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

Get Started

302 Cases
Case Update

November 20, 2025 | D.C. district court 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

Key Dates

Kansas et al. v. United States et al.

Joint Status Report Due

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

Telephonic Status Conference

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

Defendants’ Reply Brief Due

Purcell et al. v. Kennedy et al.

Joint Status Report Due

New York et al. v. Kennedy et al.

Defendants’ Reply to Motion to Dismiss Due

State of Mississippi et al. v. Kennedy et al.

Joint Status Report Due

Faulk Company, Inc. v. Kennedy et al.

Defendants’ Reply Brief Due

Pharmaceutical Research and Manufacturers of America v. Stolfi

Joint Status Report Due

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

Answer Due

Healthcare Distribution Alliance v. Boughton et al.

Motion for Preliminary Injunction Hearing

Association for Accessible Medicines v. Boughton et al.

Motion for Preliminary Injunction Hearing

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

Defendants’ Certification of Administrative Record Due

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

Defendants’ Response Brief Due

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

Defendants’ Opening Brief Due

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

Defendants’ Response to Amended Complaint Due

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

Answer Due

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

Defendants’ Combined Motions Due

Gargano v. Elevance Health, Inc.

Plaintiff’s Response to Order to Show Cause Due

Welty et al. v. Dunaway et al.

Plaintiff and Defendant Second Brief Due

Community Insurance Company v. HaloMD, LLC et al.

Plaintiff’s Response to Motion to Dismiss Due

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

Administrative Record Due

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

Defendants’ Reply Re: Motion to Dismiss Due

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

Pretrial Conference

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

Discovery Deadline

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

Joint Proposed Scheduling Order Due

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

Defendants’ Opening Brief and Joint Appendix Due

American Public Health Association et al v. National Institutes of Health et al.

Oral Arguments

Blue Cross Blue Shield of Texas v. HaloMD LLC

Plaintiff’s Response to Motion to Dismiss Due

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

Plaintiff’s Expert Disclosure Due

Matsumoto et al. v. Labrador

Discovery Deadline

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

Plaintiff’s Motion for Summary Judgement Due

Barrows et al. v. Humana, Inc.

Plaintiffs’ Class Certification Motion Due

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

Dispositive Motions Due

In the News

Create an account to stay up-to-date on major court cases.

Sign Up Now