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

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Case Update

October 6, 2025 | Third Circuit rejects challenge to Medicare drug negotiation program

How the Litigation Tracker Works

  1. Search for a lawsuit or issue More than 270 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

Recently Updated

Berton v. Aetna

Status
Briefing is ongoing
Date Filed
April 17, 2023
Court
California Northern

Key Dates

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

Telephonic Status Conference

Harris County, Texas et al. v. Kennedy et al.

Defendants’ Motion to Dismiss Due

Matsumoto et al. v. Labrador

Conference on Discovery Matters

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

Status Report Due

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

Status Report Due

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

Amended Complaint Due

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

Scheduling Conference

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

Plaintiff’s Response to Motion to Dismiss Due

Family Planning Association of Maine v. Department of Health and Human Services et al.

Plaintiff’s Brief Due

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

Parties Meet and Confer

Jane Doe et al. v. Bonta et al.

Oral Argument

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

Defendants’ Response to Amended Complaint Due

Kansas et al. v. United States of America et al.

Status Conference

Teva Pharmaceuticals USA, Inc. v. Weiser et al.

Petition for Rehearing Due

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

Answer Due

Chavez De-Remer v. Suffolk Administrative Services, LLC. et al.

Reply to Motion to Dismiss Due

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

Defendant’s Response Due

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

Response To Motion For Preliminary Injunction Due

Planned Parenthood Federation of America, Inc. et al. v. Kennedy et al.

Defendants’ Reply Brief Due

Commonwealth of Massachusetts et al. v. National Institutes of Health et al.

Oral Argument

Association of American Medical Colleges et al. v. National Institutes of Health et al.

Oral Argument

Association of American Universities et al. v. Department of Health and Human Services et al.

Oral Argument

Berton v. Aetna

Hearing on Motion for Preliminary Approval of Class Action Settlement

Community Insurance Company v. HaloMD, LLC et al.

Defendants’ Motion to Dismiss Due

Commonwealth of Pennsylvania, et al. v. Trump, et al.

Defendants’ Opening Brief Due

Commonwealth of Massachusetts et al. v. Kennedy et al.

Plaintiffs’ Response Brief Due

Welty et al. v. Dunaway et al.

First Brief Due

Chavez-DeRemer v. Suffolk Administrative Services, LLC.

Proposed Intervenors’ Opening Brief Due

Blue Cross Blue Shield of Texas v. HaloMD LLC

Response to Amended Complaint due

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

Scheduling Conference

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

Joint Status Report Due

Barrows et al v. Humana, Inc.

Joint Status Report Due

State of Mississippi et al. v. Becerra et al.

Joint Status Report Due

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

Defendants’ Response Brief Due

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