Tracking the most important health care lawsuits in U.S. courts today
September 1, 2026 | Eleventh Circuit rejects constitutional challenge to federal whistleblower lawsuits
This important alert links to ”How the Litigation Tracker Works
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Search for a lawsuit or issue More than 350 cases over 17 issues
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Explore related documentation Extensive library of key filing documents
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Learn the current status of the case Realtime case updates
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Read our analysis Read our take on the most pressing cases
Issues We’re Tracking
- 340B Program 21 cases
- Equity 53 cases 1 Topics
- Federal Health Funding 57 cases 5 Topics
- Health Care Affordability 62 cases 8 Topics
- Medicare Advantage 38 cases 5 Topics
- Prescription Drug Pricing 42 cases 5 Topics
- Private Health Insurance 113 cases 13 Topics
- Reproductive Health 53 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
2:25-cv-05023
UFCW Local 1500 Welfare Fund v. The New York and Presbyterian Hospital
- Filed:
- September 8, 2025
- Status
- Briefing is ongoing
- Court
- New York Eastern
- Goal
- Award damages +5 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Eleventh Circuit
- Goal
- Block defendant action +1 additional goal(s)
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
- Briefing is ongoing
- Court
- Eleventh Circuit
- Goal
- Award damages +4 additional goal(s)
2:25-cv-02862
United Healthcare Services Inc. et al. v. Radiology Partners Inc. et al.
- Filed:
- August 8, 2025
- Status
- Briefing is ongoing
- Court
- Arizona
- Goal
- Award damages
- Status
-
Decision issued
Motion for Preliminary Injunction Denied
- Court
- California Central — Western
- Goal
- Block operation of a program +1 additional goal(s)
1:26-cv-03405
State of New York et al. v. Department of Health and Human Services et al.
- Filed:
- August 27, 2026
- Status
- Briefing is ongoing
- Court
- Maryland — Northern
- Goal
- Block enforcement of an agency action +2 additional goal(s)
- Status
-
Briefing is ongoing
Motion for Stay Granted
- Court
- Maryland — Northern
- Goal
- Block enforcement of an agency action +2 additional goal(s)
- Status
-
Decision issued
Motion for Summary Judgment Granted
- Court
- Oregon
- Goal
- Block enforcement of an agency action +2 additional goal(s)
2:26-cv-00061
Elevance Health Inc. et al. v. Department of Health and Human Services et al.
- Filed:
- July 1, 2026
- Status
-
Decision issued
Motions to Dismiss and for Preliminary Injunction Denied
- Court
- Georgia Southern — Brunswick
- Goal
- Compel agency action +2 additional goal(s)
1:26-cv-01684
National Family Planning & Reproductive Health Association et al. v. Kennedy et al.
- Filed:
- June 18, 2026
- Status
-
Decision issued
Defendants’ Motion to Dismiss Granted
- Court
- Pennsylvania Middle
- Goal
- Block enforcement of agency action +2 additional goal(s)
24-13581
United States ex rel. Zafirov v. Florida Medical Associates LLC et al.
- Filed:
- October 30, 2024
- Status
- Decision issued
- Court
- Eleventh Circuit
- Goal
- Award damages
Key Dates
Joint Status Report Due
Plaintiffs’ Brief Due
Plaintiff’s Opening Brief Due
Plaintiffs’ Status Update Due
Notice of Appeal or Joint Status Report Due
Hearing on Motion to Dismiss
Defendant’s Answer Due
Plaintiff’s Reply Re: Motion for Summary Judgment Due
Plaintiff’s Reply Re: Motion for Summary Judgment Due
Joint Status Report Due
Plaintiff’s Expert Disclosure Due
Defendants’ Certification of Administrative Record Due
Hearing on Motion to Dismiss
Plaintiffs’ Response to Motion to Stay Preliminary Injunction Due
Defendant’s Brief Due
Defendants’ Response to Motion to Complete Administrative Record Due
Hearing on Motions for Summary Judgment
Joint Status Report or Joint Notice of Dismissal Due
Defendants’ Response to Motion to Strike Due
Joint Status Report Due
Joint Discovery Plan Due
Plaintiff’s Surreply to Motion to Dismiss Due
Amended Complaint Due
Discovery Deadline
Joint Report Due
Defendants’ Reply Re: Motions to Dismiss Due
Joint Status Report Due
Scheduling Conference
Joint Status Report Due
Responses to Motion for Discovery Due
Oral Argument
Defendants’ Response Brief Due
Joint Appendix and Plaintiffs’ Opening Brief Due
Hearing on Motions to Strike, Dismiss, and Stay Discovery
Oral Argument
Defendants’ Response to Amended Complaint Due
Plaintiff’s Reply Brief Due
Oral Argument
Hearing on Motions to Dismiss
Defendants’ Brief Due
Joint Status Report Due
Plaintiff’s Opening Brief Due
Plaintiffs’ Motion for Class Certification Due
Defendant’s Response Due
Joint Status Report Due
Hearing on Motion for Summary Judgment
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
Defendants’ Opening Brief Due
Plaintiff’s Response Brief Due
Plaintiffs’ Response Brief Due
Rule 26(f) Report Due
Motion to Certify Class Due
Joint Notice Due
Case Management Conference
Joint Status Report Due
In the News
• O’Neill Institute
Eleventh Circuit Upholds Whistleblower Statute Used To Fight Health Care Fraud
• O’Neill Institute
Virginia District Court Rules FDA Unlawfully Restricted Abortion Pill Access
• Health Affairs
Fifth Circuit Invalidates Two More Provisions Of No Surprises Act Rule
• Center on Health Insurance Reforms