Tracking the most important health care lawsuits in U.S. courts today
July 30, 2026 | Colorado appeals district court’s PDAB injunction to Federal Circuit
This important alert links to ‘City of Columbus et al. v. Kennedy et al. (Columbus II)’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
- Affordable Care Act 76 cases 6 Topics
- Anticompetitive Practices 26 cases 3 Topics
- Artificial Intelligence 3 cases
- Consumer Protections 17 cases 3 Topics
- Cost Containment 16 cases
- Equity 51 cases 1 Topics
- ERISA 18 cases
- Federal Health Funding 52 cases 5 Topics
- Medicare Advantage 37 cases 4 Topics
- Medicare Drug Price Negotiation 22 cases
- No Surprises Act 57 cases 4 Topics
- Prescription Drug Affordability 21 cases 5 Topics
- Reproductive Health 53 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
8:24-cv-01080
State of Florida et al. v. Department of Health and Human Services et al.
- Filed:
- May 6, 2024
- Status
- Appeal Filed
- Court
- Florida Middle
- Goal
- Block enforcement of an agency action +1 additional goal(s)
1:25-cv-10338
Commonwealth of Massachusetts et al. v. National Institutes of Health et al.
- Filed:
- February 10, 2025
- Status
- Decision issued
- Court
- Massachusetts
- Goal
- Compel agency action +1 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Fifth Circuit
- Goal
- Award restitution +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
- Case Stayed
- Court
- Georgia Southern — Brunswick
- Goal
- Compel agency action +2 additional goal(s)
4:26-cv-00748
Federal Trade Commission et al. v. World Professional Association for Transgender Health Inc. et al.
- Filed:
- June 17, 2026
- Status
- Briefing is ongoing
- Court
- Texas Northern — Fort Worth
- Goal
- Award restitution +2 additional goal(s)
1:25-cv-10783
American Psychiatric Association et al. v. EmblemHealth Inc. et al.
- Filed:
- December 30, 2025
- Status
- Briefing is ongoing
- Court
- New York Southern
- Goal
- Award damages +3 additional goal(s)
- Status
- Briefing is ongoing
- Court
- Massachusetts
- Goal
- Award damages +1 additional goal(s)
3:23-cv-00019
Whole Woman’s Health Alliance et al. v. Food and Drug Administration et al.
- Filed:
- May 8, 2023
- Status
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Decision issued
Motion for Summary Judgment Granted in Part
- Court
- Virginia Western
- Goal
- Block enforcement of an agency action +2 additional goal(s)
- Status
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Decision issued
Motion to Dismiss Granted
- Court
- Illinois Northern — Eastern
- Goal
- Award damages +2 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
- Fourth Circuit
- Goal
- Block enforcement of an agency action +2 additional goal(s)
6:25-cv-01491
State of Louisiana et al. v. Food and Drug Administration et al.
- Filed:
- October 6, 2025
- Status
-
Appeal Filed
Motion for Preliminary Injunction Denied
- Court
- Louisiana Western
- Goal
- Compel agency action +2 additional goal(s)
Key Dates
Plaintiffs’ Opening Brief Due
Defendant’s Response to Motion to Compel Due
Plaintiff’s Response to Notice Due
Hearing on Motion for Stay and Preliminary Injunction
Defendant’s Brief Due
Hearing on Motion for Preliminary Injunction
Defendants’ Motion to Dismiss Due
Hearing on Motions to Strike and Dismiss
Defendants’ Reply Brief Due
Settlement Conference
Defendants’ Reply Re: Motion to Dismiss
Plaintiff’s Reply Brief Due
Discovery Related Deadline
Fact Discovery Cut Off
Hearing on Motions to Compel, Strike, and Seal
Joint Status Report Due
Defendant’s Response to Complaint Due
Defendants’ Reply Re: Motion to Dismiss Due
Defendants’ Response to Motion for Summary Judgment Due
Defendants’ Response to Motion for Summary Judgment Due
Joint Status Report Due
Defendant’s Response Brief Due
Hearing on Motion to Dismiss
Dispositive Motions Due
Defendants’ Opening Brief Due
Joint Status Report Due
Plaintiffs’ Response Brief Due
Plaintiff’s Reply Brief Due
Defendant’s Motion to Dismiss Due
Plaintiff’s Response to Motions to Dismiss Due
Hearing on Motion to Dismiss
Oral Argument
Declarations Re: Class Certification Due
Oral Arguments
Defendants’ Response Brief Due
Plaintiffs’ Reply Re: Motion for Class Certification Due
Plaintiff’s Opening Brief Due
Defendant’s Answer Due
Notice of Appeal or Joint Status Report Due
Plaintiff’s Expert Disclosure Due
Defendants’ Response to Motion to Complete Administrative Record Due
Defendants’ Response to Motion to Strike Due
Joint Discovery Plan Due
Joint Status Report Due
Defendants’ Brief Due
Joint Status Report Due
Joint Status Report Due
Joint Status Report Due
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