Tracking the most important health care lawsuits in U.S. courts today
March 16, 2026 | District court blocks Secretary Kennedy’s efforts to reshape vaccine policy
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 20 cases
- Affordable Care Act 69 cases 6 Topics
- Anticompetitive Practices 23 cases 1 Topics
- Artificial Intelligence 3 cases
- Consumer Protections 17 cases 1 Topics
- Cost Containment 13 cases
- Equity 49 cases 1 Topics
- ERISA 16 cases
- Federal Health Funding 42 cases 4 Topics
- Medicare Advantage 23 cases
- Medicare Drug Price Negotiation 22 cases
- No Surprises Act 40 cases 4 Topics
- Prescription Drug Affordability 21 cases 5 Topics
- Reproductive Health 46 cases 5 Topics
- Site-Neutral Payments 9 cases
- Transparency 6 cases

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
Latest Updates
6:25-cv-01491
State of Louisiana et al. v. Food and Drug Administration et al.
- Filed:
- October 6, 2025
- Status
- Briefing is ongoing
- Court
- Louisiana Western
- Goal
- Compel agency action +2 additional goal(s)
- Status
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Briefing is ongoing
Motion to Dismiss Granted in Part
- Court
- New York Southern
- Goal
- Block unlawful practices +6 additional goal(s)
2:25-cv-07187
UnitedHealthcare of Pennsylvania, Inc. v. NorthStar Anesthesia of Pennsylvania, LLC
- Filed:
- December 19, 2025
- Status
- Briefing is ongoing
- Court
- Pennsylvania Eastern
- Goal
- Award damages +2 additional goal(s)
- Status
-
Case Stayed
Pending conclusion of Louisiana legislative session on June 1, 2026
- Court
- Fifth Circuit
- Goal
- Block enforcement of a law +1 additional goal(s)
25-1611
American Public Health Association et al v. National Institutes of Health et al.
- Filed:
- June 23, 2025
- Status
- Briefing is ongoing
- Court
- First Circuit
- Goal
- Compel agency action +1 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
-
Briefing is ongoing
Motion to Dismiss Denied
- Court
- Michigan Western
- Goal
- Award damages +2 additional goal(s)
4:23-cv-04398
Electrical Medical Trust et al. v. U.S. Anesthesia Partners, Inc. et al.
- Filed:
- November 20, 2023
- Status
- Briefing is ongoing
- Court
- Texas Southern
- Goal
- Award damages +3 additional goal(s)
7:25-cv-00126
State of Florida et al. v. Food and Drug Administration et al.
- Filed:
- December 9, 2025
- Status
- Briefing is ongoing
- Court
- Texas Northern
- Goal
- Block enforcement of an agency action +2 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Second Circuit
- Goal
- Block enforcement of a law +1 additional goal(s)
- Status
-
Briefing is ongoing
Preliminary Injunction Granted in Part
- Court
- Massachusetts
- Goal
- Block enforcement of an agency action +2 additional goal(s)
25-1529
American Association of University Professors et al. v. Department of Justice et al.
- Filed:
- June 18, 2025
- Status
- Briefing is ongoing
- Court
- Second Circuit
- Goal
- Block enforcement of an agency action +2 additional goal(s)
Key Dates
Plaintiffs’ Response to Motions to Dismiss Due
Status Conference
Plaintiffs’ Response to Cross Motion for Summary Judgment Due
Plaintiffs’ Reply Brief Due
Plaintiffs’ Response to Motion for Summary Judgment Due
Hearing on Motion to Dismiss
Oral Argument
Joint Proposed Protective Order Due
Defendants’ Opening Brief Due
Defendants’ Response to Intervenor’s Complaint Due
Proposed Intervenors’ Response to Order to Show Cause Due
Replies to Dispositive Motions Due
Plaintiff’s Expert Disclosure Due
Amended Complaint Due
Motions to Amend the Pleadings or for Joinder of Additional Parties Due
Defendants’ Reply Brief Due
Hearing on Motion to Reassign Case and Motion to Enforce
Defendants’ Response Brief Due
Plaintiffs’ Response to Motion to Dismiss Due
Defendants’ Deadline for Production of Documents
Amici Trinity Legal Center’s Response to Order to Show Cause Due
Defendants’ Reply Brief Due
Defendants’ Reply Brief Re: Motion to Dismiss Due
Defendants’ Opening Brief Due
Joint Status Report Due
Defendants’ Third Brief Due
Hearing on Motion to Compel
Joint Status Report Due
Defendants’ Answer Due
Defendants’ Motion to Dismiss Due
Scheduling Conference
Status Conference
Amended Pleadings Due
Defendant’s Brief Due
Joint Status Report Due
Response to Motion for Summary Judgment Due
Discovery Deadline
Defendants’ Opening Brief Due
Defendants’ Opening Brief Due
Petition for Approval of Settlement Due
Deadline for Plaintiff to Join Additional Parties
Plaintiff’s Brief Due
Oral Argument
Status Conference
Joint Status Update Due
Case Management Conference
Response Due
Plaintiffs’ Response Brief Due
Joint Status Report Due
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