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
-
Search for a lawsuit or issue More than 350 cases over 17 issues
-
Explore related documentation Extensive library of key filing documents
-
Learn the current status of the case Realtime case updates
-
Read our analysis Read our take on the most pressing cases
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
2:19-cv-00559
United States et al. ex rel. Mazik v. Kaiser Foundation Health Plan Inc. et al.
- Filed:
- April 1, 2019
- Status
- Briefing is ongoing
- Court
- California Eastern
- Goal
- Award damages +1 additional goal(s)
7:25-cv-00804
Anthem Health Plans of Virginia Inc. et al. v. AGS Health Inc. et al
- Filed:
- November 5, 2025
- Status
- Briefing is ongoing
- Court
- Virginia Western
- Goal
- Award damages +4 additional goal(s)
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)
2:22-cv-00610
Uriel Pharmacy Health and Welfare Plan et al. v. Advocate Aurora Health Inc. et al.
- Filed:
- May 24, 2022
- Status
- Case Stayed
- Court
- Wisconsin Eastern
- Goal
- Award damages +3 additional goal(s)
- Status
-
Briefing is ongoing
Motion for Preliminary Injunction Granted
- Court
- Idaho
- Goal
- Block enforcement of a law +1 additional goal(s)
- Status
- Decision issued
- Court
- Ninth Circuit
- Goal
- Block enforcement of a law +1 additional goal(s)
26-346
Right to Life of Idaho, Inc. v. District Court for the District of Idaho
- Filed:
- January 16, 2026
- Status
- Briefing is ongoing
- Court
- Ninth Circuit
- Goal
- Block defendant action +1 additional goal(s)
1:26-cv-12638
American Academy of HIV Medicine et al. v. Health Resources and Services Administration et al.
- Filed:
- June 10, 2026
- Status
- Briefing is ongoing
- Court
- Massachusetts
- Goal
- Block enforcement of an agency action +2 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)
1:25-cv-00070
Rapides Parish v. Department of Health & Human Services et al.
- Filed:
- January 17, 2025
- Status
- Briefing is ongoing
- Court
- Louisiana Western
- Goal
- Block enforcement of a law +1 additional goal(s)
8:25-cv-01620
American Association of Physicians for Human Rights Inc. et al. v. National Institutes of Health et al.
- Filed:
- May 20, 2025
- Status
-
Briefing is ongoing
Motion for Preliminary Injunction Granted In Part
- Court
- Maryland — Southern
- Goal
- Block enforcement of an agency action +2 additional goal(s)
4:17-cv-05783
State of California et al. v. Department of Health and Human Services et al.
- Filed:
- October 6, 2017
- Status
- Briefing is ongoing
- Court
- California Northern
- Goal
- Block enforcement of an agency action +1 additional goal(s)
Key Dates
Plaintiffs’ Response to Motion to Dismiss Due
Intervenors’ Reply Re: Motion to Dismiss Due
Plaintiffs’ Response to Supplemental Brief Due
Amended Answer Due
Defendant Cooprider’s Response to Motion for Pre-Motion Conference Due
Oral Argument
Joint Status Report Due
Defendant’s Opening Brief Due
Status Conference
Defendants’ Motion to Dismiss Due
Oral Arguments
Defendants’ Response Brief Due
Hearing on Motions to Compel and Strike
Plaintiffs’ Brief Due
Plaintiff’s Opening Brief Due
Plaintiff Status Update Due
Defendant’s Answer Due
Hearing on Motion to Dismiss
Notice of Appeal or Joint Status Report Due
Plaintiff’s Expert Disclosure Due
Plaintiff’s Reply Re: Motion for Summary Judgment Due
Plaintiff’s Reply Re: Motion for Summary Judgment Due
Defendant’s Brief Due
Defendants’ Response to Motion to Complete Administrative Record Due
Joint Status Report or Joint Notice of Dismissal Due
Defendants’ Response to Motion to Strike Due
Joint Status Report Due
Joint Discovery Plan Due
Discovery Deadline
Joint Report Due
Joint Status Report Due
Defendants’ Reply Re: Motions to Dismiss Due
Scheduling Conference
Motions to Seal Due
Joint Status Report Due
Defendants’ Response Brief Due
Oral Argument
Plaintiffs’ Opening Brief Due
Oral Argument
Hearing on Motions to Dismiss
Hearing on Motions to Strike, Dismiss, and Stay Discovery
Plaintiff’s Reply Brief Due
Oral Argument
Defendants’ Brief Due
Joint Status Report Due
Plaintiffs’ Motion for Class Certification Due
Plaintiff’s Opening Brief Due
Defendant’s Response to Complaint Due
Hearing on Motion for Summary Judgment
Joint Status Report Due
Oral Argument
Hearing on Motion to Dismiss
Joint Status Report Due
Oral Argument
Plaintiff’s Response Brief Due
Discovery Deadline
Defendants’ Opening Brief Due
Plaintiff’s Response Brief Due
Rule 26(f) Report Due
Case Management Conference
Joint Status Report Due
In the News
• Health Affairs
Fifth Circuit Invalidates Two More Provisions Of No Surprises Act Rule
• Center on Health Insurance Reforms
Potential Settlement In Data Marketing Partnership Could Leave More Consumers Exposed to Skimpy Coverage
• Health Affairs
Court Stays Major 2027 Marketplace Changes
• Health Affairs