Tracking the most important health care lawsuits in U.S. courts today
October 2, 2026 | Federal court allows unions to continue antitrust lawsuit against NewYork-Presbyterian
This important alert links to ‘UFCW Local 1500 Welfare Fund v. The New York and Presbyterian Hospital’How the Litigation Tracker Works
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Search for a lawsuit or issue Browse more than 430 cases across 9 issues
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Explore court filings Access our extensive library of curated court filings
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Subscribe for the latest Get real-time case updates
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Dive even deeper Read our expert analysis
Issues We’re Tracking
- 340B Program 21 cases
- Equity 53 cases 1 Topics
- Federal Health Funding 59 cases 5 Topics
- Health Care Affordability 64 cases 8 Topics
- Medicare Advantage 38 cases 5 Topics
- Prescription Drug Pricing 43 cases 5 Topics
- Private Health Insurance 115 cases 13 Topics
- Reproductive Health 54 cases 5 Topics
- Transparency and Quality 9 cases

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
6:25-cv-01491
State of Louisiana et al. v. Food and Drug Administration et al.
- Filed:
- October 6, 2025
- Status
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Appeal Filed
Motion for Preliminary Injunction Denied
- Court
- Louisiana Western
- Goal
- Compel agency action +2 additional goal(s)
1:25-cv-05571
Cement and Concrete Workers DC Benefit Fund v. The New York and Presbyterian Hospital
- Filed:
- October 3, 2025
- Status
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Briefing is ongoing
Motion to Dismiss Denied
- Court
- New York Eastern
- Goal
- Award damages +5 additional goal(s)
2:25-cv-05023
UFCW Local 1500 Welfare Fund v. The New York and Presbyterian Hospital
- Filed:
- September 8, 2025
- Status
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Briefing is ongoing
Motion to dismiss denied
- Court
- New York Eastern
- Goal
- Award damages +5 additional goal(s)
1:26-cv-03498
Pharmaceutical Research and Manufacturers of America v. Kennedy et al.
- Filed:
- October 7, 2026
- Status
- Briefing is ongoing
- Court
- District of Columbia
- Goal
- Block enforcement of an agency action +2 additional goal(s)
26-2355
Anthem Blue Cross Life and Health Insurance Company et al. v. HaloMD LLC et al.
- Filed:
- April 13, 2026
- Status
- Briefing is ongoing
- Court
- Ninth Circuit
- Goal
- Award damages +2 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Ohio Southern — Western
- Goal
- Award damages +3 additional goal(s)
6:22-cv-00095
PHI Health LLC et al. v. Department of Health and Human Services et al.
- Filed:
- April 29, 2022
- Status
- Case Stayed
- Court
- Kentucky Eastern
- Goal
- Block enforcement of an agency action +1 additional goal(s)
8:26-cv-00023
Anthem Blue Cross Life and Health Insurance Company et al. v. Prime Healthcare Services – St. Francis LLC et al.
- Filed:
- January 5, 2026
- Status
- Briefing is ongoing
- Court
- California Central — Southern
- Goal
- Award damages +5 additional goal(s)
- Status
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Briefing is ongoing
Motion to Dismiss Counterclaims Granted
- Court
- Texas Southern — Corpus Christi
- Goal
- Award damages
1:25-cv-10734
Pacific Inpatient Medical Group Inc. et al. v. Zelis Healthcare LLC et al.
- Filed:
- March 28, 2025
- Status
- Briefing is ongoing
- Court
- Massachusetts
- Goal
- Award damages +3 additional goal(s)
- Status
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Decision issued
Motion for Preliminary Injunction Denied
- Court
- California Central — Western
- Goal
- Block operation of a program +1 additional goal(s)
1:25-cv-11816
State of New Jersey et al. v. Office of Management and Budget et al.
- Filed:
- June 24, 2025
- Status
-
Decision issued
Motion for Summary Judgment Granted in Part
- Court
- Massachusetts
- Goal
- Block enforcement of an agency action +2 additional goal(s)
Key Dates
Oral Argument
Plaintiff’s Reply Brief Due
Defendants’ Response to Amended Complaint Due
Responses to Motion for Discovery Due
Defendants’ Brief Due
Plaintiffs’ Updated Reply Brief Due
Plaintiffs’ Expert Disclosure Due
Responses to Motions to Dismiss and for Preliminary Injunction Due
Joint Status Report Due
Plaintiff’s Opening Brief Due
Defendants’ Response to Motion for Preliminary Injunction Due
Plaintiffs’ Motion for Class Certification Due
Plaintiff’s Reply Brief Due
Discovery Deadline
Defendant’s Response Due
Defendants’ Cross-Motion for Summary Judgment Due
Hearing on Motions to Dismiss
Joint Status Report Due
Hearing on Motion for Summary Judgment
Petition for Rehearing En Banc Due
Joint Status Report Due
Hearing on Motions to Dismiss
Oral Argument
Hearing on Motion to Dismiss
Plaintiff’s Response Brief Due
Joint Status Report Due
Oral Argument
Discovery Deadline
Joint Status Report Due
Hearing on Motion to Dismiss
Defendants’ Opening Brief Due
Defendants’ Response to Complaint Due
Plaintiff’s Response Brief Due
Defendant’s Response Brief Due
Plaintiffs’ Response Brief Due
Joint Status Report Due
Dismissal Deadline
Plaintiffs’ Motion for Summary Judgment Due
Defendants’ Response Brief Due
Rule 26(f) Report Due
Joint Status Report Due
Oral Argument
Expert Discovery Deadline
Motion to Certify Class Due
Plaintiff’s Expert Disclosure Due
Plaintiff’s Expert Reports Due
Joint Notice Due
Case Management Conference
Joint Status Report Due
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