al.

Answer Due

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

Defendants’ Consolidated Response Due

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

Answer Due for All Federal Defendants

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

Motions to Amend the Pleadings or for Joinder of Additional Parties Due

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

Defendants’ Opening Brief Due

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

Defendants’ Answer Due

Cement and Concrete Workers DC Benefit Fund v. The New York and Presbyterian Hospital

Tier I Discovery Deadline

UFCW Local 1500 Welfare Fund v. The New York and Presbyterian Hospital

Tier I Discovery Deadline

American Psychiatric Association et al. v. EmblemHealth, Inc. et al.

Defendants’ Answer Due

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

Defendants’ Response to Complaint Due

Anthem Health Plans of Virginia, Inc. et al. v. AGS Health, Inc. et al

Plaintiffs’ Response to Motions to Dismiss Due

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

Defendants’ Opening Brief Due

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

Defendants’ Opening Brief Due

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

Defendants’ Answer Due

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

Plaintiff’s Expert Disclosure Due

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

Joint Status Report Due

Welty et al. v. Dunaway et al.

Defendants’ Third Brief Due

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

Joint Status Update Due

Barrows et al. v. Humana, Inc.

Plaintiffs’ Class Certification Motion Due

Berton v. Aetna Inc. et al.

Response Due

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