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

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268 Cases
Case Update

May 8, 2025 | Third Circuit rejects AstraZeneca’s legal challenge to Medicare drug negotiation program.

How the Litigation Tracker Works

  1. Search for a lawsuit or issue More than 265 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

Zach Baron

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

Latest Updates

Recently Updated

Welty v. Dunaway

Status
Briefing is ongoing
Date Filed
June 24, 2024
Court
Tennessee

Key Dates

Neurological Surgery Practice of Long Island, PLLC v. U.S. Department of Health and Human Service et al.

Oral Argument

New York et al. v. Robert F. Kennedy, Jr. et al.

Defendants’ Response to Motion for Preliminary Injunction due

State of Tennessee et al. v. Robert F. Kennedy, Jr. et al.

Defendants’ Opposition and Cross-Motion to Dismiss

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

Plaintiffs’ Reply and Opposition to Government’s Cross-Motion Due

Lewandowski v. Johnson and Johnson et al.

Defendants’ Motion to Dismiss Due

American Association of Ancillary Benefits et al. v. Becerra et al.

Government Filing Regarding Intent to Proceed Due

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

Hearing on Motion for Preliminary Injunction

Jazz Pharmaceuticals v. Avadel CNS Pharmaceuticals

Joint Status Report Due

National Infusion Center Association et al. v. Becerra et al.

Plaintiffs’ Reply and Opposition to Government’s Cross-Motion

REACH Air Medical Services LLC v. Kaiser Foundation Health Plan Inc. et al.

Oral Argument

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

Motion to Dismiss Due

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

Appellees’ Response Brief(s) due

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

Combined Opposition to Motion to dismiss and Cross-Motion for Summary Judgment Due

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

Appellees Response Brief due

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

Appellees Response Brief due

Dayton Area Chamber of Commerce et al. v. Becerra et al.

Oral Argument

Cornerstone Credit Union League et al. v. Consumer Financial Protection Bureau et al.

Hearing on Joint Motion to Approve Consent Judgment and Plaintiffs’ Motion for Preliminary Injunction

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

Joint Status Report Due

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

Joint Status Report

Seyb v. Idaho Board of Medicine

Filing of Dispositive Motions Due

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