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

Get Started

441 Cases
Case Update

October 2, 2026 | Federal court allows unions to continue antitrust lawsuit against NewYork-Presbyterian

How the Litigation Tracker Works

  1. Search for a lawsuit or issue Browse more than 430 cases across 9 issues

  2. Explore court filings Access our extensive library of curated court filings

  3. Subscribe for the latest Get real-time case updates

  4. Dive even deeper Read our expert analysis

Issues We’re Tracking

Our Team

We created the Health Care Litigation Tracker to make it easier to monitor the cases you care about and understand how courts are shaping health policy.

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

1:23-cv-00323

Matsumoto et al. v. Labrador

Filed:
July 11, 2023
Status
Briefing is ongoing

Motion for Preliminary Injunction Granted

Court
Idaho
Goal
Block enforcement of a law +1 additional goal(s)

Key Dates

American Academy of HIV Medicine et al. v. Health Resources and Services Administration et al.

Post-Trial Memorandum Due

State of New York et al. v. Kennedy et al.

Responses to Motion for Discovery Due

Doe et al. v. Anthem Healthchoice Assurance Inc. et al.

Defendants’ Brief Due

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

Plaintiffs’ Updated Reply Brief Due

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

Plaintiffs’ Expert Disclosure Due

Do No Harm v. Landry

Plaintiff’s Reply Brief Due

Kisting-Leung et al. v. Cigna Corporation et al.

Discovery Deadline

Rodriguez et al. v. Coeytaux II

Responses to Motions to Dismiss and for Preliminary Injunction Due

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

Joint Status Report Due

Blue Cross Blue Shield Healthcare Plan of Georgia Inc. v. HaloMD LLC et al.

Plaintiff’s Opening Brief Due

Goe et al. v. Department of Health and Human Services et al.

Defendants’ Response to Motion for Preliminary Injunction Due

Barrows et al. v. Humana Inc.

Plaintiffs’ Motion for Class Certification Due

Cleveland Bakers and Teamsters Health and Welfare Fund v. OhioHealth Corporation

Defendant’s Response Due

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

Defendants’ Cross-Motion for Summary Judgment Due

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

Joint Status Report Due

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

Hearing on Motions to Dismiss

Commonwealth of Massachusetts et al. v. Oz et al.

Hearing on Motion for Summary Judgment

Welty et al. v. Dunaway et al.

Petition for Rehearing En Banc Due

Jimenez v. Pan et al.

Hearing on Motions to Dismiss

Bryant v. Jackson et al.

Oral Argument

Sonderling v. Suffolk Administrative Services LLC. et al.

Joint Status Report Due

American Hospital Association et al. v. PatientRightsAdvocate.org Inc.

Hearing on Motion to Dismiss

City of Columbus et al. v. Kennedy et al. (Columbus I)

Oral Argument

Clover Insurance Company v. Department of Health and Human Services et al.

Plaintiff’s Response Brief Due

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

Joint Status Report Due

Wesco Inc. et al. v. Blue Cross Blue Shield of Michigan

Discovery Deadline

Horizon Healthcare Services Inc. v. M&D Capital Premier Billing LLC

Hearing on Motion to Dismiss

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

Joint Status Report Due

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

Defendants’ Opening Brief Due

Perera et al. v. National Institutes of Health et al.

Defendants’ Response to Complaint Due

Agag v. Cigna Health and Life Insurance Company

Plaintiff’s Response Brief Due

SpecialtyCare Inc. et al. v. Health Care Services Corporation

Defendant’s Response Brief Due

Good Samaritan Medical Center Inc. et al. v. The Leapfrog Group

Plaintiffs’ Response Brief Due

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

Joint Status Report Due

United Healthcare Services Inc. et al. v. Radiology Partners Inc. et al.

Dismissal Deadline

Blue Cross Blue Shield of Texas v. HaloMD LLC et al.

Defendants’ Response Brief Due

City of Columbus et al. v. Kennedy et al. (Columbus II)

Plaintiffs’ Motion for Summary Judgment Due

PatientRightsAdvocate.org, Inc. v. American Medical Association

Rule 26(f) Report Due

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

Joint Status Report Due

Highmark Inc. v. Bromedicon LLC et al.

Oral Argument

Burbage v. U.S. Anesthesia Partners Inc. et al.

Expert Discovery Deadline

Estuary Transit District et al. v. Hartford HealthCare Corporation et al.

Motion to Certify Class Due

St. Luke’s Health System LTD v. Labrador

Plaintiff’s Expert Disclosure Due

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

Plaintiff’s Expert Reports Due

State of Minnesota et al. v. Oz et al.

Joint Notice Due

Roiz et al. v. California Physicians’ Service et al.

Case Management Conference

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

Joint Status Report Due

In the News

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

Sign Up Now